Last updated: June 24, 2025
In December, the average temperature in James City, United States hovers around 10°C (50°F). Expect a minimum temperature of -5°C (24°F) and a maximum of 24°C (75°F). During this month, the area sees approximately 124 mm (4.9 in) of precipitation over 10 days, resulting in an average humidity of 84%. 🌧️
In December in James City, the average temperature is 10°C (50°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -5°C (24°F). This variation in temperature makes it essential for travelers to pack layers to stay comfortable throughout the day.
In James City in December, the precipitation amount is 124 mm (4.9 in) spread over a duration of 10 days.
In James City in December, humidity is 84%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and prompting travelers to seek refuge in cozy, warm cafes or indoor attractions.
In James City in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in James City for better planning.
UV Risk Categories
Weather in James City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in James City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (46°F) | 74 mm (2.9 inches) | 84% | moderate |
| February Weather | 11°C (52°F) | 105 mm (4.1 inches) | 81% | high |
| March Weather | 13°C (55°F) | 68 mm (2.7 inches) | 80% | very high |
| April Weather | 17°C (63°F) | 112 mm (4.4 inches) | 80% | very high |
| May Weather | 22°C (71°F) | 137 mm (5.4 inches) | 81% | extreme |
| June Weather | 25°C (77°F) | 195 mm (7.7 inches) | 82% | extreme |
| July Weather | 27°C (80°F) | 211 mm (8.3 inches) | 83% | extreme |
| August Weather | 26°C (80°F) | 242 mm (9.5 inches) | 82% | very high |
| September Weather | 24°C (76°F) | 206 mm (8.1 inches) | 80% | very high |
| October Weather | 20°C (68°F) | 71 mm (2.8 inches) | 79% | very high |
| November Weather | 13°C (55°F) | 97 mm (3.8 inches) | 83% | moderate |
| December Weather | 10°C (50°F) | 124 mm (4.9 inches) | 84% | moderate |