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December Weather in Suonenjoki, Finland

Last updated: August 23, 2025

In December, the average temperature in Suonenjoki, Finland hovers around -4°C (26°F). Temperatures can dip as low as -23°C (-9°F), but may also rise to a maximum of 4°C (40°F). During this time, expect about 65 mm (2.6 in) of precipitation spread over 15 days, contributing to a notably high average humidity of 98%.

December Temperature in Suonenjoki

In December in Suonenjoki, the average temperature is -4°C (26°F). The maximum can reach 4°C (40°F), and the minimum can be as low as -23°C (-9°F). Travelers should be prepared for cold weather and pack warm clothing to enjoy their visit comfortably.

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

The chart illustrates December temperature patterns in Suonenjoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suonenjoki, December typically has an average temperature of -4°C (26°F), with highs reaching up to 4°C (40°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec222027364861636050413425
Data source: Temperature data for Suonenjoki 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 Suonenjoki

In Suonenjoki in December, the total precipitation amount reaches 65 mm (2.6 in) over the course of 15 days.

December Precipitation Trends in Suonenjoki

The chart displays monthly precipitation patterns in Suonenjoki, 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 Suonenjoki, December typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec484142445862848882756566
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Suonenjoki

In Suonenjoki 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 Suonenjoki

This chart illustrates the average monthly humidity levels in Suonenjoki, 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 Suonenjoki 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 Suonenjoki

In Suonenjoki 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 Suonenjoki.

Maximum UV Index Levels in Suonenjoki for December

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

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

This table compares monthly weather conditions in Suonenjoki, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)48 mm (1.9 inches)99%low
February Weather-7°C (20°F)41 mm (1.6 inches)97%low
March Weather-3°C (27°F)42 mm (1.6 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 (61°F)62 mm (2.5 inches)74%high
July Weather17°C (64°F)84 mm (3.3 inches)80%high
August Weather15°C (60°F)88 mm (3.5 inches)85%moderate
September Weather10°C (50°F)81 mm (3.2 inches)91%moderate
October Weather5°C (42°F)75 mm (2.9 inches)95%low
November Weather1°C (34°F)65 mm (2.6 inches)94%low
December Weather-4°C (26°F)65 mm (2.6 inches)98%low

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