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Weather & Climate
Hamilton, Montana, United States
Overview
Available climate summaries for Hamilton. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
2.7°C
Summer Avg
14.2°C
Winter Avg
-8.2°C
Record High
35.7°C
Record Low
-38.4°C
Annual Precipitation
784.9 mm
Avg Humidity
79%
Summer Humidity
64%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 5.3° | -8.4° | -35.2° | 79 | 95% | 39 | 22.7 |
| Feb | 7.8° | -7.8° | -38.4° | 72.8 | 95% | 57 | 24.5 |
| Mar | 16.9° | -3.8° | -30.3° | 81.5 | 94% | 95 | 21.1 |
| Apr | 21.3° | 0.6° | -18.4° | 71.1 | 82% | 133 | 22.9 |
| May | 26.9° | 6.5° | -11.7° | 80 | 74% | 173 | 22.2 |
| Jun | 31.4° | 10.8° | -5.5° | 77.4 | 73% | 191 | 18.7 |
| Jul | 35.7° | 16.1° | -0.2° | 27 | 63% | 230 | 18.1 |
| Aug | 34.9° | 15.7° | -1.8° | 33.8 | 57% | 191 | 19.1 |
| Sep | 31.2° | 10.7° | -7° | 40.5 | 59% | 133 | 20.6 |
| Oct | 26.9° | 3.2° | -23.9° | 60.4 | 72% | 81 | 22.5 |
| Nov | 16.5° | -3.4° | -27.7° | 76.8 | 87% | 42 | 23.5 |
| Dec | 4.5° | -8.4° | -33.4° | 84.6 | 95% | 30 | 22.6 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-23.
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