Last updated: June 24, 2025
In December, the average temperature in White River Junction, United States hovers around -4°C (25°F), with a possibility of dropping to a chilling -26°C (-14°F) at night, while the warmer days can reach up to 14°C (58°F). The region experiences 96 mm (3.8 in) of precipitation spread over 11 days, contributing to an average humidity of 81%, enveloping the area in a cold yet captivating atmosphere.
In December in White River Junction, the average temperature is -4°C (25°F), with maximums reaching up to 14°C (58°F) and minimums dropping as low as -26°C (-14°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack appropriately for both chilly and milder conditions.
In White River Junction in December, the precipitation amount is 96 mm (3.8 in) spread over 11 days, resulting in a significant accumulation of rainfall.
In White River Junction in December humidity is 81%. With an average temperature of -4°C (25°F), this humidity feels like an icy blanket wrapping around you, making travel quite uncomfortable as each breath draws in a damp chill, often leaving you shivering and increasingly wary of the frosty air.
In White River Junction 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 White River Junction, you can visit Hourly UV Index in White River Junction.
UV Risk Categories
Weather in White River Junction varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in White River Junction, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 70 mm (2.8 inches) | 86% | moderate |
| February Weather | -5°C (24°F) | 79 mm (3.1 inches) | 84% | moderate |
| March Weather | -1°C (31°F) | 67 mm (2.6 inches) | 82% | high |
| April Weather | 6°C (43°F) | 113 mm (4.4 inches) | 80% | very high |
| May Weather | 13°C (56°F) | 80 mm (3.2 inches) | 72% | very high |
| June Weather | 18°C (65°F) | 88 mm (3.5 inches) | 72% | very high |
| July Weather | 21°C (70°F) | 125 mm (4.9 inches) | 67% | very high |
| August Weather | 20°C (68°F) | 84 mm (3.3 inches) | 66% | very high |
| September Weather | 16°C (61°F) | 61 mm (2.4 inches) | 71% | high |
| October Weather | 10°C (50°F) | 130 mm (5.1 inches) | 78% | moderate |
| November Weather | 1°C (35°F) | 99 mm (3.9 inches) | 84% | moderate |
| December Weather | -4°C (25°F) | 96 mm (3.8 inches) | 81% | low |