Last updated: August 23, 2025
In December, the average temperature in Eurajoki, Finland hovers around 0°C (32°F). Visitors can expect chilly conditions, with minimum temperatures dipping to -16°C (3°F) and reaching a maximum of 6°C (44°F). Precipitation is likely, with around 69 mm (2.7 in) expected over approximately 14 days, and an average humidity level of 89% keeps the air feeling quite damp.
In December in Eurajoki, the average temperature is 0°C (32°F). Maximums can reach 6°C (44°F), and minimums can be as low as -16°C (3°F). Be prepared for chilly conditions and dress warmly if you're planning to visit during this time.
In Eurajoki in December, the precipitation amount is 69 mm (2.7 in) over the course of 14 days.
In Eurajoki in December humidity is 89%. With an average temperature of 0°C (32°F), this humidity feels like a chilly embrace that makes every breath feel heavy and damp, turning your travel experience into a constant dance with the cold and moisture in the air, leaving you longing for warmth and comfort at every turn.
In Eurajoki 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 Eurajoki.
UV Risk Categories
Weather in Eurajoki varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Eurajoki, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (30°F) | 43 mm (1.7 inches) | 92% | low |
| February Weather | -3°C (27°F) | 40 mm (1.6 inches) | 90% | low |
| March Weather | 0°C (32°F) | 42 mm (1.7 inches) | 89% | moderate |
| April Weather | 4°C (39°F) | 36 mm (1.4 inches) | 85% | moderate |
| May Weather | 9°C (48°F) | 41 mm (1.6 inches) | 77% | moderate |
| June Weather | 15°C (59°F) | 48 mm (1.9 inches) | 78% | high |
| July Weather | 17°C (63°F) | 86 mm (3.4 inches) | 78% | high |
| August Weather | 16°C (62°F) | 88 mm (3.5 inches) | 79% | moderate |
| September Weather | 12°C (54°F) | 72 mm (2.8 inches) | 86% | moderate |
| October Weather | 7°C (45°F) | 84 mm (3.3 inches) | 90% | low |
| November Weather | 4°C (39°F) | 61 mm (2.4 inches) | 91% | low |
| December Weather | 0°C (32°F) | 69 mm (2.7 inches) | 89% | low |