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Weather & Climate
Williamson, Arizona, United States
Overview
Climate data and monthly weather averages for Williamson.
Key Metrics
Annual Avg
14.7°C
Summer Avg
25.2°C
Winter Avg
4.7°C
Record High
42.7°C
Record Low
-16.4°C
Annual Precipitation
359.9 mm
Avg Humidity
43%
Summer Humidity
35%
Winter Humidity
54%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 22° | 4.4° | -16.4° | 39.7 | 55% | 102 | 55.9 |
| Feb | 23.9° | 5.6° | -15.2° | 40.9 | 53% | 119 | 43.7 |
| Mar | 28.8° | 9.3° | -8.1° | 26.7 | 47% | 177 | 50.1 |
| Apr | 32.6° | 12.8° | -5.5° | 12.3 | 39% | 214 | 46.4 |
| May | 37° | 18° | 0.4° | 8.1 | 32% | 250 | 42.7 |
| Jun | 42.7° | 24.3° | 6° | 3.9 | 22% | 257 | 40.1 |
| Jul | 41.5° | 26.3° | 12.2° | 53.9 | 39% | 222 | 35.2 |
| Aug | 40.8° | 25.1° | 9.9° | 53.6 | 44% | 206 | 34.2 |
| Sep | 39.2° | 21.8° | 4.3° | 30.6 | 41% | 181 | 40.3 |
| Oct | 34.3° | 15.3° | -4.1° | 24.8 | 41% | 152 | 44.9 |
| Nov | 28.2° | 9.2° | -6.5° | 27 | 45% | 111 | 40 |
| Dec | 22.7° | 4° | -14° | 38.4 | 54% | 91 | 48.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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