nomadseason

December Weather in Ristiina, Finland

Last updated: August 23, 2025

In Ristiina, Finland, the average temperature in December hovers around -3°C (27°F). However, it can dip as low as -21°C (-6°F) or rise to a maximum of 5°C (41°F). During this month, expect about 69 mm (2.7 in) of precipitation spread over 15 days, accompanied by high humidity levels of approximately 96%. Prepare for a chilly and damp experience!

December Temperature in Ristiina

In December in Ristiina, the average temperature is -3°C (27°F), with maximums reaching 5°C (41°F) and minimums dropping as low as -21°C (-6°F). Be sure to pack warm clothing if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Ristiina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ristiina, December typically has an average temperature of -3°C (27°F), with highs reaching up to 5°C (41°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec232228374961646051423527
Data source: Temperature data for Ristiina generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Ristiina

In Ristiina in December, the precipitation amount is 69 mm (2.7 in) over the course of 15 days.

December Precipitation Trends in Ristiina

The chart displays monthly precipitation patterns in Ristiina, 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 Ristiina, December typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec484644465464828968765369
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Ristiina

In Ristiina in December humidity is 96%. With an average temperature of -3°C (27°F), this humidity feels like a biting cold that penetrates your clothes, making travel uncomfortable as the dampness clings to your skin and leaves you feeling chilled to the bone.

December Average Humidity in Ristiina

This chart illustrates the average monthly humidity levels in Ristiina, 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 Ristiina is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%93%87%75%74%80%85%90%94%94%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ristiina

In Ristiina 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 Ristiina.

Maximum UV Index Levels in Ristiina for December

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

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

This table compares monthly weather conditions in Ristiina, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)48 mm (1.9 inches)98%low
February Weather-6°C (22°F)46 mm (1.8 inches)96%low
March Weather-2°C (28°F)44 mm (1.7 inches)93%moderate
April Weather3°C (37°F)46 mm (1.8 inches)87%moderate
May Weather10°C (50°F)54 mm (2.1 inches)75%moderate
June Weather16°C (61°F)64 mm (2.5 inches)74%high
July Weather18°C (64°F)82 mm (3.2 inches)80%high
August Weather16°C (61°F)89 mm (3.5 inches)85%moderate
September Weather11°C (52°F)68 mm (2.7 inches)90%moderate
October Weather6°C (43°F)76 mm (3.0 inches)94%low
November Weather2°C (35°F)53 mm (2.1 inches)94%low
December Weather-3°C (27°F)69 mm (2.7 inches)96%low

Compare Ristiina's Climate with Cities Worldwide