Average annual temperature is 12.8 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: -10.4 °C
Number of sunny days: 293 days
Number of rainy days: 58 days
Number of snow days: 14 days
Look at detailed online map of Ralston
* Weather data for Ralston 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) | 9.6 | 12.8 | 13.0 | 28.8 | 30.5 | 32.6 | 40.2 | 34.8 | 32.1 | 26.5 | 20.9 | 14.4 |
| Average daytime temperature (°C) | 5.2 | 7.3 | 6.8 | 19.6 | 24.5 | 27.3 | 36.0 | 30.6 | 26.0 | 20.9 | 13.0 | 10.5 |
| Average temperature (°C) | 0.7 | 1.0 | 1.4 | 11.8 | 18.3 | 21.0 | 29.4 | 24.4 | 19.6 | 13.8 | 6.8 | 4.5 |
| Average night temperature (°C) | -2.7 | -3.4 | -2.7 | 4.7 | 11.3 | 14.2 | 21.9 | 18.2 | 13.5 | 7.4 | 1.3 | -0.4 |
| Absolute minimum temperature (°C) | -9.7 | -10.4 | -9.5 | -5.6 | 2.9 | 10.4 | 17.7 | 13.6 | 7.5 | -3.8 | -6.6 | -5.9 |
| 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 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 6.9 | 8.8 | 9.1 | 11.9 | 12.8 | 13.0 | 13.4 | 11.6 | 11.1 | 10.1 | 9.0 | 8.1 |
| Precipitation (mm) | 54 | 48 | 47 | 0 | 2 | 6 | 0 | 78 | 29 | 19 | 1 | 0 |
| Sunny days | 15 | 19 | 17 | 29 | 24 | 25 | 30 | 23 | 25 | 28 | 27 | 31 |
| Rainy days | 12 | 3 | 11 | 0 | 7 | 5 | 1 | 8 | 5 | 3 | 3 | 0 |
| Snow days | 4 | 6 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ralston during the most sunny months:
The largest precipitation sum in Ralston is at