Last updated: August 23, 2025
In December, the average temperature in Utajaervi, Finland hovers around -5°C (23°F), with extremes ranging from a brisk -23°C (-9°F) to a mild 4°C (39°F). The region experiences 59 mm (2.3 in) of precipitation over about 15 days, contributing to a notably high average humidity of 99%. Be prepared for a chilly and wet month!
In December in Utajaervi, the average temperature is -5°C (23°F), with maximums reaching 4°C (39°F) and minimums dropping as low as -23°C (-9°F). Be prepared for cold weather and dress warmly if you plan to visit during this time.
In Utajaervi in December, the total precipitation amount is 59 mm (2.3 in) spread over 15 days.
In Utajaervi in December humidity is 99%. With an average temperature of -5°C (23°F), this humidity feels like an icy veil clinging to your skin, making every breath feel sharp and heavy, a stark reminder that even in the cold, moisture hangs in the air, creating an uncomfortable chill that can dampen any travel adventure.
In Utajaervi 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 Utajaervi.
UV Risk Categories
Weather in Utajaervi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Utajaervi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 42 mm (1.7 inches) | 100% | low |
| February Weather | -9°C (17°F) | 41 mm (1.6 inches) | 98% | low |
| March Weather | -4°C (25°F) | 43 mm (1.7 inches) | 95% | low |
| April Weather | 1°C (34°F) | 41 mm (1.6 inches) | 87% | moderate |
| May Weather | 8°C (46°F) | 55 mm (2.2 inches) | 81% | moderate |
| June Weather | 14°C (58°F) | 64 mm (2.5 inches) | 77% | high |
| July Weather | 16°C (62°F) | 89 mm (3.5 inches) | 79% | high |
| August Weather | 14°C (57°F) | 105 mm (4.1 inches) | 84% | moderate |
| September Weather | 9°C (48°F) | 77 mm (3.0 inches) | 90% | moderate |
| October Weather | 3°C (38°F) | 87 mm (3.4 inches) | 95% | low |
| November Weather | -1°C (30°F) | 72 mm (2.8 inches) | 95% | low |
| December Weather | -5°C (23°F) | 59 mm (2.3 inches) | 99% | low |