Average annual temperature is 11.3 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: -13.1 °C
Number of sunny days: 156 days
Number of rainy days: 208 days
Number of snow days: 1 day
Look at detailed online map of Monticello (historical)
* Weather data for Monticello (historical) 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) | 13.6 | 13.9 | 17.7 | 29.0 | 30.5 | 29.5 | 34.0 | 39.3 | 32.0 | 27.1 | 16.4 | 15.3 |
| Average daytime temperature (°C) | 9.1 | 8.0 | 10.8 | 13.4 | 21.6 | 23.0 | 27.9 | 29.6 | 22.9 | 17.8 | 11.1 | 10.3 |
| Average temperature (°C) | 5.7 | 3.7 | 5.5 | 8.2 | 14.7 | 15.6 | 19.1 | 20.7 | 15.9 | 12.0 | 7.0 | 7.1 |
| Average night temperature (°C) | 3.0 | 0.8 | 2.1 | 4.7 | 9.7 | 10.3 | 12.7 | 14.7 | 11.5 | 8.3 | 4.3 | 4.8 |
| Absolute minimum temperature (°C) | -5.3 | -13.1 | -2.7 | 0.1 | 5.8 | 6.1 | 10.3 | 9.4 | 7.7 | -0.6 | -2.8 | -1.8 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.7 | 15.4 | 14.1 | 12.6 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.9 | 4.2 | 5.7 | 5.6 | 10.4 | 11.8 | 12.9 | 11.2 | 8.1 | 6.1 | 5.0 | 2.8 |
| Precipitation (mm) | 118 | 91 | 137 | 214 | 27 | 30 | 5 | 25 | 82 | 109 | 176 | 286 |
| Sunny days | 6 | 8 | 4 | 5 | 16 | 22 | 26 | 19 | 15 | 16 | 12 | 7 |
| Rainy days | 25 | 19 | 27 | 25 | 15 | 8 | 5 | 12 | 15 | 15 | 18 | 24 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Monticello (historical) during the most sunny months:
Months with the longest average daylight duration in Monticello (historical):
The largest precipitation sum in Monticello (historical) is at