Flagstaff weather in April: Flagstaff, Arizona: normal highs, lows, rain and records for April
Flagstaff in April has a normal high of 59°F and a normal low of 28°F, a daily mean of 44°F, rising from 56°F on the 1st to 63°F by the 30th. Measurable precipitation falls on 5 days in a normal April, 0.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 15°C and low of −2°C, 23 mm of precipitation and 13 cm of snow in April.
- 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 April?
The normal high is 59°F and the normal low 28°F, for a daily mean of 43.7°F. April is 5.7°F warmer than March and 7.6°F cooler than May. April is the 7th warmest month of the year in Flagstaff and the 10th wettest. Across the month the normal high rises 7°F, from 56°F on April 1 to 63°F on April 30. From one year to the next April's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 41°F and 46°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 19%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 56°F | 26°F | 19% | 11% |
| April 8 | 58°F | 27°F | 18% | 9% |
| April 15 | 59°F | 28°F | 16% | 8% |
| April 22 | 61°F | 29°F | 15% | 7% |
| April 30 | 63°F | 31°F | 15% | 6% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 56°F | 26°F | 19% | 11% | 12 h 30 min |
| April 2 | 57°F | 26°F | 19% | 11% | 12 h 30 min |
| April 3 | 57°F | 26°F | 19% | 11% | 12 h 40 min |
| April 4 | 57°F | 26°F | 19% | 10% | 12 h 40 min |
| April 5 | 57°F | 26°F | 19% | 10% | 12 h 40 min |
| April 6 | 57°F | 27°F | 18% | 10% | 12 h 40 min |
| April 7 | 58°F | 27°F | 18% | 10% | 12 h 50 min |
| April 8 | 58°F | 27°F | 18% | 9% | 12 h 50 min |
| April 9 | 58°F | 27°F | 18% | 9% | 12 h 50 min |
| April 10 | 58°F | 27°F | 18% | 9% | 12 h 50 min |
| April 11 | 58°F | 27°F | 17% | 9% | 12 h 50 min |
| April 12 | 58°F | 27°F | 17% | 8% | 13 h |
| April 13 | 59°F | 28°F | 17% | 8% | 13 h |
| April 14 | 59°F | 28°F | 17% | 8% | 13 h |
| April 15 | 59°F | 28°F | 16% | 8% | 13 h |
| April 16 | 59°F | 28°F | 16% | 8% | 13 h |
| April 17 | 59°F | 28°F | 16% | 7% | 13 h 10 min |
| April 18 | 60°F | 29°F | 16% | 7% | 13 h 10 min |
| April 19 | 60°F | 29°F | 16% | 7% | 13 h 10 min |
| April 20 | 60°F | 29°F | 15% | 7% | 13 h 10 min |
| April 21 | 60°F | 29°F | 15% | 7% | 13 h 10 min |
| April 22 | 61°F | 29°F | 15% | 7% | 13 h 20 min |
| April 23 | 61°F | 30°F | 15% | 7% | 13 h 20 min |
| April 24 | 61°F | 30°F | 15% | 7% | 13 h 20 min |
| April 25 | 61°F | 30°F | 15% | 7% | 13 h 20 min |
| April 26 | 61°F | 30°F | 15% | 7% | 13 h 20 min |
| April 27 | 62°F | 31°F | 15% | 6% | 13 h 30 min |
| April 28 | 62°F | 31°F | 15% | 6% | 13 h 30 min |
| April 29 | 62°F | 31°F | 15% | 6% | 13 h 30 min |
| April 30 | 63°F | 31°F | 15% | 6% | 13 h 30 min |
- Normal high
- 59°FApril average
- Normal low
- 28°FApril average
- Precipitation
- 0.89 inmonth total
- Days with precipitation
- 50.01 inch or more
- Snowfall
- 5.0 inmonth total
- Nights at 32°F or colder
- 24
- Daylight
- 12 h 30 min to 13 h 30 minApril 1 to April 30
- Days at 70°F or more
- 4
- Sunshine
- 88%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 April?
On a given April day the chance of 0.01 inch or more is 17% on average, highest around April 1 (19%). In all, 0.89 in falls on 5 days of a normal April.
In a normal April in Flagstaff, 24 nights fall to freezing and snowfall averages 5.0 inches.
Snow falls on 2 days in a normal April, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003103.
What are the records for April in Flagstaff?
The warmest April temperature on Flagstaff's official record (since 1898) is 80°F, on April 7, 1989; the coldest is −2°F, on April 2, 1975. The wettest April brought 5.62 in (1965); the snowiest, 58.3 inches (1965).
The April mean against the 1991-2020 normal of 43.7°F: 2021 46.2°F (+2.5), 2022 45.2°F (+1.5), 2023 44.1°F (+0.4), 2024 44.3°F (+0.5), 2025 43.5°F (−0.2), 2026 45.3°F (+1.6). 5 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 46.2°F | +2.5°F | 0.71 in |
| 2022 | 45.2°F | +1.5°F | 0.02 in |
| 2023 | 44.1°F | +0.4°F | 0.03 in |
| 2024 | 44.3°F | +0.5°F | 0.90 in |
| 2025 | 43.5°F | −0.2°F | 1.34 in |
| 2026 | 45.3°F | +1.6°F | 1.02 in |
Source: records: ACIS, NWS threaded record FLGthr; recent months: ACIS, station USW00003103. Records and recent months use complete months only.
How does April in Flagstaff compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, April normal highs run from 57°F in Greer to 90°F in Gila Bend; Flagstaff's is 59°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.