Last updated: June 24, 2025
In December, the average temperature in Preston, United States hovers around -3°C (26°F), with extremes ranging from a chilly -25°C (-13°F) to a mild 19°C (66°F). Expect about 41 mm (1.6 in) of precipitation spread over approximately 6 days, contributing to an average humidity of 82%. Be prepared for a crisp and occasionally wet winter month!
In December in Preston, the average temperature is -3°C (26°F), with maximums reaching 19°C (66°F) and minimums plummeting to as low as -25°C (-13°F). This temperature variation makes it ideal for travelers seeking winter sports and cozy retreats amid stunning snowy landscapes.
In Preston in December, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.
In Preston in December, humidity is 82%. With an average temperature of -3°C (26°F), this humidity feels like an uncomfortable chill that makes traveling outside feel more biting and penetrating, as the cold damp air clings to your skin, intensifying the cold sensation and making even short excursions feel more daunting.
In Preston 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 Preston, you can visit Hourly UV Index in Preston.
UV Risk Categories
Weather in Preston varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Preston, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (19°F) | 36 mm (1.4 inches) | 84% | moderate |
| February Weather | -7°C (19°F) | 49 mm (1.9 inches) | 85% | moderate |
| March Weather | 1°C (35°F) | 60 mm (2.4 inches) | 84% | moderate |
| April Weather | 7°C (44°F) | 85 mm (3.3 inches) | 83% | very high |
| May Weather | 15°C (59°F) | 147 mm (5.8 inches) | 75% | very high |
| June Weather | 21°C (71°F) | 140 mm (5.5 inches) | 79% | very high |
| July Weather | 23°C (74°F) | 105 mm (4.1 inches) | 75% | very high |
| August Weather | 21°C (70°F) | 105 mm (4.1 inches) | 69% | very high |
| September Weather | 18°C (64°F) | 119 mm (4.7 inches) | 74% | very high |
| October Weather | 9°C (49°F) | 123 mm (4.9 inches) | 79% | moderate |
| November Weather | 1°C (34°F) | 52 mm (2.1 inches) | 88% | moderate |
| December Weather | -3°C (26°F) | 41 mm (1.6 inches) | 82% | low |