Phoenix weather in March: Phoenix, Arizona: normal highs, lows, rain and records for March
Phoenix in March has a normal high of 78°F and a normal low of 55°F, a daily mean of 66°F, rising from 74°F on the 1st to 82°F by the 31st. Measurable precipitation falls on 3 days in a normal March, 0.83 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 13°C, 21 mm of precipitation in March.
- NOAA stationPhoenix Sky Harbor International Airport
- Station IDUSW00023183
- Location33.43°N 112.00°W
- Elevation1,107 ft (337 m)
- From the center11 miles
- Population1,673,164
- Jan 68° 46°
- Feb 71° 49°
- Mar 78° 55°
- Apr 86° 61°
- May 95° 70°
- Jun 104° 79°
- Jul 107° 85°
- Aug 105° 84°
- Sep 100° 78°
- Oct 89° 66°
- Nov 77° 54°
- Dec 66° 45°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Phoenix in March?
The normal high is 78°F and the normal low 55°F, for a daily mean of 66.3°F. March is 6.4°F warmer than February and 6.9°F cooler than April. March is the 8th warmest month of the year in Phoenix and the 5th wettest. Across the month the normal high rises 8°F, from 74°F on March 1 to 82°F on March 31. From one year to the next March's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 63°F and 69°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 14%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 74°F | 52°F | 14% | 7% |
| March 8 | 76°F | 53°F | 12% | 7% |
| March 15 | 78°F | 54°F | 11% | 6% |
| March 22 | 80°F | 56°F | 9% | 5% |
| March 31 | 82°F | 57°F | 8% | 4% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 74°F | 52°F | 14% | 7% | 11 h 30 min |
| March 2 | 74°F | 52°F | 14% | 7% | 11 h 30 min |
| March 3 | 74°F | 52°F | 13% | 7% | 11 h 30 min |
| March 4 | 75°F | 52°F | 13% | 7% | 11 h 30 min |
| March 5 | 75°F | 52°F | 13% | 7% | 11 h 30 min |
| March 6 | 75°F | 53°F | 13% | 7% | 11 h 40 min |
| March 7 | 75°F | 53°F | 13% | 7% | 11 h 40 min |
| March 8 | 76°F | 53°F | 12% | 7% | 11 h 40 min |
| March 9 | 76°F | 53°F | 12% | 7% | 11 h 40 min |
| March 10 | 76°F | 53°F | 12% | 7% | 11 h 40 min |
| March 11 | 77°F | 54°F | 12% | 7% | 11 h 50 min |
| March 12 | 77°F | 54°F | 11% | 7% | 11 h 50 min |
| March 13 | 77°F | 54°F | 11% | 6% | 11 h 50 min |
| March 14 | 78°F | 54°F | 11% | 6% | 11 h 50 min |
| March 15 | 78°F | 54°F | 11% | 6% | 12 h |
| March 16 | 78°F | 55°F | 11% | 6% | 12 h |
| March 17 | 79°F | 55°F | 10% | 6% | 12 h |
| March 18 | 79°F | 55°F | 10% | 6% | 12 h |
| March 19 | 79°F | 55°F | 10% | 6% | 12 h |
| March 20 | 79°F | 55°F | 10% | 6% | 12 h 10 min |
| March 21 | 80°F | 56°F | 10% | 5% | 12 h 10 min |
| March 22 | 80°F | 56°F | 9% | 5% | 12 h 10 min |
| March 23 | 80°F | 56°F | 9% | 5% | 12 h 10 min |
| March 24 | 81°F | 56°F | 9% | 5% | 12 h 10 min |
| March 25 | 81°F | 56°F | 9% | 5% | 12 h 20 min |
| March 26 | 81°F | 56°F | 9% | 5% | 12 h 20 min |
| March 27 | 81°F | 57°F | 8% | 5% | 12 h 20 min |
| March 28 | 82°F | 57°F | 8% | 5% | 12 h 20 min |
| March 29 | 82°F | 57°F | 8% | 4% | 12 h 20 min |
| March 30 | 82°F | 57°F | 8% | 4% | 12 h 30 min |
| March 31 | 82°F | 57°F | 8% | 4% | 12 h 30 min |
- Normal high
- 78°FMarch average
- Normal low
- 55°FMarch average
- Precipitation
- 0.83 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 11 h 30 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 26
- Days at 80°F or more
- 15
- Sunshine
- 90%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023183; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Phoenix in March?
On a given March day the chance of 0.01 inch or more is 11% on average, highest around March 1 (14%). In all, 0.83 in falls on 3 days of a normal March.
In a normal March in Phoenix, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023183.
How humid and windy is Phoenix in March?
At 3 p.m. the normal temperature is 79°F with 16% relative humidity and a dew point of 28°F; at 6 a.m. it is 58°F with 41% humidity. The wind averages 6.9 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 58°F | 35°F | 41% | 5.9 mph | 60% |
| 9 a.m. | 65°F | 34°F | 31% | 7.4 mph | 57% |
| noon | 74°F | 31°F | 20% | 6.5 mph | 56% |
| 3 p.m. | 79°F | 28°F | 16% | 8.5 mph | 46% |
| 6 p.m. | 78°F | 28°F | 16% | 9.7 mph | 45% |
| 9 p.m. | 72°F | 31°F | 22% | 6.0 mph | 57% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023183. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for March in Phoenix?
The warmest March temperature on Phoenix's official record (since 1895) is 105°F, on March 21, 2026; the coldest is 25°F, on March 4, 1966. The wettest March brought 4.82 in (1941).
The March mean against the 1991-2020 normal of 66.3°F: 2021 64.1°F (−2.2), 2022 66.9°F (+0.6), 2023 61.8°F (−4.5), 2024 65.1°F (−1.2), 2025 67.8°F (+1.5), 2026 78.8°F (+12.5). 3 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.1°F | −2.2°F | 0.37 in |
| 2022 | 66.9°F | +0.6°F | 0.15 in |
| 2023 | 61.8°F | −4.5°F | 1.47 in |
| 2024 | 65.1°F | −1.2°F | 1.34 in |
| 2025 | 67.8°F | +1.5°F | 0.84 in |
| 2026 | 78.8°F | +12.5°F | 0.06 in |
Source: records: ACIS, NWS threaded record PHXthr; recent months: ACIS, station USW00023183. Records and recent months use complete months only.
How does March in Phoenix compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, March normal highs run from 50°F in Greer to 82°F in Tacna; Phoenix's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.