Last updated: August 23, 2025
In Keminmaa, Finland, the average temperature in December hovers around -4°C (25°F). Expect chilly conditions, with minimum temperatures plummeting to -20°C (-3°F) and a maximum of 4°C (40°F). During this month, precipitation averages 71 mm (2.8 in) over 16 days, accompanied by a notably high average humidity of 98%. Stay warm and prepared for damp weather!
In December in Keminmaa, the average temperature is -4°C (25°F). The maximum can reach 4°C (40°F), while the minimum can dip as low as -20°C (-3°F). It’s advisable to pack warm clothing and prepare for cold weather if you're planning to visit during this time.
In Keminmaa in December, the precipitation amount is 71 mm (2.8 in) over the course of 16 days.
In Keminmaa in December humidity is 98%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that clings to your skin, making every step feel more laborious as you navigate through the frosty air, dampening your spirits as well as your clothes.
In Keminmaa 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 Keminmaa.
UV Risk Categories
Weather in Keminmaa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Keminmaa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 50 mm (2.0 inches) | 99% | low |
| February Weather | -9°C (17°F) | 48 mm (1.9 inches) | 97% | low |
| March Weather | -5°C (24°F) | 50 mm (2.0 inches) | 93% | low |
| April Weather | -1°C (31°F) | 38 mm (1.5 inches) | 86% | moderate |
| May Weather | 5°C (42°F) | 52 mm (2.1 inches) | 80% | moderate |
| June Weather | 13°C (55°F) | 59 mm (2.3 inches) | 76% | high |
| July Weather | 17°C (62°F) | 63 mm (2.5 inches) | 79% | high |
| August Weather | 15°C (59°F) | 92 mm (3.6 inches) | 83% | moderate |
| September Weather | 10°C (50°F) | 88 mm (3.4 inches) | 89% | moderate |
| October Weather | 4°C (40°F) | 106 mm (4.2 inches) | 94% | low |
| November Weather | 0°C (32°F) | 82 mm (3.2 inches) | 94% | low |
| December Weather | -4°C (25°F) | 71 mm (2.8 inches) | 98% | low |