Average annual temperature is 12.8 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 173 days
Number of rainy days: 183 days
Number of snow days: 9 days
Look at detailed online map of Prospect
* Weather data for Prospect 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) | 16.5 | 22.0 | 22.3 | 26.5 | 29.7 | 32.0 | 33.3 | 32.5 | 32.6 | 28.5 | 23.1 | 15.9 |
| Average daytime temperature (°C) | 7.5 | 11.8 | 11.8 | 17.9 | 22.4 | 26.6 | 29.4 | 28.2 | 25.8 | 19.1 | 12.3 | 9.1 |
| Average temperature (°C) | 3.3 | 5.1 | 5.4 | 11.7 | 16.1 | 20.6 | 23.7 | 22.5 | 19.8 | 13.7 | 6.5 | 4.3 |
| Average night temperature (°C) | 0.1 | 0.5 | 0.8 | 6.2 | 10.6 | 14.9 | 19.1 | 17.5 | 14.5 | 9.4 | 2.3 | 0.9 |
| Absolute minimum temperature (°C) | -7.1 | -9.1 | -8.0 | -1.3 | 3.6 | 10.7 | 15.2 | 12.2 | 9.5 | -0.3 | -7.1 | -5.4 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.1 | 7.6 | 7.8 | 9.5 | 10.0 | 11.4 | 11.7 | 11.0 | 10.2 | 7.4 | 7.4 | 5.4 |
| Precipitation (mm) | 162 | 47 | 110 | 81 | 72 | 67 | 85 | 105 | 42 | 58 | 43 | 66 |
| Sunny days | 5 | 17 | 14 | 15 | 18 | 13 | 9 | 15 | 16 | 16 | 22 | 13 |
| Rainy days | 22 | 11 | 13 | 15 | 13 | 17 | 22 | 16 | 14 | 15 | 7 | 18 |
| Snow days | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Prospect during the most sunny months:
The largest precipitation sum in Prospect is at