Average annual temperature is 15.8 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -7.7 °C
Number of sunny days: 209 days
Number of rainy days: 156 days
Look at detailed online map of Blackstone
* Weather data for Blackstone 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) | 19.7 | 25.5 | 28.9 | 31.2 | 30.1 | 32.0 | 36.7 | 35.2 | 36.1 | 28.4 | 26.5 | 21.2 |
| Average daytime temperature (°C) | 12.5 | 15.1 | 16.3 | 22.9 | 23.7 | 28.3 | 32.9 | 31.1 | 27.7 | 22.3 | 15.4 | 12.9 |
| Average temperature (°C) | 7.5 | 9.4 | 10.1 | 16.1 | 17.8 | 22.0 | 26.6 | 25.1 | 21.6 | 16.1 | 9.3 | 7.2 |
| Average night temperature (°C) | 3.8 | 4.8 | 4.9 | 10.1 | 12.8 | 16.5 | 21.7 | 20.3 | 16.9 | 11.3 | 4.6 | 2.9 |
| Absolute minimum temperature (°C) | -2.6 | -7.7 | -3.2 | 1.7 | 6.9 | 12.1 | 18.3 | 16.4 | 11.5 | 5.4 | -5.6 | -3.7 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 5.8 | 7.0 | 7.9 | 9.3 | 9.9 | 10.6 | 12.0 | 10.5 | 8.7 | 8.8 | 8.1 | 6.2 |
| Precipitation (mm) | 88 | 63 | 51 | 130 | 112 | 107 | 43 | 69 | 117 | 31 | 43 | 202 |
| Sunny days | 15 | 18 | 16 | 20 | 13 | 15 | 14 | 16 | 14 | 24 | 26 | 18 |
| Rainy days | 16 | 10 | 15 | 10 | 18 | 15 | 17 | 15 | 16 | 7 | 4 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Blackstone during the most sunny months:
The largest precipitation sum in Blackstone is at