Last updated: August 23, 2025
In Alavus, Finland, the average temperature in December hovers around -3°C (27°F). Expect chilly conditions with minimum temperatures plummeting to -24°C (-11°F) and the mercury occasionally peaking at 5°C (41°F). Rain or snow is likely, with 54 mm (2.1 in) of precipitation spread over about 13 days. Be prepared for a damp atmosphere, as the average humidity reaches a brisk 95%.
In December in Alavus, the average temperature is -3°C (27°F), with maximums reaching 5°C (41°F) and minimums dropping as low as -24°C (-11°F). Be prepared for chilly weather and dress warmly if you plan to travel during this time.
In Alavus in December, the precipitation amount is 54 mm (2.1 in), falling over the course of 13 days.
In Alavus in December, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.
In Alavus 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 Alavus.
UV Risk Categories
Weather in Alavus varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Alavus, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 41 mm (1.6 inches) | 97% | low |
| February Weather | -6°C (22°F) | 40 mm (1.6 inches) | 95% | low |
| March Weather | -2°C (28°F) | 43 mm (1.7 inches) | 92% | moderate |
| April Weather | 3°C (38°F) | 46 mm (1.8 inches) | 85% | moderate |
| May Weather | 9°C (49°F) | 59 mm (2.3 inches) | 77% | moderate |
| June Weather | 15°C (60°F) | 61 mm (2.4 inches) | 74% | high |
| July Weather | 17°C (62°F) | 55 mm (2.2 inches) | 79% | high |
| August Weather | 15°C (59°F) | 83 mm (3.3 inches) | 82% | moderate |
| September Weather | 10°C (50°F) | 70 mm (2.8 inches) | 89% | moderate |
| October Weather | 5°C (41°F) | 73 mm (2.9 inches) | 93% | low |
| November Weather | 1°C (34°F) | 62 mm (2.4 inches) | 93% | low |
| December Weather | -3°C (27°F) | 54 mm (2.1 inches) | 95% | low |