Last updated: June 24, 2025
In December, the average temperature in Westphalia, United States hovers around 0°C (32°F). During this time, temperatures can plummet to a chilling -23°C (-9°F) or rise to a mild 16°C (62°F). The region experiences an average precipitation of 62 mm (2.5 in) over approximately 10 days, with humidity levels reaching a thick 86%. So, prepare for a mix of wintry weather and cozy indoor moments!
In December in Westphalia, the average temperature is 0°C (32°F). Maximums can reach 16°C (62°F) and minimums can be as low as -23°C (-9°F). This wide range of temperatures means that travelers should be prepared for both mild and cold weather conditions.
In Westphalia in December, the total precipitation amount is 62 mm (2.5 in) over the course of 10 days.
In Westphalia in December humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.
In Westphalia 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 Westphalia, you can visit Hourly UV Index in Westphalia.
UV Risk Categories
Weather in Westphalia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Westphalia, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 64 mm (2.5 inches) | 88% | low |
| February Weather | -3°C (27°F) | 65 mm (2.6 inches) | 87% | moderate |
| March Weather | 2°C (37°F) | 63 mm (2.5 inches) | 85% | moderate |
| April Weather | 8°C (46°F) | 87 mm (3.4 inches) | 86% | very high |
| May Weather | 15°C (60°F) | 125 mm (4.9 inches) | 80% | very high |
| June Weather | 21°C (70°F) | 117 mm (4.6 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 71 mm (2.8 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 64 mm (2.5 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 109 mm (4.3 inches) | 80% | high |
| October Weather | 11°C (53°F) | 123 mm (4.8 inches) | 84% | moderate |
| November Weather | 3°C (38°F) | 63 mm (2.5 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 62 mm (2.5 inches) | 86% | low |