Last updated: August 27, 2025
In December, the average temperature in Lysaker, Norway hovers around -2°C (28°F). However, temperatures can fluctuate significantly, with minimums falling as low as -16°C (3°F) and maximums reaching up to 7°C (45°F). Expect 107 mm (4.2 in) of precipitation over approximately 16 days, and brace yourself for high humidity levels at 93%, making this month a true test of winter resilience.
In December in Lysaker, the average temperature is -2°C (28°F), with maximums reaching 7°C (45°F) and minimums dropping as low as -16°C (3°F). Travelers should be prepared for cold weather and dress warmly when visiting during this time.
In Lysaker in December, the precipitation amount reaches 107 mm (4.2 in) during a span of 16 days.
In Lysaker in December, the humidity is 93%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making traveling feel uncomfortable and heavy as you contend with the dampness in the air, creating a stark contrast to the freezing temperatures.
In Lysaker 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 Lysaker.
UV Risk Categories
Weather in Lysaker varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lysaker, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 60 mm (2.4 inches) | 94% | low |
| February Weather | -3°C (27°F) | 64 mm (2.5 inches) | 92% | low |
| March Weather | 0°C (33°F) | 65 mm (2.5 inches) | 89% | moderate |
| April Weather | 5°C (41°F) | 38 mm (1.5 inches) | 82% | moderate |
| May Weather | 10°C (51°F) | 90 mm (3.5 inches) | 73% | moderate |
| June Weather | 16°C (61°F) | 86 mm (3.4 inches) | 71% | high |
| July Weather | 17°C (63°F) | 103 mm (4.1 inches) | 72% | high |
| August Weather | 15°C (60°F) | 100 mm (3.9 inches) | 77% | moderate |
| September Weather | 12°C (53°F) | 106 mm (4.2 inches) | 86% | moderate |
| October Weather | 7°C (44°F) | 130 mm (5.1 inches) | 92% | low |
| November Weather | 2°C (36°F) | 107 mm (4.2 inches) | 93% | low |
| December Weather | -2°C (28°F) | 107 mm (4.2 inches) | 93% | low |