Average annual temperature is 15.5 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -7 °C
Number of sunny days: 170
Number of rainy days: 193
Number of snow days: 2
Average annual precipitation: 1136 mm
Look at detailed online map of Monticello
* Weather data for Monticello United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 21.1 | 25.1 | 25.6 | 28.4 | 29.1 | 33.5 | 36 | 37.1 | 32.4 | 29.8 | 27.5 | 19 |
| Average daytime temperature (°C) | 12 | 15.1 | 15.8 | 20.3 | 25.4 | 28.4 | 31 | 30.1 | 27.8 | 22.2 | 16.5 | 12.4 |
| Average temperature (°C) | 7.1 | 9.5 | 9.4 | 14.1 | 18.7 | 22 | 25.1 | 24.4 | 21.4 | 16.3 | 10.1 | 7 |
| Average night temperature (°C) | 3.5 | 4.8 | 4.6 | 8.8 | 13.1 | 16.3 | 20.4 | 19.6 | 16.2 | 11.6 | 5.6 | 3 |
| Absolute minimum temperature (°C) | -4.7 | -6 | -7 | 1.5 | 4.6 | 10.8 | 15.7 | 14 | 12.1 | 3.5 | -5 | -4.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.4 | 11.3 | 12.6 | 13.7 | 14.5 | 14.7 | 14.6 | 14 | 13 | 11.8 | 10.7 | 9.8 |
| Daylight mean duration (h) | 10 | 10.9 | 12 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.7 | 10.4 | 11.4 | 12.6 | 13.7 | 14.5 | 14.1 | 13 | 11.9 | 10.7 | 9.9 | 9.6 |
| Sunshine mean duration (h) | 6 | 6.6 | 8.6 | 10 | 10.6 | 10.9 | 10.9 | 10.3 | 10.2 | 8.5 | 7.9 | 6.9 |
| Precipitation (mm) | 145 | 129 | 90 | 85 | 98 | 104 | 111 | 82 | 85 | 29 | 63 | 116 |
| Sunny days | 10 | 15 | 18 | 15 | 11 | 12 | 5 | 11 | 17 | 20 | 21 | 15 |
| Rainy days | 21 | 12 | 12 | 15 | 20 | 18 | 26 | 20 | 13 | 11 | 9 | 16 |
The largest precipitation sum in Monticello is at