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Weather & Climate
Afton, Wyoming, United States
Overview
Climate data and monthly weather averages for Afton.
Key Metrics
Annual Avg
1.6°C
Summer Avg
14.7°C
Winter Avg
-10.7°C
Record High
33.9°C
Record Low
-33.9°C
Annual Precipitation
601.4 mm
Avg Humidity
72%
Summer Humidity
52%
Winter Humidity
94%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 2.8° | -11.1° | -31.4° | 62 | 95% | 69 | 33.1 |
| Feb | 3.6° | -10.2° | -33.9° | 60.2 | 95% | 88 | 43.1 |
| Mar | 14° | -5.5° | -28° | 56.7 | 89% | 139 | 36.1 |
| Apr | 21.1° | -0.3° | -19.9° | 58.8 | 76% | 168 | 35.8 |
| May | 27° | 5.6° | -12° | 63.2 | 67% | 197 | 31.7 |
| Jun | 30.7° | 11.4° | -7° | 41.4 | 59% | 225 | 28.2 |
| Jul | 33.9° | 17° | -1.1° | 21.4 | 49% | 231 | 24.5 |
| Aug | 31.6° | 15.6° | -0.9° | 27.6 | 47% | 200 | 26.1 |
| Sep | 28.9° | 10.2° | -6.9° | 41.1 | 52% | 154 | 30.6 |
| Oct | 23.4° | 2.3° | -19.6° | 48.7 | 65% | 109 | 35.2 |
| Nov | 14.8° | -4.8° | -30.4° | 54 | 80% | 69 | 33.3 |
| Dec | 4.2° | -10.9° | -32.7° | 66.3 | 93% | 55 | 34.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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