San Tan Valley, AZ weather in April
San Tan Valley is warm and dry in April: highs average 86°F and nights drop to about 51°F. There are about 1 day with rain.
- Normal high
- 86°F
- Normal low
- 51°F
- Wet days
- 1
- 0.3 in total
- Muggy days
- 0
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 83°F | 90°F |
| Normal low | 48°F | 55°F |
| Chance of a wet day | 7% | 4% |
| Sunrise / sunset | 6:13 am / 6:46 pm | 5:39 am / 7:07 pm |
| Daylight | 12.5 h | 13.5 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 am62°Fdew point 34°F
- 9 am70°Fdew point 33°F
- Noon79°Fdew point 30°F
- 3 pm84°Fdew point 27°F
- 6 pm83°Fdew point 27°F
- 9 pm76°Fdew point 29°F
NOAA hourly normals (local standard time) from Phoenix Sky Harbor Intl Airport (32 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F7 of 30
- Hot dayshigh 90°F or more12 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow1 of 30
- Notable rainat least 0.10 in1 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain in April
Normal precipitation is 0.3 in; a dry April brings about 0.0 in and a wet one about 0.3 in (25th and 75th percentiles). Days with half an inch or more are rare.
How April varies from year to year
- Warmest April, 1991-20201996: average high 92°F
- Coolest April1998: average high 81°F
- Wettest April2001: 1.5 in
- Driest April1991: no measurable precipitation
- Highest reading106°F (April 28, 2000)
- Lowest reading32°F (April 10, 1999)
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 | 78°F | 86°F | 95°F |
| Normal low | 45°F | 51°F | 59°F |
| Wet days | 3 | 1 | 1 |
| Comfortable days | 15 | 7 | 1 |
| Daylight | 12.0 h | 13.0 h | 13.9 h |
Highs change by +8°F from March and +9°F into May.
Nearby alternatives in April
- Cooler: Sedona, AZ117 mi · high 75°F · 3 wet days
How San Tan Valley ranks in April
- Normal high6th warmest of 378 cities; 1st of 13 in Arizona
- Wet days7th driest of 378
- Comfortable days266th most of 340
What to pack for San Tan Valley in April
- Light, breathable clothing – highs near 86°F
- Layers – afternoons near 86°F but nights near 51°F
Heating and cooling
April has 41 heating degree days and 149 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is San Tan Valley in April?
The normal high is 86°F and the normal low is 51°F. From 1991 to 2020 the hottest April reading was 106°F (most recently on April 28, 2000).
Does it rain a lot in San Tan Valley in April?
About 1 days in April have at least 0.01 in of precipitation, and the normal total is 0.3 in. The wettest April in 1991-2020 was in 2001 (1.5 in); the driest was in 1991, with no measurable precipitation.
Is April a good time to visit San Tan Valley?
April ranks 6th of 12 months on our comfort score for San Tan Valley (55 out of 100). It has about 7 comfortable days and about 12 days at 90°F or hotter. The best months are January, February and December.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Casa Grande Nm (USC00021314), 14 mi S of the city center, 1,419 ft (103 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Chandler Heights (USC00021514), 9.0 mi W of the city center, 1,425 ft (97 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Phoenix Sky Harbor Intl Airport (USW00023183), 32 mi WNW of the city center, 1,107 ft (415 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Phoenix Sky Harbor Intl Airport (722780-23183), 32 mi WNW of the city center, 1,113 ft (409 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).