Last updated: August 23, 2025
In Nurmes, Finland, the average temperature in December hovers around -4°C (24°F). Expect a chilly range, with minimums plummeting to -20°C (-3°F) and occasional highs reaching 3°C (38°F). During this month, precipitation is notable, with 76 mm (3.0 in) falling over 18 days. The atmosphere is quite humid, boasting an average humidity of 98%, contributing to a brisk, crisp climate.
In December in Nurmes, the average temperature is -4°C (24°F). The maximum can reach 3°C (38°F), while the minimum can plummet to -20°C (-3°F). It's advisable to dress warmly and be prepared for very cold conditions if you're traveling during this time.
In Nurmes in December, the precipitation amount reaches 76 mm (3.0 in) over a span of 18 days.
In Nurmes in December humidity is 98%. With an average temperature of -4°C (24°F), this humidity feels like an icy mist that clings to your skin, making it uncomfortable for traveling and causing everything to feel damp and frosty, as if you are enveloped in a chill that cuts through even the thickest layers of clothing.
In Nurmes 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 Nurmes.
UV Risk Categories
Weather in Nurmes varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nurmes, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 53 mm (2.1 inches) | 99% | low |
| February Weather | -8°C (19°F) | 48 mm (1.9 inches) | 98% | low |
| March Weather | -4°C (25°F) | 50 mm (2.0 inches) | 95% | moderate |
| April Weather | 1°C (34°F) | 44 mm (1.7 inches) | 87% | moderate |
| May Weather | 7°C (44°F) | 66 mm (2.6 inches) | 78% | moderate |
| June Weather | 15°C (60°F) | 77 mm (3.0 inches) | 75% | high |
| July Weather | 17°C (63°F) | 104 mm (4.1 inches) | 83% | high |
| August Weather | 15°C (59°F) | 108 mm (4.3 inches) | 88% | moderate |
| September Weather | 10°C (50°F) | 110 mm (4.3 inches) | 92% | moderate |
| October Weather | 4°C (40°F) | 135 mm (5.3 inches) | 95% | low |
| November Weather | 0°C (32°F) | 105 mm (4.1 inches) | 94% | low |
| December Weather | -4°C (24°F) | 76 mm (3.0 inches) | 98% | low |