Average annual temperature is 13.0 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -9.3 °C
Number of sunny days: 163 days
Number of rainy days: 196 days
Number of snow days: 6 days
Look at detailed online map of Cornwallis
* Weather data for Cornwallis 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) | 18.6 | 22.7 | 23.2 | 29.3 | 30.0 | 32.2 | 32.3 | 31.1 | 31.8 | 27.7 | 22.0 | 18.1 |
| Average daytime temperature (°C) | 9.5 | 13.0 | 12.6 | 19.7 | 22.2 | 26.4 | 28.8 | 27.3 | 24.5 | 19.4 | 12.9 | 10.2 |
| Average temperature (°C) | 4.5 | 6.1 | 6.3 | 12.7 | 15.9 | 19.9 | 23.3 | 22.0 | 19.1 | 14.0 | 6.9 | 5.3 |
| Average night temperature (°C) | 1.2 | 1.3 | 1.4 | 6.7 | 10.3 | 14.3 | 18.9 | 17.6 | 14.6 | 9.9 | 2.4 | 1.8 |
| Absolute minimum temperature (°C) | -6.9 | -9.3 | -8.2 | -0.5 | 2.5 | 9.5 | 14.6 | 12.1 | 8.8 | 1.6 | -7.0 | -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) | 3.9 | 7.0 | 7.3 | 8.7 | 9.7 | 11.0 | 11.5 | 10.8 | 9.3 | 7.5 | 7.2 | 4.9 |
| Precipitation (mm) | 119 | 82 | 90 | 74 | 106 | 85 | 106 | 85 | 98 | 64 | 44 | 76 |
| Sunny days | 8 | 14 | 15 | 17 | 17 | 14 | 7 | 10 | 13 | 14 | 20 | 14 |
| Rainy days | 21 | 13 | 15 | 13 | 14 | 16 | 24 | 21 | 17 | 17 | 9 | 16 |
| Snow days | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Cornwallis during the most sunny months:
The largest precipitation sum in Cornwallis is at