December Weather in Ruokolahti, Finland

Last updated: August 23, 2025

In Ruokolahti, Finland, the average temperature during December hovers around -3°C (27°F). Expect chilly conditions, with minimums plunging to -21°C (-6°F) and maximums reaching a mild 5°C (42°F). This month, anticipate approximately 73 mm (2.9 in) of precipitation spread across 16 days, contributing to an average humidity of 95%—perfect for cozy indoor activities!

December Temperature in Ruokolahti

In December in Ruokolahti, the average temperature is -3°C (27°F). Maximum temperatures can reach 5°C (42°F), while minimums can drop as low as -21°C (-6°F). It's advisable for travelers to prepare for cold conditions and pack accordingly to enjoy their visit to Ruokolahti.

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

The chart illustrates December temperature patterns in Ruokolahti, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ruokolahti, December typically has an average temperature of -3°C (27°F), with highs reaching up to 5°C (42°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec232228374961646152433526
Data source: Temperature data for Ruokolahti 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 Ruokolahti

In Ruokolahti in December, the precipitation amount is 73 mm (2.9 in) spread over 16 days.

December Precipitation Trends in Ruokolahti

The chart displays monthly precipitation patterns in Ruokolahti, 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 Ruokolahti, December typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec465348465253728670734873
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ruokolahti

In Ruokolahti in December, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.

December Average Humidity in Ruokolahti

This chart illustrates the average monthly humidity levels in Ruokolahti, 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 Ruokolahti is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%93%88%77%76%82%84%90%93%93%95%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ruokolahti

In Ruokolahti 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 Ruokolahti.

Maximum UV Index Levels in Ruokolahti for December

The chart shows the monthly maximum UV Index (UVI) for Ruokolahti 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 Ruokolahti typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456753211
Data source: Ruokolahti 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 Ruokolahti Compares to Other Months

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

This table compares monthly weather conditions in Ruokolahti, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)46 mm (1.8 inches)98%low
February Weather-6°C (22°F)53 mm (2.1 inches)96%low
March Weather-2°C (28°F)48 mm (1.9 inches)93%moderate
April Weather3°C (38°F)46 mm (1.8 inches)88%moderate
May Weather10°C (50°F)52 mm (2.1 inches)77%moderate
June Weather16°C (61°F)53 mm (2.1 inches)75%high
July Weather18°C (64°F)72 mm (2.8 inches)82%high
August Weather16°C (61°F)86 mm (3.4 inches)84%moderate
September Weather11°C (52°F)70 mm (2.8 inches)90%moderate
October Weather6°C (43°F)73 mm (2.9 inches)93%low
November Weather2°C (35°F)48 mm (1.9 inches)93%low
December Weather-3°C (27°F)73 mm (2.9 inches)95%low

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