Last updated: June 24, 2025
In December, the average temperature in Ronan, United States hovers around -3°C (27°F), with extremes that can plunge to a minimum of -20°C (-3°F) or rise to a maximum of 13°C (55°F). Expect 93 mm (3.7 in) of precipitation spread over 18 days, contributing to an average humidity of a chilly 95%. Be prepared for a brisk and damp experience!
In December in Ronan, the average temperature is -3°C (27°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -20°C (-3°F). Travelers should be prepared for significant temperature fluctuations, making warm clothing essential for outdoor activities.
In Ronan in December, the precipitation amount is 93 mm (3.7 in) spread over 18 days, indicating a relatively wet period.
In Ronan in December, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.
In Ronan 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 Ronan, you can visit Hourly UV Index in Ronan.
UV Risk Categories
Weather in Ronan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ronan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 69 mm (2.7 inches) | 93% | low |
| February Weather | -6°C (21°F) | 120 mm (4.7 inches) | 92% | moderate |
| March Weather | 0°C (32°F) | 71 mm (2.8 inches) | 89% | high |
| April Weather | 4°C (39°F) | 95 mm (3.7 inches) | 85% | high |
| May Weather | 10°C (49°F) | 90 mm (3.5 inches) | 80% | very high |
| June Weather | 14°C (58°F) | 80 mm (3.1 inches) | 78% | very high |
| July Weather | 20°C (67°F) | 18 mm (0.7 inches) | 77% | very high |
| August Weather | 19°C (66°F) | 29 mm (1.1 inches) | 66% | very high |
| September Weather | 13°C (56°F) | 47 mm (1.9 inches) | 67% | high |
| October Weather | 5°C (41°F) | 96 mm (3.8 inches) | 77% | moderate |
| November Weather | 0°C (33°F) | 103 mm (4.1 inches) | 89% | moderate |
| December Weather | -3°C (27°F) | 93 mm (3.7 inches) | 95% | low |