Last updated: August 23, 2025
In December, the average temperature in Nurmijaervi, Finland hovers around -2°C (29°F), with extremes ranging from a brisk -19°C (-3°F) to a surprisingly mild 6°C (43°F). Expect an average precipitation of 71 mm (2.8 in) spread across approximately 14 days, accompanied by a high average humidity of 95%, creating a distinct chill in the air.
In December in Nurmijaervi, the average temperature is -2°C (29°F), with maximums reaching 6°C (43°F) and minimums dropping as low as -19°C (-3°F). Travelers should prepare for quite cold conditions, so warm clothing and proper gear are essential for enjoying the winter charm of Nurmijaervi.
In Nurmijaervi in December, the precipitation amount is 71 mm (2.8 in) over a duration of 14 days.
In Nurmijaervi 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 Nurmijaervi 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 Nurmijaervi.
UV Risk Categories
Weather in Nurmijaervi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nurmijaervi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 53 mm (2.1 inches) | 97% | low |
| February Weather | -4°C (25°F) | 47 mm (1.8 inches) | 95% | low |
| March Weather | -1°C (30°F) | 50 mm (2.0 inches) | 93% | moderate |
| April Weather | 4°C (39°F) | 45 mm (1.8 inches) | 86% | moderate |
| May Weather | 10°C (51°F) | 56 mm (2.2 inches) | 75% | moderate |
| June Weather | 16°C (62°F) | 59 mm (2.3 inches) | 75% | high |
| July Weather | 18°C (64°F) | 83 mm (3.3 inches) | 80% | high |
| August Weather | 16°C (61°F) | 76 mm (3.0 inches) | 83% | moderate |
| September Weather | 11°C (53°F) | 65 mm (2.6 inches) | 90% | moderate |
| October Weather | 6°C (44°F) | 81 mm (3.2 inches) | 93% | low |
| November Weather | 2°C (37°F) | 55 mm (2.2 inches) | 94% | low |
| December Weather | -2°C (29°F) | 71 mm (2.8 inches) | 95% | low |