Average annual temperature is 9.4 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -21.5 °C
Number of sunny days: 186 days
Number of rainy days: 148 days
Number of snow days: 31 days
Look at detailed online map of Blackwell
* Weather data for Blackwell 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) | 7.9 | 7.5 | 13.2 | 26.6 | 29.4 | 30.1 | 34.1 | 37.2 | 30.1 | 26.0 | 11.1 | 6.8 |
| Average daytime temperature (°C) | 1.8 | 4.0 | 7.1 | 12.7 | 23.0 | 24.9 | 30.4 | 29.3 | 23.2 | 16.1 | 6.5 | 3.8 |
| Average temperature (°C) | -2.2 | -1.6 | 0.8 | 6.4 | 15.5 | 18.4 | 22.8 | 22.1 | 16.1 | 10.0 | 2.8 | 0.6 |
| Average night temperature (°C) | -5.8 | -5.5 | -4.0 | 1.2 | 8.9 | 12.4 | 15.4 | 15.6 | 10.9 | 5.3 | -0.1 | -2.0 |
| Absolute minimum temperature (°C) | -21.5 | -16.6 | -12.4 | -3.1 | 4.4 | 6.3 | 11.4 | 10.9 | 4.9 | -2.9 | -6.1 | -6.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 4.1 | 4.7 | 7.5 | 9.3 | 12.1 | 13.2 | 14.2 | 11.1 | 8.9 | 7.8 | 4.4 | 3.3 |
| Precipitation (mm) | 38 | 40 | 42 | 64 | 28 | 28 | 3 | 30 | 28 | 19 | 93 | 94 |
| Sunny days | 10 | 11 | 11 | 9 | 15 | 18 | 29 | 18 | 17 | 19 | 15 | 14 |
| Rainy days | 14 | 9 | 8 | 20 | 16 | 12 | 2 | 13 | 13 | 11 | 15 | 15 |
| Snow days | 7 | 8 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 |
The best time to visit Blackwell during the most sunny months:
Months with the longest average daylight duration in Blackwell:
The largest precipitation sum in Blackwell is at