Average annual temperature is 10.5 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -26.3 °C
Number of sunny days: 201 days
Number of rainy days: 134 days
Number of snow days: 30 days
Look at detailed online map of Richland County
* Weather data for Richland County 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) | 6.7 | 9.8 | 14.0 | 26.7 | 32.3 | 33.7 | 32.9 | 37.0 | 34.9 | 30.1 | 17.2 | 12.2 |
| Average daytime temperature (°C) | 0.8 | 3.4 | 6.8 | 15.2 | 23.5 | 28.6 | 28.4 | 28.3 | 24.8 | 16.0 | 8.5 | 5.4 |
| Average temperature (°C) | -2.9 | -2.4 | 1.2 | 8.8 | 16.4 | 22.1 | 22.7 | 22.5 | 19.4 | 11.6 | 3.7 | 1.6 |
| Average night temperature (°C) | -5.7 | -6.9 | -2.9 | 3.6 | 10.1 | 15.9 | 17.3 | 17.6 | 15.2 | 7.8 | 0.1 | -1.0 |
| Absolute minimum temperature (°C) | -26.3 | -24.2 | -16.1 | -4.3 | 1.2 | 7.8 | 12.0 | 10.8 | 8.0 | -4.4 | -12.3 | -7.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.9 | 6.5 | 7.0 | 8.1 | 11.3 | 12.6 | 12.6 | 11.3 | 9.2 | 6.7 | 6.8 | 4.2 |
| Precipitation (mm) | 56 | 52 | 114 | 86 | 25 | 20 | 65 | 71 | 112 | 81 | 14 | 33 |
| Sunny days | 16 | 15 | 12 | 16 | 23 | 20 | 12 | 19 | 11 | 14 | 25 | 18 |
| Rainy days | 6 | 7 | 10 | 14 | 8 | 10 | 19 | 12 | 19 | 15 | 5 | 9 |
| Snow days | 9 | 6 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4 |
The best time to visit Richland County during the most sunny months:
Months with the longest average daylight duration in Richland County:
The largest precipitation sum in Richland County is at