Average annual temperature is 19.7 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: -1.5 °C
Number of sunny days: 207 days
Number of rainy days: 158 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) | 23.7 | 26.8 | 27.9 | 29.6 | 33.0 | 38.1 | 38.6 | 41.3 | 37.1 | 32.7 | 28.0 | 23.4 |
| Average daytime temperature (°C) | 16.2 | 18.5 | 21.9 | 23.3 | 28.9 | 34.0 | 34.9 | 37.8 | 32.5 | 25.9 | 18.8 | 16.4 |
| Average temperature (°C) | 11.2 | 12.4 | 15.5 | 17.0 | 22.7 | 27.2 | 28.9 | 30.9 | 26.1 | 19.9 | 13.3 | 10.6 |
| Average night temperature (°C) | 7.6 | 8.3 | 10.8 | 12.4 | 17.6 | 21.8 | 24.3 | 25.6 | 21.2 | 15.5 | 9.2 | 6.1 |
| Absolute minimum temperature (°C) | -0.9 | -1.3 | -1.5 | 7.8 | 10.1 | 19.0 | 20.1 | 20.3 | 17.5 | 3.8 | -0.3 | -0.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.3 | 6.9 | 8.3 | 8.0 | 10.2 | 11.8 | 11.7 | 11.9 | 10.6 | 8.0 | 7.1 | 7.5 |
| Precipitation (mm) | 176 | 157 | 116 | 263 | 139 | 61 | 59 | 33 | 39 | 63 | 58 | 85 |
| Sunny days | 13 | 12 | 13 | 11 | 14 | 15 | 19 | 24 | 19 | 20 | 23 | 24 |
| Rainy days | 18 | 16 | 18 | 19 | 17 | 15 | 12 | 7 | 11 | 11 | 7 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Blackburn during the most sunny months:
The largest precipitation sum in Blackburn is at