Flagstaff, AZ weather in April
Flagstaff is cool and mostly dry in April, with some snow: highs average 59°F and nights drop to about 28°F. Expect about 5 wet days. Snowfall averages about 5.0 in. A good month for most outdoor plans.
- Normal high
- 59°F
- Normal low
- 28°F
- Wet days
- 5
- 0.9 in total
- Snowfall
- 5.0 in
- snow on the ground 2 days
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 56°F | 63°F |
| Normal low | 26°F | 31°F |
| Chance of a wet day | 19% | 15% |
| Sunrise / sunset | 6:13 am / 6:47 pm | 5:36 am / 7:11 pm |
| Daylight | 12.6 h | 13.6 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Arizona time (no daylight saving)).
A typical April day
- 6 am29°Fdew point 20°F
- 9 am50°Fdew point 22°F
- Noon57°Fdew point 21°F
- 3 pm59°Fdew point 19°F
- 6 pm56°Fdew point 19°F
- 9 pm41°Fdew point 21°F
NOAA hourly normals (local standard time) from Grand Canyon NP Airport (59 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)9 of 30
- Hot dayshigh 90°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow5 of 30
- Notable rainat least 0.10 in2 of 30
- Freezing nightslow 32°F or below24 of 30
- Snow on the groundsnow depth 1 in or more2 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 0.9 in; a dry April brings about 0.3 in and a wet one about 1.3 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 5.0 in, with about 1 day of an inch or more.
How April varies from year to year
- Warmest April, 1991-20201992: average high 67°F
- Coolest April1998: average high 50°F
- Wettest April1999: 2.8 in
- Driest April1991: no measurable precipitation
- Highest reading80°F (April 28, 1992)
- Lowest reading7°F (April 10, 2011)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 52°F | 59°F | 68°F |
| Normal low | 24°F | 28°F | 35°F |
| Wet days | 7 | 5 | 5 |
| Comfortable days | 2 | 9 | 20 |
| Daylight | 12.0 h | 13.1 h | 14.0 h |
Highs change by +7°F from March and +9°F into May.
Nearby alternatives in April
- Warmer: Sedona, AZ24 mi · high 75°F · 3 wet days
- Drier: Peoria, AZ117 mi · high 84°F · 2 wet days
- Cooler: Bryce Canyon City, UT173 mi · high 54°F · 6 wet days
How Flagstaff ranks in April
- Normal high283rd warmest of 378 cities; 13th of 13 in Arizona
- Wet days72nd driest of 378
What to pack for Flagstaff in April
- A warm jacket – lows near 28°F, highs near 59°F
- Layers – afternoons near 59°F but nights near 28°F
- Waterproof boots – about 5.0 in of snow in a typical year
- A hat and gloves – about 24 freezing nights
Heating and cooling
April has 639 heating degree days and 0 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How cold is Flagstaff in April?
The normal high is 59°F and the normal low is 28°F. From 1991 to 2020 the coldest April reading was 7°F (April 10, 2011).
Does it rain a lot in Flagstaff in April?
About 5 days in April have at least 0.01 in of precipitation, and the normal total is 0.9 in. The wettest April in 1991-2020 was in 1999 (2.8 in); the driest was in 1991, with no measurable precipitation.
Does it snow in Flagstaff in April?
Yes. Normal snowfall in April is 5.0 in, and snow covers the ground on about 2 days.
Is April a good time to visit Flagstaff?
April ranks 7th of 12 months on our comfort score for Flagstaff (65 out of 100). It has about 9 comfortable days (judged by temperature only). The best months are May and September.
Where the numbers come from
- Temperature, rain, snowfall and frost dates: Flagstaff Pulliam Airport (USW00003103), 3.8 mi SSW of the city center, 7,003 ft (103 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Sunset Crater Nm (USC00028329), 13 mi NNE of the city center, 6,980 ft (80 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Grand Canyon NP Airport (USW00003195), 59 mi NNW of the city center, 6,606 ft (294 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).