Long-form guides to living in the Phoenix desert: the heat season, the monsoon, desert yards and gardens, home and pool care. Each piece opens with a short answer and closes with its sources.https://lowdesertalmanac.site/en-USLow Desert Almanachello@lowdesertalmanac.site (Low Desert Almanac)hello@lowdesertalmanac.site (Low Desert Almanac)Astrohttps://lowdesertalmanac.site/blog/a-cooling-system-maintenance-calendar/https://lowdesertalmanac.site/blog/a-cooling-system-maintenance-calendar/What a Phoenix cooling system needs across the year, ordered by what the equipment is actually doing in each month, a checklist drawn from the heat record.Mon, 09 Nov 2026 00:00:00 GMT2026-10-13T00:00:00.000Z11Home, Pool & Energyhttps://lowdesertalmanac.site/blog/choosing-plants-for-a-phoenix-yard/https://lowdesertalmanac.site/blog/choosing-plants-for-a-phoenix-yard/How to choose plants for a Phoenix yard from the four things the climate asks of them, with a comparison of the plant categories the local lists are built from.Sun, 08 Nov 2026 00:00:00 GMT2026-10-13T00:00:00.000Z9Yard & Gardenhttps://lowdesertalmanac.site/blog/citrus-in-the-low-desert/https://lowdesertalmanac.site/blog/citrus-in-the-low-desert/A Valley citrus tree keeps a calendar of its own: heavy water through the heat, feeding in spring and autumn, and the December nights that decide whether the crop survives.Sat, 07 Nov 2026 00:00:00 GMT2026-10-11T00:00:00.000Z11Yard & Gardenhttps://lowdesertalmanac.site/blog/desert-lawns-water-and-what-they-ask-for/https://lowdesertalmanac.site/blog/desert-lawns-water-and-what-they-ask-for/A lawn is the largest watering decision a Phoenix yard makes. What the rainfall normals look like, and what the alternatives to grass actually ask for.Thu, 05 Nov 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Yard & Gardenhttps://lowdesertalmanac.site/blog/drinking-water-in-desert-heat/https://lowdesertalmanac.site/blog/drinking-water-in-desert-heat/NWS Phoenix publishes 2 litres a day indoors and 1 to 2 litres an hour outdoors. What the health agencies say about water, salt and timing, and where they leave a gap.Wed, 04 Nov 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Heat & Healthhttps://lowdesertalmanac.site/blog/driving-into-floodwater-and-what-the-law-says/https://lowdesertalmanac.site/blog/driving-into-floodwater-and-what-the-law-says/What three agencies publish about water and a vehicle, and what A.R.S. § 28-910 (the Stupid Motorist Law) actually says, and what it does not.Mon, 02 Nov 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Monsoonhttps://lowdesertalmanac.site/blog/evaporative-coolers-in-dry-heat/https://lowdesertalmanac.site/blog/evaporative-coolers-in-dry-heat/A swamp cooler's limit is set by moisture in the air, not by temperature, which is why June in Phoenix cools better than March, and August is the worst month of the year.Sat, 31 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Home, Pool & Energyhttps://lowdesertalmanac.site/blog/frost-dates-and-what-to-protect/https://lowdesertalmanac.site/blog/frost-dates-and-what-to-protect/The Valley freezes less often than almost any big city in the country, and it does freeze. What the normals say, what the station record says, and what that means for a yard.Fri, 30 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Yard & Gardenhttps://lowdesertalmanac.site/blog/ground-too-hot-for-dog-paws/https://lowdesertalmanac.site/blog/ground-too-hot-for-dog-paws/Pavement in Phoenix has been measured at 155 °F while the air was 105 °F, and concrete in shade came in below the air. What the agencies publish, and what they do not.Thu, 29 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Heat & Healthhttps://lowdesertalmanac.site/blog/heat-exhaustion-vs-heat-stroke/https://lowdesertalmanac.site/blog/heat-exhaustion-vs-heat-stroke/The two conditions arrive on the same Phoenix afternoon and are not the same emergency. What the CDC’s symptom list actually says, and why sweating is a poor test.Tue, 27 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z8Heat & Healthhttps://lowdesertalmanac.site/blog/heat-safety-for-outdoor-work/https://lowdesertalmanac.site/blog/heat-safety-for-outdoor-work/What the normal Phoenix day does hour by hour, and how the official guidance