Average annual temperature is 16.1 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 191 days
Number of rainy days: 174 days
Look at detailed online map of James City County
* Weather data for James City County 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) | 21.0 | 26.4 | 25.9 | 31.5 | 29.5 | 31.6 | 36.4 | 35.8 | 35.8 | 28.3 | 26.4 | 21.2 |
| Average daytime temperature (°C) | 12.9 | 14.9 | 15.9 | 23.0 | 22.9 | 27.6 | 31.8 | 30.7 | 27.3 | 22.3 | 15.3 | 12.9 |
| Average temperature (°C) | 8.2 | 9.6 | 10.2 | 16.5 | 17.8 | 21.9 | 26.5 | 25.3 | 22.1 | 16.6 | 9.7 | 7.9 |
| Average night temperature (°C) | 4.7 | 5.1 | 5.6 | 11.5 | 13.8 | 17.6 | 22.3 | 21.3 | 18.2 | 12.2 | 5.5 | 3.9 |
| Absolute minimum temperature (°C) | -1.8 | -7.0 | -0.7 | 4.7 | 7.2 | 12.6 | 19.1 | 17.4 | 14.0 | 5.0 | -4.1 | -2.1 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 6.2 | 7.1 | 8.3 | 9.2 | 10.5 | 11.1 | 11.8 | 10.5 | 8.8 | 8.9 | 7.9 | 6.4 |
| Precipitation (mm) | 74 | 54 | 53 | 124 | 91 | 137 | 71 | 73 | 87 | 28 | 49 | 133 |
| Sunny days | 15 | 17 | 18 | 16 | 13 | 12 | 9 | 11 | 18 | 22 | 22 | 18 |
| Rainy days | 16 | 11 | 13 | 14 | 18 | 18 | 22 | 20 | 12 | 9 | 8 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit James City County during the most sunny months:
The largest precipitation sum in James City County is at