Average annual temperature is 12.2 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -18.3 °C
Number of sunny days: 196 days
Number of rainy days: 148 days
Number of snow days: 21 days
Look at detailed online map of Richland
* Weather data for Richland 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) | 14.7 | 13.0 | 23.0 | 27.3 | 31.4 | 33.3 | 34.8 | 35.9 | 33.9 | 31.2 | 19.4 | 15.1 |
| Average daytime temperature (°C) | 3.1 | 6.2 | 8.9 | 18.0 | 25.2 | 29.5 | 29.0 | 28.4 | 26.9 | 18.7 | 11.3 | 7.3 |
| Average temperature (°C) | -1.3 | 0.2 | 3.3 | 11.0 | 18.7 | 23.4 | 23.7 | 23.5 | 20.9 | 13.9 | 5.9 | 3.2 |
| Average night temperature (°C) | -4.2 | -4.5 | -0.8 | 5.3 | 12.3 | 17.6 | 18.7 | 19.1 | 15.9 | 9.7 | 1.4 | 0.3 |
| Absolute minimum temperature (°C) | -15.3 | -18.3 | -12.3 | -2.6 | 3.6 | 9.5 | 13.4 | 12.1 | 11.2 | -3.2 | -11.0 | -7.0 |
| 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 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 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) | 4.8 | 7.3 | 7.1 | 9.8 | 12.0 | 12.5 | 12.4 | 11.0 | 10.1 | 7.5 | 7.3 | 4.6 |
| Precipitation (mm) | 49 | 100 | 86 | 36 | 65 | 30 | 112 | 66 | 64 | 68 | 15 | 77 |
| Sunny days | 14 | 15 | 13 | 16 | 19 | 19 | 14 | 16 | 16 | 16 | 24 | 14 |
| Rainy days | 8 | 9 | 15 | 13 | 12 | 11 | 17 | 15 | 14 | 15 | 5 | 14 |
| Snow days | 9 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Richland during the most sunny months:
The largest precipitation sum in Richland is at