shapes a work schedule around it, in a month whose coolest hour is 86 °F.Mon, 26 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Heat & Healthhttps://lowdesertalmanac.site/blog/hiking-heat-rules-on-phoenix-trails/https://lowdesertalmanac.site/blog/hiking-heat-rules-on-phoenix-trails/On an Extreme Heat Warning day, Phoenix closes named trail segments at Camelback, Piestewa Peak and South Mountain from 8 a.m. to 5 p.m. See what is restricted and what is not.Sat, 24 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Heat & Healthhttps://lowdesertalmanac.site/blog/how-fast-a-parked-car-gets-hot/https://lowdesertalmanac.site/blog/how-fast-a-parked-car-gets-hot/The measured rate a closed car heats, minute by minute, and what a normal Phoenix July afternoon does to it. Nearly all of the rise is done in the first half hour.Fri, 23 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z8Heat & Healthhttps://lowdesertalmanac.site/blog/how-hot-phoenix-gets-by-month/https://lowdesertalmanac.site/blog/how-hot-phoenix-gets-by-month/The Phoenix year in normal temperatures, from a January afternoon at 68 °F to a July high of 106.5 °F, with the months that are genuinely lost to heat.Thu, 22 Oct 2026 00:00:00 GMT2026-10-10T00:00:00.000Z9Heat & Healthhttps://lowdesertalmanac.site/blog/how-often-to-water-desert-plants/https://lowdesertalmanac.site/blog/how-often-to-water-desert-plants/Why there is no single watering interval for a Phoenix yard, how the schedule changes with the season, and how to tell overwatering from underwatering.Tue, 20 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z8Yard & Gardenhttps://lowdesertalmanac.site/blog/how-to-read-a-flash-flood-warning/https://lowdesertalmanac.site/blog/how-to-read-a-flash-flood-warning/A flood advisory, a flood watch, a flash flood warning and a flash flood emergency are four different products. What the National Weather Service means by each.Sun, 18 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Monsoonhttps://lowdesertalmanac.site/blog/humidity-and-what-the-heat-index-means/https://lowdesertalmanac.site/blog/humidity-and-what-the-heat-index-means/The heat index is the number people check before going outside. In Phoenix it sits at or below the air temperature every hour of the normal year, and that changes what it is for.Sat, 17 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Heat & Healthhttps://lowdesertalmanac.site/blog/hydrozoning-a-desert-yard/https://lowdesertalmanac.site/blog/hydrozoning-a-desert-yard/How to divide a Phoenix yard into water zones so no plant is drowned keeping its neighbour alive, and how little rain the yard actually gets to work with.Thu, 15 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z8Yard & Gardenhttps://lowdesertalmanac.site/blog/keeping-a-house-cool-at-115-degrees/https://lowdesertalmanac.site/blog/keeping-a-house-cool-at-115-degrees/115 °F is not a normal day here: it is a rare afternoon with a long record behind it. What the Phoenix normals and the station record say a house is actually up against.Wed, 14 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Home, Pool & Energyhttps://lowdesertalmanac.site/blog/keeping-a-rain-log-worth-keeping/https://lowdesertalmanac.site/blog/keeping-a-rain-log-worth-keeping/A rain gauge is the only weather record you own. What to record, how often to read it, and how to set your own totals against the Phoenix rainfall normals.Tue, 13 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Monsoonhttps://lowdesertalmanac.site/blog/lightning-safety-in-arizona/https://lowdesertalmanac.site/blog/lightning-safety-in-arizona/The National Weather Service rules for Arizona monsoon lightning, what actually counts as shelter, and the beliefs about cars, rain and trees that get people struck.Sun, 11 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Monsoonhttps://lowdesertalmanac.site/blog/microbursts-and-the-wind-that-comes-first/https://lowdesertalmanac.site/blog/microbursts-and-the-wind-that-comes-first/A monsoon storm announces itself with wind, not rain. What a downburst is, the gusts the Phoenix forecast office puts on it, and why the dust always arrives first.Sat, 10 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Monsoonhttps://lowdesertalmanac.site/blog/monsoon-and-your-roof/https://lowdesertalmanac.site/blog/monsoon-and-your-roof/Rain