Last updated: June 24, 2025
In December, the average temperature in Norway, United States hovers around -5°C (23°F), with extremes ranging from a frigid -30°C (-22°F) to a mild 14°C (57°F). Expect approximately 55 mm (2.2 in) of precipitation over 8 days, and prepare for a relatively high humidity level at 87%.
In December in Norway, the average temperature is -5°C (23°F). The maximum can reach 14°C (57°F), while the minimum can drop as low as -30°C (-22°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for their visit.
In Norway in December, the precipitation amount is 55 mm (2.2 in) over the course of 8 days.
In Norway in December humidity is 87%. With an average temperature of -5°C (23°F), this humidity feels like a heavy, damp blanket enveloping you, making even the cold air seem more biting and clammy, which can be quite uncomfortable for traveling.
In Norway 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 Norway, you can visit Hourly UV Index in Norway.
UV Risk Categories
Weather in Norway varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Norway, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 33 mm (1.3 inches) | 89% | low |
| February Weather | -9°C (17°F) | 49 mm (1.9 inches) | 90% | moderate |
| March Weather | -2°C (28°F) | 48 mm (1.9 inches) | 87% | moderate |
| April Weather | 4°C (39°F) | 90 mm (3.5 inches) | 84% | high |
| May Weather | 12°C (55°F) | 85 mm (3.3 inches) | 77% | very high |
| June Weather | 18°C (65°F) | 108 mm (4.3 inches) | 75% | very high |
| July Weather | 21°C (70°F) | 103 mm (4.1 inches) | 74% | very high |
| August Weather | 19°C (67°F) | 118 mm (4.6 inches) | 73% | very high |
| September Weather | 15°C (60°F) | 90 mm (3.5 inches) | 78% | high |
| October Weather | 8°C (46°F) | 99 mm (3.9 inches) | 84% | moderate |
| November Weather | 0°C (32°F) | 51 mm (2.0 inches) | 89% | moderate |
| December Weather | -5°C (23°F) | 55 mm (2.2 inches) | 87% | low |