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Weather & Climate
Guernsey, Wyoming, United States
Overview
Climate data and monthly weather averages for Guernsey.
Key Metrics
Annual Avg
9.1°C
Summer Avg
21.9°C
Winter Avg
-2.3°C
Record High
39.7°C
Record Low
-26.9°C
Annual Precipitation
376.2 mm
Avg Humidity
53%
Summer Humidity
44%
Winter Humidity
62%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 18.6° | -2.2° | -22.8° | 10.5 | 62% | 66 | 70.1 |
| Feb | 18.4° | -2° | -26.9° | 15.7 | 61% | 82 | 68.8 |
| Mar | 25.8° | 3.2° | -18.4° | 27.6 | 55% | 130 | 72.5 |
| Apr | 29.3° | 7.2° | -11.2° | 47.7 | 54% | 157 | 62.6 |
| May | 35.2° | 12.6° | -8° | 71 | 53% | 191 | 63.6 |
| Jun | 39.4° | 19.5° | 0.7° | 46.8 | 46% | 215 | 54.5 |
| Jul | 39.7° | 24.1° | 6.4° | 38.8 | 43% | 221 | 50.1 |
| Aug | 37.9° | 22.2° | 4.7° | 31.6 | 44% | 194 | 51.5 |
| Sep | 37.2° | 16.7° | -3.8° | 29.1 | 46% | 150 | 50.4 |
| Oct | 29.9° | 8.2° | -15.8° | 29.4 | 54% | 106 | 68.3 |
| Nov | 23.5° | 2.4° | -18.9° | 14.7 | 56% | 71 | 66.7 |
| Dec | 17.2° | -2.6° | -22.3° | 13.3 | 63% | 56 | 62.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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