Average annual temperature is 17.4 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: -7.5 °C
Number of sunny days: 284 days
Number of rainy days: 78 days
Number of snow days: 3 days
Look at detailed online map of Black Diamond
* Weather data for Black Diamond 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) | 19.4 | 22.0 | 23.0 | 31.3 | 31.0 | 38.0 | 38.6 | 39.1 | 36.0 | 30.5 | 26.9 | 20.6 |
| Average daytime temperature (°C) | 12.4 | 14.3 | 17.5 | 24.7 | 27.6 | 32.1 | 36.4 | 33.3 | 31.8 | 26.1 | 19.2 | 14.8 |
| Average temperature (°C) | 6.0 | 6.8 | 10.1 | 17.0 | 20.6 | 25.0 | 29.5 | 26.6 | 25.1 | 19.7 | 12.9 | 8.8 |
| Average night temperature (°C) | 1.4 | 1.7 | 4.3 | 9.7 | 13.6 | 17.9 | 22.9 | 20.6 | 19.1 | 13.9 | 7.4 | 3.8 |
| Absolute minimum temperature (°C) | -6.0 | -6.9 | -7.5 | -0.6 | 8.3 | 11.0 | 18.7 | 17.6 | 16.2 | 2.9 | 1.7 | -0.5 |
| 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 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| 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 | 10.0 |
| Sunshine mean duration (h) | 8.3 | 8.6 | 10.3 | 12.0 | 12.5 | 12.7 | 12.5 | 11.6 | 10.9 | 10.2 | 9.4 | 8.4 |
| Precipitation (mm) | 34 | 31 | 28 | 0 | 12 | 0 | 5 | 24 | 21 | 4 | 2 | 29 |
| Sunny days | 23 | 15 | 25 | 30 | 27 | 28 | 20 | 15 | 23 | 26 | 27 | 25 |
| Rainy days | 6 | 12 | 6 | 0 | 4 | 2 | 11 | 16 | 7 | 5 | 3 | 6 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Black Diamond is at