Last updated: August 27, 2025
In December, the average temperature in Flateby, Norway hovers around -1°C (31°F), with minimums dipping as low as -14°C (8°F) and highs reaching up to 8°C (47°F). Rainfall is quite frequent, totaling 85 mm (3.4 in) over approximately 14 days. With an average humidity level of a brisk 93%, visitors can expect a chilly and damp atmosphere during this time.
In December in Flateby, the average temperature is -1°C (31°F). Maximum temperatures can reach 8°C (47°F), while minimums can drop as low as -14°C (8°F). It’s advisable to pack warm clothing and be prepared for cold weather conditions when traveling during this time.
In Flateby in December, the precipitation amount is 85 mm (3.4 in) spread over 14 days, contributing to the region's overall climate patterns.
In Flateby in December, humidity is 93%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold air clings to your skin and dampens any warmth you might find.
In Flateby 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 Flateby.
UV Risk Categories
Weather in Flateby varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Flateby, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 52 mm (2.1 inches) | 94% | low |
| February Weather | -2°C (29°F) | 57 mm (2.2 inches) | 92% | low |
| March Weather | 1°C (35°F) | 57 mm (2.3 inches) | 89% | moderate |
| April Weather | 6°C (42°F) | 35 mm (1.4 inches) | 82% | moderate |
| May Weather | 11°C (52°F) | 80 mm (3.2 inches) | 73% | moderate |
| June Weather | 16°C (62°F) | 83 mm (3.3 inches) | 71% | high |
| July Weather | 18°C (64°F) | 95 mm (3.7 inches) | 72% | high |
| August Weather | 16°C (61°F) | 85 mm (3.4 inches) | 77% | moderate |
| September Weather | 12°C (54°F) | 84 mm (3.3 inches) | 86% | moderate |
| October Weather | 7°C (45°F) | 108 mm (4.2 inches) | 92% | low |
| November Weather | 3°C (37°F) | 91 mm (3.6 inches) | 93% | low |
| December Weather | -1°C (31°F) | 85 mm (3.4 inches) | 93% | low |