Average annual temperature is 10.8 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: -19.7 °C
Number of sunny days: 226 days
Number of rainy days: 114 days
Number of snow days: 25 days
Look at detailed online map of Blackburn
* Weather data for Blackburn 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) | 9.6 | 6.5 | 12.5 | 25.3 | 27.5 | 31.1 | 38.6 | 36.4 | 34.1 | 25.2 | 20.2 | 13.1 |
| Average daytime temperature (°C) | 1.8 | 1.5 | 5.9 | 13.2 | 22.8 | 25.3 | 34.9 | 31.1 | 27.0 | 18.2 | 10.0 | 4.9 |
| Average temperature (°C) | -1.3 | -2.8 | 1.2 | 6.9 | 16.1 | 19.1 | 27.4 | 24.3 | 19.4 | 11.8 | 5.2 | 0.9 |
| Average night temperature (°C) | -4.3 | -7.4 | -3.0 | 1.3 | 9.2 | 12.4 | 19.5 | 17.6 | 13.0 | 6.6 | 1.3 | -2.9 |
| Absolute minimum temperature (°C) | -19.7 | -14.2 | -8.1 | -12.0 | 2.3 | 8.4 | 13.5 | 14.6 | 7.2 | -4.0 | -6.2 | -8.8 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.6 | 7.4 | 7.2 | 9.8 | 12.1 | 12.2 | 13.2 | 11.9 | 10.8 | 8.9 | 7.3 | 7.0 |
| Precipitation (mm) | 131 | 50 | 143 | 64 | 15 | 13 | 2 | 41 | 34 | 49 | 59 | 30 |
| Sunny days | 8 | 14 | 7 | 17 | 17 | 16 | 28 | 26 | 24 | 24 | 24 | 21 |
| Rainy days | 14 | 9 | 18 | 11 | 14 | 14 | 3 | 5 | 6 | 7 | 6 | 7 |
| Snow days | 9 | 5 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Blackburn during the most sunny months:
The largest precipitation sum in Blackburn is at