Last updated: August 23, 2025
In December, the average temperature in Kalvola, Finland hovers around -2°C (29°F), but be prepared for sharp fluctuations—minimums can drop to -19°C (-2°F), while maximums reach a balmy 5°C (42°F). Expect a precipitation amount of 62 mm (2.4 in), spread across approximately 13 days, and brace yourself for the high humidity level of 95%, making this month quite the chilly experience!
In December in Kalvola, the average temperature is -2°C (29°F). The maximum can reach 5°C (42°F), while the minimum can drop to as low as -19°C (-2°F). Travelers should prepare for cold conditions and dress warmly to fully enjoy their visit.
In Kalvola in December, the precipitation amount is 62 mm (2.4 in) over the course of 13 days.
In Kalvola in December, humidity is 95%. With an average temperature of -2°C (29°F), this humidity feels like a cold, damp chill that seeps into your bones, making outdoor travel uncomfortable and necessitating extra layers to stay warm and dry.
In Kalvola 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 Kalvola.
UV Risk Categories
Weather in Kalvola varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kalvola, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 48 mm (1.9 inches) | 97% | low |
| February Weather | -5°C (24°F) | 41 mm (1.6 inches) | 95% | low |
| March Weather | -2°C (30°F) | 43 mm (1.7 inches) | 93% | moderate |
| April Weather | 3°C (38°F) | 44 mm (1.7 inches) | 86% | moderate |
| May Weather | 10°C (50°F) | 58 mm (2.3 inches) | 75% | moderate |
| June Weather | 16°C (61°F) | 68 mm (2.7 inches) | 75% | high |
| July Weather | 17°C (63°F) | 82 mm (3.2 inches) | 80% | high |
| August Weather | 16°C (60°F) | 82 mm (3.2 inches) | 83% | moderate |
| September Weather | 11°C (52°F) | 63 mm (2.5 inches) | 90% | moderate |
| October Weather | 6°C (43°F) | 77 mm (3.0 inches) | 93% | low |
| November Weather | 2°C (36°F) | 52 mm (2.0 inches) | 94% | low |
| December Weather | -2°C (29°F) | 62 mm (2.4 inches) | 95% | low |