rarely takes a Phoenix roof. Wind, dust and ponding water do. What to check before the season, on the day the wind arrives, and afterwards.Thu, 08 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z11Monsoonhttps://lowdesertalmanac.site/blog/monsoon-rainfall-normals-by-month/https://lowdesertalmanac.site/blog/monsoon-rainfall-normals-by-month/Phoenix's rainfall in the 1991–2020 normals, month by month, from a June normal of 0.02 inches to August's 0.93, and why the median sits below the average.Tue, 06 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Monsoonhttps://lowdesertalmanac.site/blog/native-trees-worth-planting-for-shade/https://lowdesertalmanac.site/blog/native-trees-worth-planting-for-shade/Seven desert trees compared on the numbers that matter (mature size, water use, growth rate and how cold they take) plus how far a tree's shade actually reaches at noon in July.Mon, 05 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Yard & Gardenhttps://lowdesertalmanac.site/blog/on-peak-hours-and-what-to-move/https://lowdesertalmanac.site/blog/on-peak-hours-and-what-to-move/The hours a Valley utility prices highest sit in the late afternoon and evening, which is the same stretch the cooling load peaks in, and which household loads can move.Sun, 04 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Home, Pool & Energyhttps://lowdesertalmanac.site/blog/planning-an-outdoor-event-in-a-phoenix-summer/https://lowdesertalmanac.site/blog/planning-an-outdoor-event-in-a-phoenix-summer/How often a Phoenix date has actually reached 100 °F, month by month, and how to turn those odds into a date, a start time and a fallback that holds up.Fri, 02 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z8Heat & Healthhttps://lowdesertalmanac.site/blog/planting-vegetables-through-a-desert-year/https://lowdesertalmanac.site/blog/planting-vegetables-through-a-desert-year/Vegetable gardening in the low desert runs on two workable windows either side of a summer that stops the harvest. What the normals say about each one.Thu, 01 Oct 2026 00:00:00 GMT2026-10-11T00:00:00.000Z11Yard & Gardenhttps://lowdesertalmanac.site/blog/plants-that-are-safe-around-pets/https://lowdesertalmanac.site/blog/plants-that-are-safe-around-pets/Which of the plants a desert yard is built from are listed as toxic to dogs and cats, which are listed as non-toxic, and how to check any plant before it goes in the ground.Tue, 29 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z11Yard & Gardenhttps://lowdesertalmanac.site/blog/pool-care-through-a-phoenix-year/https://lowdesertalmanac.site/blog/pool-care-through-a-phoenix-year/A Phoenix pool is a winter object and a summer problem. The year the air temperature draws, from the switch-on months to the nights that stop cooling the water.Mon, 28 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z11Home, Pool & Energyhttps://lowdesertalmanac.site/blog/pool-safety-around-children/https://lowdesertalmanac.site/blog/pool-safety-around-children/No single measure prevents a child drowning, which is why the CDC and the Consumer Product Safety Commission publish a set of them. Here is what each layer actually says.Sat, 26 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Home, Pool & Energyhttps://lowdesertalmanac.site/blog/preparing-a-house-for-monsoon/https://lowdesertalmanac.site/blog/preparing-a-house-for-monsoon/The house work a Phoenix monsoon asks for, ordered by when it has to happen, what needs dry weather in May, and what can wait until a storm is in the forecast.Thu, 24 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Monsoonhttps://lowdesertalmanac.site/blog/reading-a-valley-forecast/https://lowdesertalmanac.site/blog/reading-a-valley-forecast/What the Phoenix office issues, from HeatRisk levels to dust and flood warnings, why no single temperature triggers a heat warning, and how to read the numbers a local reads.Wed, 23 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z12Living Herehttps://lowdesertalmanac.site/blog/reading-the-sun-across-a-yard/https://lowdesertalmanac.site/blog/reading-the-sun-across-a-yard/The noon sun at Phoenix swings from 33 degrees above the horizon in December to 80 in June, and solar noon is never