nomadseason

December Weather in Mustla, Estonia

Last updated: August 23, 2025

In Mustla, Estonia, the average temperature for December hovers around -1°C (31°F), with extremes ranging from a chilly -21°C (-5°F) to a mild 9°C (48°F). Expect 54 mm (2.1 in) of precipitation over 12 days and a high average humidity of 90%, making for a crisp and damp atmosphere.

December Temperature in Mustla

In December in Mustla, the average temperature is -1°C (31°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -21°C (-5°F). Travelers should be prepared for a range of chilly conditions, from mild to frigid, and pack accordingly.

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

The chart illustrates December temperature patterns in Mustla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mustla, December typically has an average temperature of -1°C (31°F), with highs reaching up to 9°C (48°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec292733415262646255463831
Data source: Temperature data for Mustla 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 Mustla

In Mustla in December, the total precipitation amount is 54 mm (2.1 in) spread over a period of 12 days.

December Precipitation Trends in Mustla

The chart displays monthly precipitation patterns in Mustla, 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 Mustla, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec394756475174799477875954
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Mustla

In Mustla in December humidity is 90%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as the damp air seeps into your clothes, chilling you to the bone with every step you take.

December Average Humidity in Mustla

This chart illustrates the average monthly humidity levels in Mustla, 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 Mustla is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%90%87%76%80%80%83%87%90%91%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mustla

In Mustla 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 Mustla.

Maximum UV Index Levels in Mustla for December

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

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

This table compares monthly weather conditions in Mustla, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)39 mm (1.5 inches)92%low
February Weather-3°C (27°F)47 mm (1.9 inches)91%low
March Weather0°C (33°F)56 mm (2.2 inches)90%moderate
April Weather5°C (42°F)47 mm (1.8 inches)87%moderate
May Weather11°C (52°F)51 mm (2.0 inches)76%moderate
June Weather17°C (62°F)74 mm (2.9 inches)80%high
July Weather18°C (64°F)79 mm (3.1 inches)80%high
August Weather17°C (62°F)94 mm (3.7 inches)83%high
September Weather13°C (55°F)77 mm (3.0 inches)87%moderate
October Weather8°C (46°F)87 mm (3.4 inches)90%low
November Weather4°C (39°F)59 mm (2.3 inches)91%low
December Weather-1°C (31°F)54 mm (2.1 inches)90%low

Compare Mustla's Climate with Cities Worldwide