Flagstaff weather in March: Flagstaff, Arizona: normal highs, lows, rain and records for March
Flagstaff in March has a normal high of 52°F and a normal low of 24°F, a daily mean of 38°F, rising from 48°F on the 1st to 56°F by the 31st. Measurable precipitation falls on 7 days in a normal March, 1.88 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 11°C and low of −5°C, 48 mm of precipitation and 40 cm of snow in March.
- NOAA stationFlagstaff Airport
- Station IDUSW00003103
- Location35.14°N 111.67°W
- Elevation7,003 ft (2,135 m)
- Population77,539
- Jan 43° 18°
- Feb 46° 20°
- Mar 52° 24°
- Apr 59° 28°
- May 68° 35°
- Jun 79° 43°
- Jul 82° 51°
- Aug 79° 51°
- Sep 74° 43°
- Oct 64° 32°
- Nov 52° 23°
- Dec 43° 17°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Flagstaff in March?
The normal high is 52°F and the normal low 24°F, for a daily mean of 38.0°F. March is 5.4°F warmer than February and 5.7°F cooler than April. March is the 8th warmest month of the year in Flagstaff and the 6th wettest. Across the month the normal high rises 8°F, from 48°F on March 1 to 56°F on March 31. From one year to the next March's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 35°F and 41°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 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 48°F | 22°F | 26% | 16% |
| March 8 | 50°F | 23°F | 24% | 16% |
| March 15 | 52°F | 24°F | 23% | 14% |
| March 22 | 54°F | 25°F | 21% | 13% |
| March 31 | 56°F | 26°F | 20% | 11% |
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 | 48°F | 22°F | 26% | 16% | 11 h 20 min |
| March 2 | 48°F | 22°F | 26% | 16% | 11 h 30 min |
| March 3 | 49°F | 22°F | 25% | 16% | 11 h 30 min |
| March 4 | 49°F | 22°F | 25% | 16% | 11 h 30 min |
| March 5 | 49°F | 22°F | 25% | 16% | 11 h 30 min |
| March 6 | 49°F | 22°F | 25% | 16% | 11 h 30 min |
| March 7 | 50°F | 23°F | 25% | 16% | 11 h 40 min |
| March 8 | 50°F | 23°F | 24% | 16% | 11 h 40 min |
| March 9 | 50°F | 23°F | 24% | 15% | 11 h 40 min |
| March 10 | 51°F | 23°F | 24% | 15% | 11 h 40 min |
| March 11 | 51°F | 23°F | 24% | 15% | 11 h 50 min |
| March 12 | 51°F | 23°F | 23% | 15% | 11 h 50 min |
| March 13 | 51°F | 24°F | 23% | 15% | 11 h 50 min |
| March 14 | 52°F | 24°F | 23% | 15% | 11 h 50 min |
| March 15 | 52°F | 24°F | 23% | 14% | 11 h 50 min |
| March 16 | 52°F | 24°F | 23% | 14% | 12 h |
| March 17 | 53°F | 24°F | 22% | 14% | 12 h |
| March 18 | 53°F | 24°F | 22% | 14% | 12 h |
| March 19 | 53°F | 24°F | 22% | 14% | 12 h |
| March 20 | 53°F | 24°F | 22% | 14% | 12 h 10 min |
| March 21 | 54°F | 25°F | 22% | 13% | 12 h 10 min |
| March 22 | 54°F | 25°F | 21% | 13% | 12 h 10 min |
| March 23 | 54°F | 25°F | 21% | 13% | 12 h 10 min |
| March 24 | 54°F | 25°F | 21% | 13% | 12 h 10 min |
| March 25 | 55°F | 25°F | 21% | 12% | 12 h 20 min |
| March 26 | 55°F | 25°F | 21% | 12% | 12 h 20 min |
| March 27 | 55°F | 25°F | 20% | 12% | 12 h 20 min |
| March 28 | 55°F | 25°F | 20% | 12% | 12 h 20 min |
| March 29 | 56°F | 26°F | 20% | 12% | 12 h 30 min |
| March 30 | 56°F | 26°F | 20% | 11% | 12 h 30 min |
| March 31 | 56°F | 26°F | 20% | 11% | 12 h 30 min |
- Normal high
- 52°FMarch average
- Normal low
- 24°FMarch average
- Precipitation
- 1.88 inmonth total
- Days with precipitation
- 70.01 inch or more
- Snowfall
- 15.6 inmonth total
- Nights at 32°F or colder
- 29
- Daylight
- 11 h 20 min to 12 h 30 minMarch 1 to March 31
- Sunshine
- 87%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003103; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Flagstaff in March?
On a given March day the chance of 0.01 inch or more is 23% on average, highest around March 1 (26%). In all, 1.88 in falls on 7 days of a normal March.
In a normal March in Flagstaff, 29 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 15.6 inches.
Snow falls on 5 days in a normal March, and an inch or more covers the ground on 7 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003103.
What are the records for March in Flagstaff?
The warmest March temperature on Flagstaff's official record (since 1898) is 84°F, on March 19, 2026; the coldest is −16°F, on March 4, 1966. The wettest March brought 7.27 in (2023); the snowiest, 79.4 inches (1991).
The March mean against the 1991-2020 normal of 38.0°F: 2021 35.4°F (−2.6), 2022 36.5°F (−1.5), 2023 32.6°F (−5.4), 2024 37.1°F (−0.9), 2025 38.0°F (at normal), 2026 48.5°F (+10.5). 1 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 35.4°F | −2.6°F | 2.23 in |
| 2022 | 36.5°F | −1.5°F | 1.75 in |
| 2023 | 32.6°F | −5.4°F | 7.27 in |
| 2024 | 37.1°F | −0.9°F | 3.14 in |
| 2025 | 38.0°F | at normal | 2.47 in |
| 2026 | 48.5°F | +10.5°F | 0.04 in |
Source: records: ACIS, NWS threaded record FLGthr; recent months: ACIS, station USW00003103. Records and recent months use complete months only.
How does March in Flagstaff 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; Flagstaff's is 52°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.