Last updated: August 23, 2025
In December, the average temperature in Korsnaes, Finland hovers around -1°C (30°F), with minimums plunging to -22°C (-8°F) and maximums reaching 6°C (43°F). This chilly month sees 59 mm (2.3 in) of precipitation spread over 14 days, contributing to a notable average humidity of 93%. Bundle up and prepare for the elements!
In December in Korsnaes, the average temperature is -1°C (30°F), with maximums reaching 6°C (43°F) and minimums dropping as low as -22°C (-8°F). Be sure to pack warm clothing for your trip, as the weather can be quite chilly and unpredictable.
In Korsnaes in December, the total precipitation amount is 59 mm (2.3 in) spread over 14 days.
In Korsnaes in December humidity is 93%. With average temperature -1°C (30°F), this humidity feels like an icy blanket wrapping around you, making every step outside a challenge for travelers. The damp chill seeps into your bones, and even a short stroll can feel exhausting when the air clings closely, creating an almost surreal experience that dampens spirits and slows down every adventure.
In Korsnaes 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 Korsnaes.
UV Risk Categories
Weather in Korsnaes varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Korsnaes, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 40 mm (1.6 inches) | 95% | low |
| February Weather | -4°C (25°F) | 45 mm (1.8 inches) | 93% | low |
| March Weather | -1°C (30°F) | 42 mm (1.7 inches) | 91% | low |
| April Weather | 3°C (37°F) | 39 mm (1.5 inches) | 85% | moderate |
| May Weather | 8°C (47°F) | 39 mm (1.5 inches) | 77% | moderate |
| June Weather | 14°C (58°F) | 57 mm (2.3 inches) | 74% | high |
| July Weather | 17°C (63°F) | 62 mm (2.4 inches) | 80% | high |
| August Weather | 16°C (60°F) | 88 mm (3.5 inches) | 82% | moderate |
| September Weather | 11°C (52°F) | 81 mm (3.2 inches) | 88% | moderate |
| October Weather | 6°C (44°F) | 87 mm (3.4 inches) | 92% | low |
| November Weather | 3°C (37°F) | 60 mm (2.4 inches) | 92% | low |
| December Weather | -1°C (30°F) | 59 mm (2.3 inches) | 93% | low |