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December Weather in Ylaene, Finland

Last updated: August 23, 2025

In December, the average temperature in Ylaene, Finland hovers around -1°C (30°F), with fluctuations seeing minimums plummet to -20°C (-4°F) and reaching highs of 6°C (43°F). Expect 65 mm (2.6 in) of precipitation spread across 12 days, contributing to a notably high humidity rate of 89%. Prepare accordingly for this chilly and damp weather!

December Temperature in Ylaene

In December in Ylaene, the average temperature is -1°C (30°F), with maximums reaching 6°C (43°F) and minimums dropping as low as -20°C (-4°F). Travelers should be prepared for cold weather and dress warmly to fully enjoy the winter activities and scenery.

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

The chart illustrates December temperature patterns in Ylaene, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ylaene, December typically has an average temperature of -1°C (30°F), with highs reaching up to 6°C (43°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec272531395061646152433730
Data source: Temperature data for Ylaene 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 Ylaene

In Ylaene in December, the precipitation amount is 65 mm (2.6 in) over the course of 12 days.

December Precipitation Trends in Ylaene

The chart displays monthly precipitation patterns in Ylaene, 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 Ylaene, December typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec454143385056868660745365
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ylaene

In Ylaene in December humidity is 89%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that wraps around you, making outdoor travel uncomfortable and brisk, as the cold air sharpens the dampness, leaving you feeling colder than the thermometer suggests.

December Average Humidity in Ylaene

This chart illustrates the average monthly humidity levels in Ylaene, 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 Ylaene is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ylaene

In Ylaene 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 Ylaene.

Maximum UV Index Levels in Ylaene for December

The chart shows the monthly maximum UV Index (UVI) for Ylaene 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 Ylaene typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Ylaene 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 Ylaene Compares to Other Months

Weather in Ylaene varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ylaene, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Ylaene, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)45 mm (1.8 inches)92%low
February Weather-4°C (25°F)41 mm (1.6 inches)90%low
March Weather-1°C (31°F)43 mm (1.7 inches)89%moderate
April Weather4°C (40°F)38 mm (1.5 inches)85%moderate
May Weather10°C (50°F)50 mm (2.0 inches)77%moderate
June Weather16°C (61°F)56 mm (2.2 inches)78%high
July Weather18°C (64°F)86 mm (3.4 inches)78%high
August Weather16°C (61°F)86 mm (3.4 inches)79%moderate
September Weather11°C (53°F)60 mm (2.4 inches)86%moderate
October Weather6°C (44°F)74 mm (2.9 inches)90%low
November Weather3°C (37°F)53 mm (2.1 inches)91%low
December Weather-1°C (30°F)65 mm (2.6 inches)89%low

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