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Weather & Climate
Sun Valley, Arizona, United States
Overview
Climate data and monthly weather averages for Sun Valley.
Key Metrics
Annual Avg
11.4°C
Summer Avg
21.5°C
Winter Avg
1.6°C
Record High
39.1°C
Record Low
-25.5°C
Annual Precipitation
441.1 mm
Avg Humidity
49%
Summer Humidity
43%
Winter Humidity
61%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 20.2° | 1.3° | -25.5° | 49.9 | 61% | 101 | 34.3 |
| Feb | 20.9° | 2.4° | -18° | 48.7 | 60% | 117 | 36.3 |
| Mar | 25.9° | 6.1° | -11.6° | 30.7 | 52% | 176 | 35.5 |
| Apr | 29.7° | 9.6° | -9.3° | 14.7 | 43% | 213 | 35.1 |
| May | 34.7° | 14.6° | -3.5° | 13 | 37% | 249 | 33.2 |
| Jun | 39.1° | 20.8° | 2.4° | 6.3 | 27% | 256 | 31.7 |
| Jul | 38.7° | 22.4° | 8.9° | 66.6 | 49% | 215 | 21.6 |
| Aug | 37.6° | 21.4° | 8.7° | 62.6 | 53% | 202 | 25.1 |
| Sep | 35.8° | 18.2° | 0.3° | 36.3 | 48% | 178 | 30.2 |
| Oct | 30.7° | 12.1° | -7.1° | 25.1 | 47% | 151 | 30.6 |
| Nov | 25.4° | 6.1° | -10.8° | 33.3 | 51% | 110 | 32.3 |
| Dec | 21.1° | 1.1° | -22.4° | 53.9 | 61% | 90 | 34.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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