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Weather & Climate
Grand County, Utah, United States
Overview
Climate data and monthly weather averages for Grand County.
Key Metrics
Annual Avg
10.8°C
Summer Avg
23.9°C
Winter Avg
-1.3°C
Record High
40.3°C
Record Low
-22.5°C
Annual Precipitation
287.3 mm
Avg Humidity
47%
Summer Humidity
32%
Winter Humidity
64%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 14.4° | -1.9° | -21.2° | 20.2 | 66% | 83 | 54.8 |
| Feb | 16.4° | 0.1° | -22.5° | 19.9 | 60% | 100 | 64.5 |
| Mar | 24.9° | 5° | -13.4° | 22.9 | 51% | 160 | 57.8 |
| Apr | 29.5° | 9.2° | -7.2° | 22.8 | 45% | 195 | 60.3 |
| May | 36.7° | 15.1° | -4.9° | 23.3 | 39% | 232 | 59.9 |
| Jun | 39.3° | 22.1° | 1.9° | 12.9 | 27% | 249 | 57.3 |
| Jul | 40.3° | 26° | 8.9° | 26.7 | 32% | 233 | 44.7 |
| Aug | 37.9° | 23.7° | 8.4° | 28.8 | 37% | 207 | 42.8 |
| Sep | 36.8° | 18.6° | -0.4° | 33.3 | 38% | 172 | 56.7 |
| Oct | 30.8° | 10.4° | -13.8° | 31.3 | 46% | 135 | 57.9 |
| Nov | 22° | 3.5° | -12.4° | 19.8 | 53% | 92 | 49.4 |
| Dec | 13.9° | -2° | -19.6° | 25.4 | 65% | 72 | 59.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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