Last updated: June 24, 2025
In December, the average temperature in Port Dickinson, United States hovers around -1°C (31°F), with minima dipping as low as -19°C (-2°F) and maxima reaching up to 16°C (62°F). Expect 92 mm (3.6 in) of precipitation spread over approximately 12 days, contributing to a notably high average humidity of 86%.
In December in Port Dickinson, the average temperature is -1°C (31°F). The maximum can reach 16°C (62°F) and the minimum can be as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling to Port Dickinson during this month.
In Port Dickinson in December, the precipitation amount is 92 mm (3.6 in) over the course of 12 days.
In Port Dickinson in December humidity is 86%. With an average temperature of -1°C (31°F), this humidity feels like an eerie chill enveloping you, making travel uncomfortable as the damp air bites into your skin and the cold seeps through even the warmest of clothes, creating an atmosphere that is heavy and uninviting.
In Port Dickinson 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 Port Dickinson, you can visit Hourly UV Index in Port Dickinson.
UV Risk Categories
Weather in Port Dickinson varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Port Dickinson, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 78 mm (3.1 inches) | 90% | moderate |
| February Weather | -2°C (28°F) | 90 mm (3.5 inches) | 90% | moderate |
| March Weather | 1°C (35°F) | 89 mm (3.5 inches) | 87% | high |
| April Weather | 8°C (46°F) | 122 mm (4.8 inches) | 88% | very high |
| May Weather | 14°C (58°F) | 127 mm (5.0 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 105 mm (4.1 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 136 mm (5.4 inches) | 78% | very high |
| August Weather | 21°C (70°F) | 114 mm (4.5 inches) | 76% | very high |
| September Weather | 17°C (63°F) | 103 mm (4.1 inches) | 78% | very high |
| October Weather | 12°C (53°F) | 144 mm (5.7 inches) | 84% | high |
| November Weather | 3°C (38°F) | 95 mm (3.7 inches) | 89% | moderate |
| December Weather | -1°C (31°F) | 92 mm (3.6 inches) | 86% | low |