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Weather & Climate
Carbon County, Montana, United States
Overview
Available climate summaries for Carbon County. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
7.9°C
Summer Avg
20.7°C
Winter Avg
-3.7°C
Record High
40.8°C
Record Low
-29°C
Annual Precipitation
410.4 mm
Avg Humidity
58%
Summer Humidity
47%
Winter Humidity
69%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 14.9° | -3.7° | -26.8° | 18.9 | 70% | 57 | 49.3 |
| Feb | 16.2° | -3.1° | -25.9° | 21.6 | 67% | 79 | 55.7 |
| Mar | 23.7° | 2° | -29° | 26.7 | 62% | 118 | 54.4 |
| Apr | 29.1° | 6° | -10.7° | 44.1 | 59% | 141 | 51.9 |
| May | 32.9° | 11.6° | -7.5° | 71.3 | 58% | 176 | 50.6 |
| Jun | 37.8° | 17.7° | 0.3° | 53.7 | 53% | 202 | 49.6 |
| Jul | 40.8° | 23.1° | 7.4° | 27 | 45% | 220 | 39.5 |
| Aug | 38.4° | 21.4° | 4.2° | 28.2 | 43% | 185 | 50.7 |
| Sep | 37° | 15.5° | -4.8° | 37.8 | 48% | 137 | 44.1 |
| Oct | 30.5° | 7.1° | -16.2° | 39.7 | 59% | 91 | 45.8 |
| Nov | 21.8° | 0.8° | -22.1° | 21.9 | 64% | 57 | 48.8 |
| Dec | 14.8° | -4.2° | -26.9° | 19.5 | 70% | 43 | 53.4 |
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 2026-03-22.
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