Last updated: August 27, 2025
In December, the average temperature in Leira, Norway hovers around -7°C (21°F), with extremes ranging from a frigid -24°C (-11°F) to a milder 5°C (42°F). Expect 85 mm (3.4 in) of precipitation over approximately 16 days, contributing to an average humidity level of 99%. Be prepared for a chilly and damp month!
In December in Leira, the average temperature is -7°C (21°F), with maximums reaching 5°C (42°F) and minimums dipping as low as -24°C (-11°F). Travelers should be prepared for cold conditions and dress warmly to fully enjoy the winter scenery.
In Leira in December, the total precipitation amount is 85 mm (3.4 in) spread over 16 days.
In Leira in December, humidity is 99%. With an average temperature of -7°C (21°F), this humidity feels like a heavy shroud wrapping around you, making traveling uncomfortable and breathless, as the frigid air mixes with the dampness, leaving you feeling chilled to the bone.
In Leira 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 Leira.
UV Risk Categories
Weather in Leira varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Leira, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 52 mm (2.1 inches) | 99% | low |
| February Weather | -6°C (21°F) | 49 mm (1.9 inches) | 97% | low |
| March Weather | -3°C (26°F) | 55 mm (2.2 inches) | 94% | moderate |
| April Weather | 1°C (34°F) | 43 mm (1.7 inches) | 89% | moderate |
| May Weather | 6°C (44°F) | 80 mm (3.1 inches) | 85% | high |
| June Weather | 12°C (54°F) | 101 mm (4.0 inches) | 82% | high |
| July Weather | 14°C (57°F) | 104 mm (4.1 inches) | 84% | high |
| August Weather | 12°C (53°F) | 117 mm (4.6 inches) | 89% | moderate |
| September Weather | 8°C (46°F) | 102 mm (4.0 inches) | 92% | moderate |
| October Weather | 3°C (37°F) | 112 mm (4.4 inches) | 96% | low |
| November Weather | -2°C (28°F) | 79 mm (3.1 inches) | 97% | low |
| December Weather | -7°C (21°F) | 85 mm (3.4 inches) | 99% | low |