Last updated: August 27, 2025
In December, the average temperature in Jessheim, Norway hovers around -2°C (29°F), with extremes ranging from a brisk -14°C (6°F) to a milder 7°C (45°F). Expect 97 mm (3.8 in) of precipitation spread over approximately 15 days, contributing to a high average humidity level of 98%. Prepare for a chilly and damp month!
In December in Jessheim, the average temperature is -2°C (29°F). Maximums can reach 7°C (45°F), while minimums can plunge to -14°C (6°F). Travelers should be prepared for cold weather and pack appropriately to enjoy their visit.
In Jessheim in December, the total precipitation amount is 97 mm (3.8 in) spread over 15 days.
In Jessheim in December, humidity is 98%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket clinging to the skin, making it challenging to stay warm while traveling.
In Jessheim in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Jessheim.
UV Risk Categories
Weather in Jessheim varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Jessheim, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 54 mm (2.1 inches) | 98% | low |
| February Weather | -3°C (27°F) | 56 mm (2.2 inches) | 95% | low |
| March Weather | 1°C (33°F) | 57 mm (2.3 inches) | 92% | moderate |
| April Weather | 5°C (41°F) | 38 mm (1.5 inches) | 88% | moderate |
| May Weather | 10°C (51°F) | 85 mm (3.4 inches) | 84% | moderate |
| June Weather | 16°C (61°F) | 84 mm (3.3 inches) | 82% | high |
| July Weather | 17°C (63°F) | 94 mm (3.7 inches) | 82% | high |
| August Weather | 15°C (59°F) | 93 mm (3.7 inches) | 87% | moderate |
| September Weather | 11°C (52°F) | 94 mm (3.7 inches) | 91% | moderate |
| October Weather | 6°C (43°F) | 118 mm (4.7 inches) | 95% | low |
| November Weather | 1°C (35°F) | 104 mm (4.1 inches) | 97% | low |
| December Weather | -2°C (29°F) | 97 mm (3.8 inches) | 98% | low |