December Weather in Jaeppilae, Finland

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%.

December Temperature in Jaeppilae

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.

December Weather in Jaeppilae: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Jaeppilae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jaeppilae, December typically has an average temperature of -4°C (26°F), with highs reaching up to 4°C (39°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec222027364860636050413426
Data source: Temperature data for Jaeppilae generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Jaeppilae

In Jaeppilae, in December, the precipitation amount is 66 mm (2.6 in) over a span of 16 days.

December Precipitation Trends in Jaeppilae

The chart displays monthly precipitation patterns in Jaeppilae, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Jaeppilae, December typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec494242445863869085756766
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jaeppilae

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.

December Average Humidity in Jaeppilae

This chart illustrates the average monthly humidity levels in Jaeppilae, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Jaeppilae is approximately 98%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%95%87%78%74%80%85%91%95%94%98%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jaeppilae

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.

Maximum UV Index Levels in Jaeppilae for December

The chart shows the monthly maximum UV Index (UVI) for Jaeppilae in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Jaeppilae typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Jaeppilae December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Jaeppilae Compares to Other Months

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.

This table compares monthly weather conditions in Jaeppilae, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather2°C (36°F)44 mm (1.7 inches)87%moderate
May Weather9°C (48°F)58 mm (2.3 inches)78%moderate
June Weather16°C (60°F)63 mm (2.5 inches)74%high
July Weather17°C (63°F)86 mm (3.4 inches)80%high
August Weather15°C (60°F)90 mm (3.5 inches)85%moderate
September Weather10°C (51°F)85 mm (3.4 inches)91%moderate
October Weather5°C (42°F)75 mm (3.0 inches)95%low
November Weather1°C (34°F)67 mm (2.6 inches)94%low
December Weather-4°C (26°F)66 mm (2.6 inches)98%low

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