Weather & Climate
Hysham, Montana, United States
Overview
Available climate summaries for Hysham. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
8.9°C
Summer Avg
22.2°C
Winter Avg
-3.2°C
Record High
44.5°C
Record Low
-32.8°C
Annual Precipitation
405.5 mm
Avg Humidity
59%
Summer Humidity
47%
Winter Humidity
72%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16.5° | -3.5° | -30.3° | 13.6 | 74% | 50 | 66.6 |
| Feb | 18.9° | -3° | -27.1° | 15.4 | 70% | 73 | 67.3 |
| Mar | 27.3° | 2.6° | -32.8° | 22.3 | 63% | 112 | 61.4 |
| Apr | 32.2° | 7.6° | -12.4° | 43.8 | 58% | 147 | 63.8 |
| May | 36° | 13.3° | -4.3° | 77.8 | 56% | 185 | 70.5 |
| Jun | 40.4° | 19° | 2.4° | 62.4 | 54% | 206 | 55.5 |
| Jul | 44.5° | 24.7° | 8.2° | 33.5 | 44% | 224 | 62.4 |
| Aug | 40.5° | 22.9° | 5.3° | 36 | 43% | 186 | 70.9 |
| Sep | 37.8° | 16.7° | -1.7° | 34.5 | 49% | 132 | 52.6 |
| Oct | 33.9° | 8.2° | -16.1° | 36.3 | 60% | 89 | 59.8 |
| Nov | 23.9° | 1.9° | -24.4° | 14.7 | 66% | 55 | 62.4 |
| Dec | 15.1° | -3.2° | -27.2° | 15.2 | 73% | 39 | 62.4 |
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.