Average annual temperature is 12.7 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 194 days
Number of rainy days: 160 days
Number of snow days: 11 days
Look at detailed online map of Bismarck
* Weather data for Bismarck United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.3 | 17.7 | 20.1 | 27.4 | 31.5 | 33.1 | 35.6 | 35.6 | 31.7 | 29.3 | 24.1 | 15.4 |
| Average daytime temperature (°C) | 5.6 | 9.1 | 10.1 | 18.5 | 24.5 | 28.6 | 29.3 | 27.8 | 25.5 | 19.0 | 12.0 | 8.2 |
| Average temperature (°C) | 1.7 | 3.0 | 4.6 | 11.3 | 18.1 | 22.3 | 23.8 | 22.7 | 20.1 | 13.8 | 6.4 | 4.1 |
| Average night temperature (°C) | -1.1 | -1.2 | 0.1 | 5.4 | 11.9 | 16.3 | 18.8 | 18.3 | 15.5 | 9.7 | 2.1 | 1.3 |
| Absolute minimum temperature (°C) | -12.1 | -13.3 | -9.7 | -2.1 | 2.7 | 10.0 | 14.5 | 11.8 | 10.4 | -2.9 | -9.3 | -7.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.7 | 7.3 | 6.5 | 9.2 | 11.1 | 12.1 | 12.3 | 10.7 | 9.9 | 7.0 | 7.4 | 4.7 |
| Precipitation (mm) | 74 | 93 | 116 | 70 | 33 | 50 | 84 | 154 | 41 | 121 | 23 | 73 |
| Sunny days | 11 | 18 | 13 | 17 | 18 | 22 | 11 | 14 | 16 | 17 | 21 | 16 |
| Rainy days | 12 | 8 | 17 | 13 | 13 | 8 | 20 | 17 | 14 | 14 | 9 | 15 |
| Snow days | 8 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bismarck during the most sunny months:
The largest precipitation sum in Bismarck is at