Last updated: August 23, 2025
In December, the average temperature in Jaeppilae, Finland hovers around -4°C (26°F). However, temperatures can plummet to a chilling -23°C (-9°F) at their lowest and rise to a max of 4°C (39°F). Expect a precipitation amount of 66 mm (2.6 in) over approximately 16 days, coupled with an incredible average humidity of 98%.
In December in Jaeppilae, the average temperature is -4°C (26°F). Maximum temperatures can reach 4°C (39°F), while minimums can plunge as low as -23°C (-9°F). When traveling during this time, be prepared for chilly weather and dress warmly to enjoy your stay.
In Jaeppilae, in December, the precipitation amount is 66 mm (2.6 in) over a span of 16 days.
In Jaeppilae in December humidity is 98%. With an average temperature of -4°C (26°F), this humidity feels like a bone-chilling embrace, making it difficult to enjoy outdoor activities and travel comfortably.
In Jaeppilae 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 Jaeppilae.
UV Risk Categories
Weather in Jaeppilae varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Jaeppilae, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (22°F) | 49 mm (1.9 inches) | 99% | low |
February Weather | -7°C (21°F) | 42 mm (1.6 inches) | 97% | low |
March Weather | -3°C (27°F) | 42 mm (1.7 inches) | 95% | moderate |
April Weather | 2°C (36°F) | 44 mm (1.7 inches) | 87% | moderate |
May Weather | 9°C (48°F) | 58 mm (2.3 inches) | 78% | moderate |
June Weather | 16°C (60°F) | 63 mm (2.5 inches) | 74% | high |
July Weather | 17°C (63°F) | 86 mm (3.4 inches) | 80% | high |
August Weather | 15°C (60°F) | 90 mm (3.5 inches) | 85% | moderate |
September Weather | 10°C (51°F) | 85 mm (3.4 inches) | 91% | moderate |
October Weather | 5°C (42°F) | 75 mm (3.0 inches) | 95% | low |
November Weather | 1°C (34°F) | 67 mm (2.6 inches) | 94% | low |
December Weather | -4°C (26°F) | 66 mm (2.6 inches) | 98% | low |