Last updated: August 23, 2025
In December, the average temperature in Artjaervi, Finland hovers around -2°C (29°F), with extremes ranging from a chilly -21°C (-6°F) to a mild 6°C (43°F). This month also sees an average humidity of a staggering 96%, accompanied by 74 mm (2.9 in) of precipitation spread over 15 days. Make sure to bundle up and stay dry!
In December in Artjaervi, the average temperature is -2°C (29°F). The maximum can reach 6°C (43°F), while the minimum can drop as low as -21°C (-6°F). Be prepared for cold weather and dress warmly if you plan to visit during this time.
In Artjaervi in December, the precipitation amount is 74 mm (2.9 in) over the course of 15 days.
In Artjaervi in December humidity is 96%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel outside quite uncomfortable and forcing visitors to seek refuge indoors or bundle up tightly before venturing out.
In Artjaervi 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 Artjaervi.
UV Risk Categories
Weather in Artjaervi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Artjaervi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 52 mm (2.0 inches) | 98% | low |
| February Weather | -4°C (24°F) | 48 mm (1.9 inches) | 96% | low |
| March Weather | -1°C (30°F) | 46 mm (1.8 inches) | 93% | moderate |
| April Weather | 4°C (39°F) | 47 mm (1.8 inches) | 87% | moderate |
| May Weather | 10°C (51°F) | 51 mm (2.0 inches) | 75% | moderate |
| June Weather | 17°C (62°F) | 57 mm (2.3 inches) | 74% | high |
| July Weather | 18°C (64°F) | 73 mm (2.9 inches) | 80% | high |
| August Weather | 16°C (61°F) | 80 mm (3.1 inches) | 85% | moderate |
| September Weather | 11°C (52°F) | 59 mm (2.3 inches) | 90% | moderate |
| October Weather | 6°C (43°F) | 78 mm (3.1 inches) | 94% | low |
| November Weather | 2°C (36°F) | 55 mm (2.1 inches) | 94% | low |
| December Weather | -2°C (29°F) | 74 mm (2.9 inches) | 96% | low |