Last updated: June 24, 2025
In December, the average temperature in Logan, United States hovers around 3°C (38°F), with fluctuations reaching a minimum of -15°C (5°F) and a maximum of 19°C (66°F). Expect 113 mm (4.4 in) of precipitation spread over 11 days, resulting in a damp atmosphere with an average humidity level of 87%. Prepare for a brisk yet refreshing experience!
In December in Logan, the average temperature is 3°C (38°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -15°C (5°F). Be prepared for a wide range of weather conditions during your travels, from chilly days to surprisingly warm afternoons.
In Logan in December, the precipitation amount is 113 mm (4.4 in) over the course of 11 days.
In Logan in December humidity is 87%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.
In Logan in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Logan, you can check the information here.
UV Risk Categories
Weather in Logan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Logan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 89 mm (3.5 inches) | 88% | moderate |
| February Weather | 2°C (36°F) | 123 mm (4.8 inches) | 88% | moderate |
| March Weather | 7°C (44°F) | 129 mm (5.1 inches) | 87% | high |
| April Weather | 12°C (53°F) | 139 mm (5.5 inches) | 85% | very high |
| May Weather | 18°C (64°F) | 133 mm (5.2 inches) | 81% | very high |
| June Weather | 22°C (72°F) | 157 mm (6.2 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 127 mm (5.0 inches) | 81% | very high |
| August Weather | 23°C (74°F) | 113 mm (4.4 inches) | 73% | very high |
| September Weather | 21°C (70°F) | 104 mm (4.1 inches) | 73% | very high |
| October Weather | 15°C (59°F) | 110 mm (4.3 inches) | 78% | high |
| November Weather | 6°C (43°F) | 97 mm (3.8 inches) | 89% | moderate |
| December Weather | 3°C (38°F) | 113 mm (4.4 inches) | 87% | moderate |