Climate normals · 1970–2000
San Tan Valley Climate
San Tan Valley is a city in United States (AZ) with a population of about 81,321. Its average annual temperature is 21.1°C (70°F), with roughly 274 mm of rain per year.
21.1°C
Avg Temp
274
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
San Tan Valley Climate
San Tan Valley has an average annual temperature of 21.1°C (70°F) and receives about 274 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
21.1°C
Avg Temp
274
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 11° / 51° | 25 mm |
| February | 13° / 56° | 26 mm |
| March | 15° / 60° | 34 mm |
| April | 19° / 67° | 10 mm |
| May | 24° / 75° | 5 mm |
| June | 29° / 84° | 2 mm |
| July | 32° / 90° | 29 mm |
| August | 31° / 88° | 39 mm |
| September | 29° / 84° | 24 mm |
| October | 23° / 73° | 24 mm |
| November | 16° / 60° | 23 mm |
| December | 11° / 52° | 33 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit San Tan Valley
The most comfortable months to visit San Tan Valley are typically April, October and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 41°C high). The coldest is January (near 3°C low). August is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit San Tan Valley are typically April, October and May, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
San Tan Valley, United States has an average annual temperature of 21.1°C and about 274 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in San Tan Valley average about 41°C (105°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.