Average annual temperature is 17.3 °C
Absolute maximum temperature: 41.6 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 253 days
Number of rainy days: 109 days
Number of snow days: 3 days
Look at detailed online map of Roundup
* Weather data for Roundup 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) | 22.6 | 26.3 | 28.8 | 31.4 | 34.2 | 41.6 | 40.5 | 40.2 | 38.8 | 30.8 | 29.3 | 23.5 |
| Average daytime temperature (°C) | 13.8 | 16.0 | 20.9 | 25.1 | 28.1 | 32.8 | 35.8 | 36.6 | 31.8 | 24.0 | 18.0 | 14.5 |
| Average temperature (°C) | 6.6 | 7.2 | 12.0 | 16.2 | 20.8 | 25.1 | 29.1 | 29.9 | 25.1 | 16.9 | 10.6 | 7.2 |
| Average night temperature (°C) | 1.1 | 1.2 | 5.2 | 9.2 | 14.4 | 18.4 | 22.7 | 23.3 | 18.9 | 11.2 | 5.1 | 2.0 |
| Absolute minimum temperature (°C) | -8.7 | -7.6 | -1.9 | 2.7 | 9.4 | 12.2 | 18.4 | 17.9 | 14.3 | -2.2 | -3.7 | -4.2 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 8.1 | 10.4 | 10.7 | 11.2 | 12.0 | 12.7 | 12.0 | 10.6 | 9.1 | 7.8 | 7.9 |
| Precipitation (mm) | 10 | 9 | 1 | 4 | 91 | 59 | 10 | 13 | 32 | 49 | 5 | 50 |
| Sunny days | 24 | 21 | 26 | 22 | 10 | 14 | 21 | 26 | 20 | 20 | 24 | 25 |
| Rainy days | 4 | 7 | 5 | 8 | 21 | 16 | 10 | 5 | 10 | 11 | 6 | 6 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Roundup during the most sunny months:
The largest precipitation sum in Roundup is at