Last updated: June 24, 2025
In December, the average temperature in Chestertown, United States hovers around -3°C (26°F). While you might encounter chilly days, with minimums dipping to -27°C (-15°F), there can also be milder spells reaching up to 14°C (58°F). Expect about 92 mm (3.6 in) of precipitation spread across 10 days, contributing to an average humidity level of 84%.
In December in Chestertown, the average temperature is -3°C (26°F). The maximum can reach 14°C (58°F), while the minimum can drop as low as -27°C (-15°F). Be sure to dress warmly and prepare for a wide range of temperatures if you plan to travel during this time.
In Chestertown in December, the total precipitation amount is 92 mm (3.6 in), which falls over the course of 10 days.
In Chestertown in December, humidity is 84%. With an average temperature of -3°C (26°F), this humidity feels like an icy mist clinging to your skin, making every breath a struggle as the cold seeps in, creating a challenging environment for traveling.
In Chestertown 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 Chestertown, you can visit Hourly UV Index in Chestertown.
UV Risk Categories
Weather in Chestertown varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chestertown, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 80 mm (3.2 inches) | 89% | moderate |
| February Weather | -5°C (23°F) | 82 mm (3.2 inches) | 88% | moderate |
| March Weather | -1°C (30°F) | 68 mm (2.7 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 124 mm (4.9 inches) | 84% | very high |
| May Weather | 13°C (56°F) | 99 mm (3.9 inches) | 76% | very high |
| June Weather | 18°C (65°F) | 105 mm (4.1 inches) | 72% | very high |
| July Weather | 21°C (71°F) | 132 mm (5.2 inches) | 66% | very high |
| August Weather | 20°C (68°F) | 111 mm (4.4 inches) | 64% | very high |
| September Weather | 16°C (61°F) | 76 mm (3.0 inches) | 72% | high |
| October Weather | 10°C (50°F) | 149 mm (5.9 inches) | 81% | moderate |
| November Weather | 2°C (35°F) | 104 mm (4.1 inches) | 87% | moderate |
| December Weather | -3°C (26°F) | 92 mm (3.6 inches) | 84% | low |