Last updated: August 23, 2025
In December, the average temperature in Raahe, Finland hovers around -2°C (28°F), with daytime highs reaching up to 5°C (41°F) and chilling lows plummeting to -16°C (4°F). This month also sees 55 mm (2.2 in) of precipitation spread over 13 days, contributing to a notably high average humidity of 98%. Be prepared for a truly brisk and damp atmosphere!
In December in Raahe, the average temperature is -2°C (28°F), with a maximum that can reach 5°C (41°F) and a minimum that can drop as low as -16°C (4°F). Travelers should prepare for cold weather and dress warmly while exploring the area.
In Raahe in December, the precipitation amount is 55 mm (2.2 in) spread over 13 days.
In Raahe in December, humidity is 98%. With an average temperature of -2°C (28°F), this humidity feels like a freezing fog that clings to your skin, making every breath feel sharp and icy, and turning simple travel into a challenge as the cold dampness seeps through layers of clothing.
In Raahe 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 Raahe.
UV Risk Categories
Weather in Raahe varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Raahe, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 38 mm (1.5 inches) | 99% | low |
| February Weather | -7°C (20°F) | 38 mm (1.5 inches) | 97% | low |
| March Weather | -4°C (25°F) | 37 mm (1.5 inches) | 93% | moderate |
| April Weather | 0°C (31°F) | 38 mm (1.5 inches) | 86% | moderate |
| May Weather | 5°C (42°F) | 56 mm (2.2 inches) | 80% | moderate |
| June Weather | 13°C (55°F) | 50 mm (2.0 inches) | 76% | high |
| July Weather | 17°C (62°F) | 64 mm (2.5 inches) | 79% | high |
| August Weather | 15°C (59°F) | 91 mm (3.6 inches) | 83% | moderate |
| September Weather | 11°C (52°F) | 83 mm (3.3 inches) | 89% | moderate |
| October Weather | 5°C (42°F) | 99 mm (3.9 inches) | 94% | low |
| November Weather | 1°C (35°F) | 70 mm (2.7 inches) | 94% | low |
| December Weather | -2°C (28°F) | 55 mm (2.2 inches) | 98% | low |