Last updated: June 24, 2025
In December, the average temperature in Chichester, United States hovers around -2°C (29°F). Expect a chilly range where minimums can dip to -22°C (-7°F) and maximums may reach 16°C (61°F). Alongside the cold, anticipate about 118 mm (4.6 in) of precipitation spread over 9 days, contributing to an average humidity of 81%. Prepare for a wintery atmosphere!
In December in Chichester, the average temperature is -2°C (29°F). Maximum temperatures can reach as high as 16°C (61°F), while the minimum can drop as low as -22°C (-7°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both chilly days and milder spells.
In Chichester in December, the precipitation amount is 118 mm (4.6 in) over the course of 9 days.
In Chichester in December humidity is 81%. With an average temperature of -2°C (29°F), this humidity feels like an uncomfortable chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm while traveling.
In Chichester in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Chichester, you can visit Hourly UV Index in Chichester.
UV Risk Categories
Weather in Chichester varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chichester, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 72 mm (2.8 inches) | 86% | moderate |
| February Weather | -2°C (28°F) | 83 mm (3.3 inches) | 84% | moderate |
| March Weather | 1°C (34°F) | 78 mm (3.1 inches) | 82% | moderate |
| April Weather | 7°C (46°F) | 129 mm (5.1 inches) | 80% | very high |
| May Weather | 14°C (57°F) | 75 mm (3.0 inches) | 72% | very high |
| June Weather | 20°C (68°F) | 84 mm (3.3 inches) | 72% | very high |
| July Weather | 23°C (73°F) | 139 mm (5.5 inches) | 67% | very high |
| August Weather | 22°C (71°F) | 86 mm (3.4 inches) | 66% | very high |
| September Weather | 18°C (64°F) | 77 mm (3.0 inches) | 71% | high |
| October Weather | 11°C (53°F) | 126 mm (5.0 inches) | 78% | moderate |
| November Weather | 4°C (39°F) | 106 mm (4.2 inches) | 84% | moderate |
| December Weather | -2°C (29°F) | 118 mm (4.6 inches) | 81% | low |