Average annual temperature is 12.4 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 195 days
Number of rainy days: 156 days
Number of snow days: 14 days
Look at detailed online map of Monmouth
* Weather data for Monmouth 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) | 16.4 | 13.3 | 21.4 | 25.6 | 33.0 | 34.1 | 34.7 | 35.9 | 32.1 | 30.7 | 20.9 | 15.3 |
| Average daytime temperature (°C) | 3.7 | 6.8 | 9.2 | 18.0 | 26.0 | 30.1 | 28.8 | 27.7 | 26.0 | 18.3 | 10.8 | 7.3 |
| Average temperature (°C) | -0.6 | 1.1 | 3.7 | 11.1 | 19.3 | 23.7 | 23.6 | 22.9 | 20.3 | 13.6 | 5.8 | 3.5 |
| Average night temperature (°C) | -3.6 | -3.4 | -0.3 | 5.4 | 12.9 | 17.5 | 18.7 | 18.7 | 15.7 | 9.6 | 1.7 | 0.9 |
| Absolute minimum temperature (°C) | -16.8 | -17.3 | -12.0 | -1.5 | 3.4 | 9.2 | 13.8 | 11.5 | 10.9 | -2.6 | -10.9 | -7.5 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.3 | 7.5 | 6.8 | 9.5 | 11.8 | 12.6 | 12.3 | 10.7 | 10.0 | 7.3 | 7.7 | 4.3 |
| Precipitation (mm) | 62 | 65 | 95 | 52 | 26 | 31 | 114 | 103 | 55 | 75 | 20 | 73 |
| Sunny days | 12 | 16 | 14 | 16 | 22 | 20 | 11 | 15 | 16 | 15 | 22 | 16 |
| Rainy days | 9 | 10 | 17 | 14 | 9 | 10 | 20 | 16 | 14 | 16 | 7 | 14 |
| Snow days | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Monmouth during the most sunny months:
The largest precipitation sum in Monmouth is at