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Weather & Climate
Bismarck, North Dakota, United States
Overview
Climate data and monthly weather averages for Bismarck.
Key Metrics
Annual Avg
6.4°C
Summer Avg
21.1°C
Winter Avg
-8.8°C
Record High
43.4°C
Record Low
-39.4°C
Annual Precipitation
500.4 mm
Avg Humidity
68%
Summer Humidity
58%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 10.7° | -9.9° | -39.4° | 14 | 87% | 56 | 63.5 |
| Feb | 15.8° | -8.8° | -35.4° | 13.2 | 81% | 81 | 76.1 |
| Mar | 25.6° | -0.9° | -27.7° | 24.5 | 71% | 118 | 71 |
| Apr | 31.8° | 6° | -17.3° | 38.1 | 62% | 149 | 56.9 |
| May | 33.8° | 12.8° | -4.7° | 76.9 | 61% | 180 | 56.7 |
| Jun | 43.4° | 18.9° | 3.5° | 92.7 | 62% | 196 | 57.9 |
| Jul | 41.9° | 23° | 7.4° | 63.9 | 56% | 209 | 60.8 |
| Aug | 40.1° | 21.4° | 6.1° | 57.4 | 56% | 174 | 62.9 |
| Sep | 38.6° | 15.7° | -1.2° | 49.2 | 59% | 129 | 58.6 |
| Oct | 32.6° | 6.5° | -13.8° | 37.2 | 67% | 85 | 66.7 |
| Nov | 20.8° | -0.8° | -22° | 13.5 | 74% | 53 | 71.4 |
| Dec | 10.9° | -7.7° | -32.4° | 19.8 | 85% | 40 | 60.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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