at twelve o'clock. How to read the light your own yard gets.Tue, 22 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Yard & Gardenhttps://lowdesertalmanac.site/blog/the-hundred-degree-day-count/https://lowdesertalmanac.site/blog/the-hundred-degree-day-count/A normal Phoenix year has 111.3 days at or above 100 °F. Where they fall, how the count accumulates month by month, and what the number does and does not measure.Sun, 20 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Heat & Healthhttps://lowdesertalmanac.site/blog/the-low-desert-year/https://lowdesertalmanac.site/blog/the-low-desert-year/The Phoenix year in twelve parts, with a five-month hot season, a 108-day monsoon window, two growing seasons and a cool winter, and the normal figures behind each of them.Sat, 19 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z11Living Herehttps://lowdesertalmanac.site/blog/the-two-growing-seasons-of-the-low-desert/https://lowdesertalmanac.site/blog/the-two-growing-seasons-of-the-low-desert/Why the Phoenix year has two vegetable seasons rather than one, when each window opens and closes, and what the frost record says about the gap between them.Thu, 17 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Yard & Gardenhttps://lowdesertalmanac.site/blog/understanding-a-summer-electric-bill/https://lowdesertalmanac.site/blog/understanding-a-summer-electric-bill/A summer bill is two numbers multiplied together (the kilowatt-hours the house used and what each one cost) and the Phoenix climate loads the first of them heavily.Tue, 15 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Home, Pool & Energyhttps://lowdesertalmanac.site/blog/what-a-haboob-is-and-what-to-do/https://lowdesertalmanac.site/blog/what-a-haboob-is-and-what-to-do/A haboob is the wall of dust a collapsing thunderstorm pushes out ahead of itself. What the Arizona agencies tell you to do in a car, at home and on foot, in their words.Mon, 14 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Monsoonhttps://lowdesertalmanac.site/blog/what-arizona-water-law-means-for-a-yard/https://lowdesertalmanac.site/blog/what-arizona-water-law-means-for-a-yard/Arizona's groundwater code, the Phoenix AMA and the 100-year assured supply rule explained plainly, plus the one fact that decides a yard, that your provider sets the rules.Sat, 12 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Living Herehttps://lowdesertalmanac.site/blog/what-the-climate-asks-of-a-new-resident/https://lowdesertalmanac.site/blog/what-the-climate-asks-of-a-new-resident/A checklist for arriving in the Valley: the five-month heat, a monsoon season with fixed dates, the cooling maintenance, the outdoor water and the one cold night that matters.Fri, 11 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z8Living Herehttps://lowdesertalmanac.site/blog/when-monsoon-season-really-starts/https://lowdesertalmanac.site/blog/when-monsoon-season-really-starts/The monsoon window opens on 15 June by the calendar and about four weeks later by the dew point. The 108-day season, its three phases, and why the two dates differ.Thu, 10 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Monsoonhttps://lowdesertalmanac.site/blog/who-a-phoenix-summer-hits-hardest/https://lowdesertalmanac.site/blog/who-a-phoenix-summer-hits-hardest/A Phoenix summer runs 111 days above 100 °F, but the deaths it causes do not track the temperature. County records show where the heat actually lands, and who the agencies name.Tue, 08 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z10Heat & Healthhttps://lowdesertalmanac.site/blog/why-phoenix-nights-stay-hot/https://lowdesertalmanac.site/blog/why-phoenix-nights-stay-hot/A normal July night at Sky Harbor bottoms out at 85.6 °F and spends 17 of 24 hours above 90. The daily swing is the same as January’s; only the level moves, and it moves 38 °F.Mon, 07 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Heat & Healthhttps://lowdesertalmanac.site/blog/why-pool-water-gets-too-warm/https://lowdesertalmanac.site/blog/why-pool-water-gets-too-warm/In a normal July the Phoenix night never drops below the mid-eighties, so a Valley pool has almost no hour in which to shed the heat it gains by afternoon.Sat, 05 Sep 2026 00:00:00 GMT2026-10-11T00:00:00.000Z9Home, Pool & Energy