Last updated: August 23, 2025
In Konnevesi, Finland, the average temperature in December hovers around -3°C (26°F), with fluctuations ranging from a chilly -21°C (-6°F) to a milder 4°C (40°F). You can expect around 64 mm (2.5 in) of precipitation spread over 14 days, contributing to an average humidity of 98%. Be prepared for a cold and damp month!
In December, the average temperature in Konnevesi is -3°C (26°F), with maximums reaching 4°C (40°F) and minimums dropping to as low as -21°C (-6°F). Travelers should be prepared for cold conditions and pack accordingly to enjoy their stay comfortably.
In Konnevesi in December, the precipitation amount is 64 mm (2.5 in) spread out over 14 days.
In Konnevesi in December humidity is 98%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that creeps into your bones, making traveling uncomfortable and potentially hazardous as you navigate through the frosty air.
In Konnevesi 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 Konnevesi.
UV Risk Categories
Weather in Konnevesi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Konnevesi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (22°F) | 46 mm (1.8 inches) | 99% | low |
| February Weather | -6°C (21°F) | 42 mm (1.6 inches) | 97% | low |
| March Weather | -3°C (27°F) | 39 mm (1.6 inches) | 95% | moderate |
| April Weather | 2°C (36°F) | 44 mm (1.7 inches) | 87% | moderate |
| May Weather | 9°C (48°F) | 62 mm (2.4 inches) | 78% | moderate |
| June Weather | 16°C (60°F) | 62 mm (2.4 inches) | 74% | high |
| July Weather | 17°C (63°F) | 73 mm (2.9 inches) | 80% | high |
| August Weather | 15°C (60°F) | 87 mm (3.4 inches) | 85% | moderate |
| September Weather | 10°C (50°F) | 75 mm (2.9 inches) | 91% | moderate |
| October Weather | 5°C (41°F) | 74 mm (2.9 inches) | 95% | low |
| November Weather | 1°C (34°F) | 61 mm (2.4 inches) | 94% | low |
| December Weather | -3°C (26°F) | 64 mm (2.5 inches) | 98% | low |