Last updated: August 23, 2025
In Kuhmalahti, Finland, the average temperature in December hovers around -2°C (28°F). However, be prepared for a range of temperatures, as it can drop as low as -20°C (-3°F) or peak at 5°C (41°F). During this time, you can expect 66 mm (2.6 in) of precipitation spread over approximately 14 days, contributing to an average humidity of 95%. Stay bundled up and ready for the elements!
In December in Kuhmalahti, the average temperature is -2°C (28°F). The maximum can reach 5°C (41°F), and the minimum can be as low as -20°C (-3°F). Travelers should prepare for cold conditions and pack appropriate winter clothing to stay comfortable during their visit.
In Kuhmalahti in December, the precipitation amount is 66 mm (2.6 in) spread over a duration of 14 days.
In Kuhmalahti in December humidity is 95%. With an average temperature of -2°C (28°F), this humidity feels like a damp, frigid chill that seeps into your bones, making traveling uncomfortable and the air heavy with a biting cold that dampens your spirits.
In Kuhmalahti 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 Kuhmalahti.
UV Risk Categories
Weather in Kuhmalahti varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kuhmalahti, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 47 mm (1.9 inches) | 97% | low |
| February Weather | -5°C (23°F) | 40 mm (1.6 inches) | 95% | low |
| March Weather | -2°C (29°F) | 42 mm (1.7 inches) | 93% | moderate |
| April Weather | 3°C (37°F) | 43 mm (1.7 inches) | 86% | moderate |
| May Weather | 9°C (49°F) | 60 mm (2.4 inches) | 75% | moderate |
| June Weather | 16°C (60°F) | 70 mm (2.8 inches) | 75% | high |
| July Weather | 17°C (63°F) | 76 mm (3.0 inches) | 80% | high |
| August Weather | 16°C (60°F) | 87 mm (3.4 inches) | 83% | moderate |
| September Weather | 11°C (52°F) | 67 mm (2.7 inches) | 90% | moderate |
| October Weather | 6°C (43°F) | 81 mm (3.2 inches) | 93% | low |
| November Weather | 2°C (36°F) | 58 mm (2.3 inches) | 94% | low |
| December Weather | -2°C (28°F) | 66 mm (2.6 inches) | 95% | low |