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Weather & Climate
Summit, Arizona, United States
Overview
Climate data and monthly weather averages for Summit.
Key Metrics
Annual Avg
19.8°C
Summer Avg
29.1°C
Winter Avg
10.3°C
Record High
44.8°C
Record Low
-8.1°C
Annual Precipitation
322.9 mm
Avg Humidity
38%
Summer Humidity
36%
Winter Humidity
45%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 27.4° | 10° | -6.5° | 24.5 | 46% | 110 | 61.2 |
| Feb | 30.2° | 11.2° | -8.1° | 20.7 | 44% | 126 | 50.4 |
| Mar | 34.2° | 14.9° | -3.4° | 14 | 37% | 185 | 51 |
| Apr | 37.7° | 18.5° | 1.4° | 7.8 | 28% | 221 | 55.5 |
| May | 42.1° | 23.4° | 5° | 4 | 22% | 254 | 50.8 |
| Jun | 44.8° | 29.3° | 12.7° | 8.4 | 19% | 250 | 45.1 |
| Jul | 43.8° | 29.4° | 16.7° | 83.1 | 42% | 214 | 40.7 |
| Aug | 42.2° | 28.6° | 17.8° | 64.5 | 47% | 202 | 34.3 |
| Sep | 41.5° | 26.4° | 11.7° | 40.2 | 43% | 177 | 43.3 |
| Oct | 38.5° | 20.9° | 1.1° | 14.6 | 37% | 158 | 51.7 |
| Nov | 33.6° | 15° | -5.2° | 14.4 | 39% | 118 | 51.9 |
| Dec | 28° | 9.7° | -5.5° | 26.7 | 46% | 101 | 57.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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