Last updated: August 23, 2025
In Sotkamo, Finland, the average temperature in December hovers around -5°C (23°F). Be prepared for chilly conditions, as temperatures can dip as low as -22°C (-7°F), while the mercury may rise to a maximum of 3°C (38°F). During this time, expect approximately 63 mm (2.5 in) of precipitation over 16 days, and with an average humidity of 100%, it's advisable to dress warmly and stay dry!
In December in Sotkamo, the average temperature is -5°C (23°F). Maximums can reach 3°C (38°F), while minimums can drop as low as -22°C (-7°F). Be sure to dress warmly and prepare for chilly conditions if you're planning to travel during this time.
In Sotkamo in December, the precipitation amount is 63 mm (2.5 in), occurring over the course of 16 days.
In Sotkamo in December, humidity is 100%. With an average temperature of -5°C (23°F), this humidity feels like a heavy, frigid blanket enveloping you, making each breath feel cold and damp, and leaving your skin clammy as you navigate the icy landscape.
In Sotkamo 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 Sotkamo.
UV Risk Categories
Weather in Sotkamo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sotkamo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 47 mm (1.8 inches) | 101% | low |
| February Weather | -9°C (17°F) | 42 mm (1.6 inches) | 99% | low |
| March Weather | -4°C (24°F) | 46 mm (1.8 inches) | 94% | low |
| April Weather | 1°C (34°F) | 43 mm (1.7 inches) | 88% | moderate |
| May Weather | 7°C (44°F) | 60 mm (2.4 inches) | 83% | moderate |
| June Weather | 14°C (57°F) | 67 mm (2.7 inches) | 79% | high |
| July Weather | 16°C (61°F) | 84 mm (3.3 inches) | 83% | high |
| August Weather | 14°C (57°F) | 97 mm (3.8 inches) | 87% | moderate |
| September Weather | 9°C (48°F) | 83 mm (3.3 inches) | 91% | moderate |
| October Weather | 4°C (39°F) | 88 mm (3.5 inches) | 96% | low |
| November Weather | -1°C (30°F) | 75 mm (3.0 inches) | 96% | low |
| December Weather | -5°C (23°F) | 63 mm (2.5 inches) | 100% | low |