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December Weather in Mammaste, Estonia

Last updated: August 23, 2025

In December, the average temperature in Mammaste, Estonia hovers around -2°C (29°F). While the mercury can plunge to a brisk -26°C (-15°F) at times, it may also rise to a pleasant 8°C (48°F). Expect about 52 mm (2.1 in) of precipitation spread over 13 days, accompanied by a notably high average humidity of 93%.

December Temperature in Mammaste

In December in Mammaste, the average temperature is -2°C (29°F), with maximums reaching 8°C (48°F) and minimums dipping as low as -26°C (-15°F). Travelers should be prepared for potentially harsh winter conditions, so bundling up and staying warm is essential.

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

The chart illustrates December temperature patterns in Mammaste, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mammaste, December typically has an average temperature of -2°C (29°F), with highs reaching up to 8°C (48°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec272633415262646254453729
Data source: Temperature data for Mammaste 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 Mammaste

In Mammaste in December, the precipitation amount is 52 mm (2.1 in) spread over 13 days.

December Precipitation Trends in Mammaste

The chart displays monthly precipitation patterns in Mammaste, 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 Mammaste, December typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec364147546975708066715452
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mammaste

In Mammaste in December humidity is 93%. With an average temperature of -2°C (29°F), this humidity feels like a dense, frosty blanket that clings to you, making the cold seep into your bones and transforming outdoor activities into a chilly challenge.

December Average Humidity in Mammaste

This chart illustrates the average monthly humidity levels in Mammaste, 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 Mammaste is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%87%70%77%78%81%88%92%93%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mammaste

In Mammaste 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 Mammaste.

Maximum UV Index Levels in Mammaste for December

The chart shows the monthly maximum UV Index (UVI) for Mammaste 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 Mammaste typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Mammaste 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 Mammaste Compares to Other Months

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

This table compares monthly weather conditions in Mammaste, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)36 mm (1.4 inches)94%low
February Weather-3°C (27°F)41 mm (1.6 inches)92%low
March Weather0°C (33°F)47 mm (1.8 inches)89%moderate
April Weather5°C (42°F)54 mm (2.1 inches)87%moderate
May Weather11°C (52°F)69 mm (2.7 inches)70%moderate
June Weather17°C (62°F)75 mm (3.0 inches)77%high
July Weather18°C (64°F)70 mm (2.7 inches)78%high
August Weather16°C (62°F)80 mm (3.1 inches)81%high
September Weather12°C (54°F)66 mm (2.6 inches)88%moderate
October Weather7°C (45°F)71 mm (2.8 inches)92%low
November Weather3°C (37°F)54 mm (2.1 inches)93%low
December Weather-2°C (29°F)52 mm (2.1 inches)93%low

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