Average annual temperature is 13.2 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 159 days
Number of rainy days: 198 days
Number of snow days: 8 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) | 21.2 | 22.7 | 23.1 | 29.3 | 28.2 | 31.5 | 32.3 | 30.9 | 30.9 | 27.7 | 22.7 | 18.8 |
| Average daytime temperature (°C) | 10.2 | 13.1 | 13.2 | 20.0 | 22.0 | 26.0 | 29.0 | 27.4 | 24.4 | 19.5 | 13.4 | 10.7 |
| Average temperature (°C) | 5.0 | 6.7 | 6.8 | 13.1 | 15.9 | 19.8 | 23.3 | 22.0 | 19.0 | 14.1 | 7.2 | 5.5 |
| Average night temperature (°C) | 1.5 | 1.9 | 1.8 | 7.3 | 10.5 | 14.4 | 18.8 | 17.7 | 14.7 | 9.9 | 2.6 | 1.8 |
| Absolute minimum temperature (°C) | -7.2 | -9.6 | -8.2 | 0.8 | 2.9 | 9.4 | 14.7 | 11.8 | 9.8 | 1.6 | -6.9 | -4.8 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.2 | 6.6 | 7.2 | 8.9 | 9.6 | 11.1 | 11.7 | 10.6 | 9.2 | 7.3 | 7.2 | 4.9 |
| Precipitation (mm) | 94 | 82 | 89 | 62 | 101 | 54 | 122 | 123 | 77 | 62 | 54 | 89 |
| Sunny days | 8 | 13 | 14 | 19 | 16 | 12 | 8 | 8 | 14 | 16 | 19 | 12 |
| Rainy days | 21 | 13 | 16 | 11 | 15 | 18 | 23 | 23 | 16 | 15 | 10 | 17 |
| Snow days | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Blackburn during the most sunny months:
The largest precipitation sum in Blackburn is at