Last updated: June 24, 2025
In December, the average temperature in West Marion, United States hovers around 5°C (42°F). While you might experience a chilly minimum of -11°C (13°F), temperatures can occasionally soar to a comfortable 23°C (73°F). Expect about 127 mm (5.0 in) of precipitation spread over 9 days, contributing to an average humidity of 87%.
In December, in West Marion, the average temperature is 5°C (42°F). The maximum can reach 23°C (73°F), while the minimum can drop as low as -11°C (13°F). Be prepared for a wide range of temperatures when traveling during this time.
In West Marion in December, the precipitation amount is 127 mm (5.0 in) over a span of 9 days.
In West Marion in December humidity is 87%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel less inviting as the air becomes heavy and oppressive.
In West Marion 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 West Marion for better planning.
UV Risk Categories
Weather in West Marion varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in West Marion, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (39°F) | 108 mm (4.3 inches) | 86% | moderate |
| February Weather | 6°C (44°F) | 134 mm (5.3 inches) | 85% | high |
| March Weather | 9°C (49°F) | 114 mm (4.5 inches) | 84% | very high |
| April Weather | 13°C (56°F) | 164 mm (6.4 inches) | 82% | very high |
| May Weather | 18°C (64°F) | 162 mm (6.4 inches) | 83% | extreme |
| June Weather | 21°C (70°F) | 119 mm (4.7 inches) | 82% | extreme |
| July Weather | 23°C (74°F) | 122 mm (4.8 inches) | 80% | extreme |
| August Weather | 22°C (73°F) | 144 mm (5.7 inches) | 74% | very high |
| September Weather | 20°C (69°F) | 152 mm (6.0 inches) | 75% | very high |
| October Weather | 15°C (60°F) | 184 mm (7.2 inches) | 79% | very high |
| November Weather | 8°C (46°F) | 90 mm (3.5 inches) | 87% | high |
| December Weather | 5°C (42°F) | 127 mm (5.0 inches) | 87% | moderate |