Last updated: June 24, 2025
In Wilmington Island, United States, the average temperature in December hovers around 13°C (56°F). During this month, temperatures can dip as low as -1°C (31°F) and rise to a maximum of 23°C (73°F). Expect about 129 mm (5.1 in) of precipitation over 9 days, with an average humidity of 85%. Prepare for a month of varied weather!
In December in Wilmington Island, the average temperature is 13°C (56°F). The maximum can reach 23°C (73°F), while the minimum can drop as low as -1°C (31°F). This makes it an ideal time for travelers to experience a variety of outdoor activities, so be sure to pack accordingly!
In Wilmington Island in December, the total precipitation amount is 129 mm (5.1 in) over the course of 9 days.
In Wilmington Island in December humidity is 85%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that wraps around you, making outdoor activities feel heavier and less enjoyable, as layers of clothing cling to the skin and breath becomes visible in the moist air.
In Wilmington Island 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 Wilmington Island for better planning.
UV Risk Categories
Weather in Wilmington Island varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Wilmington Island, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (53°F) | 62 mm (2.4 inches) | 84% | moderate |
| February Weather | 14°C (57°F) | 84 mm (3.3 inches) | 79% | high |
| March Weather | 16°C (61°F) | 66 mm (2.6 inches) | 78% | very high |
| April Weather | 19°C (67°F) | 78 mm (3.1 inches) | 72% | very high |
| May Weather | 23°C (74°F) | 93 mm (3.7 inches) | 72% | extreme |
| June Weather | 26°C (79°F) | 120 mm (4.7 inches) | 74% | extreme |
| July Weather | 28°C (82°F) | 154 mm (6.1 inches) | 82% | extreme |
| August Weather | 27°C (82°F) | 168 mm (6.6 inches) | 82% | extreme |
| September Weather | 26°C (79°F) | 131 mm (5.2 inches) | 83% | very high |
| October Weather | 23°C (73°F) | 88 mm (3.5 inches) | 79% | very high |
| November Weather | 16°C (61°F) | 91 mm (3.6 inches) | 82% | high |
| December Weather | 13°C (56°F) | 129 mm (5.1 inches) | 85% | moderate |