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Weather & Climate
San Tan Valley, Arizona, United States
Overview
Climate data and monthly weather averages for San Tan Valley.
Key Metrics
Annual Avg
21°C
Summer Avg
31.2°C
Winter Avg
10.8°C
Record High
46.7°C
Record Low
-7°C
Annual Precipitation
277.9 mm
Avg Humidity
35%
Summer Humidity
31%
Winter Humidity
46%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 28.6° | 10.4° | -6.6° | 31.9 | 47% | 105 | 54.4 |
| Feb | 29.6° | 11.8° | -7° | 28 | 45% | 121 | 46.6 |
| Mar | 36.1° | 15.7° | -1.7° | 18.6 | 38% | 181 | 45.5 |
| Apr | 38.3° | 19.5° | 2.2° | 8.7 | 29% | 218 | 50.5 |
| May | 43.7° | 24.8° | 6.5° | 5.6 | 22% | 253 | 46 |
| Jun | 46.7° | 30.8° | 13.8° | 4.2 | 17% | 255 | 43.7 |
| Jul | 46° | 31.9° | 19.2° | 48.4 | 35% | 229 | 44.6 |
| Aug | 44.7° | 31° | 19° | 43.7 | 40% | 212 | 45.5 |
| Sep | 44.1° | 28.3° | 12.1° | 25.2 | 36% | 183 | 39.8 |
| Oct | 39.9° | 22.2° | 2.5° | 14.9 | 33% | 155 | 50.9 |
| Nov | 34.8° | 15.8° | -3.9° | 16.8 | 36% | 113 | 45.4 |
| Dec | 27.7° | 10.1° | -4.6° | 31.9 | 46% | 94 | 54.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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