Last updated: August 23, 2025
In December, the average temperature in Kemijaervi, Finland hovers around -7°C (19°F). Expect chilly extremes, with minimums plummeting to -32°C (-25°F) and feeble highs reaching up to 3°C (37°F). Rain and snow can be anticipated, with 54 mm (2.1 in) of precipitation spread over about 15 days. Additionally, the air is notably humid, boasting an average humidity of 101%.
In December in Kemijaervi, the average temperature is -7°C (19°F). The maximum can reach 3°C (37°F), while the minimum can plummet to as low as -32°C (-25°F). Travelers should be prepared for extremely cold weather conditions and dress in layers to ensure warmth during their visit.
In Kemijaervi in December, the total precipitation amount is 54 mm (2.1 in) spread over the course of 15 days.
In Kemijaervi in December humidity is 101%. With an average temperature of -7°C (19°F), this humidity feels like you’re stepping into a frigid mist that clings to your skin, making travel uncomfortable as each breath creates small clouds of vapor in the chilly air.
In Kemijaervi 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 Kemijaervi.
UV Risk Categories
Weather in Kemijaervi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kemijaervi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (14°F) | 40 mm (1.6 inches) | 101% | low |
| February Weather | -11°C (13°F) | 36 mm (1.4 inches) | 99% | low |
| March Weather | -6°C (22°F) | 43 mm (1.7 inches) | 93% | low |
| April Weather | 0°C (32°F) | 38 mm (1.5 inches) | 88% | moderate |
| May Weather | 5°C (42°F) | 47 mm (1.9 inches) | 83% | moderate |
| June Weather | 13°C (55°F) | 80 mm (3.2 inches) | 80% | moderate |
| July Weather | 16°C (61°F) | 75 mm (2.9 inches) | 83% | moderate |
| August Weather | 13°C (55°F) | 87 mm (3.4 inches) | 87% | moderate |
| September Weather | 7°C (46°F) | 68 mm (2.7 inches) | 92% | moderate |
| October Weather | 1°C (35°F) | 78 mm (3.1 inches) | 97% | low |
| November Weather | -3°C (26°F) | 59 mm (2.3 inches) | 98% | low |
| December Weather | -7°C (19°F) | 54 mm (2.1 inches) | 101% | low |