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December Weather in Mastaiciai, Lithuania

Last updated: August 23, 2025

In Mastaiciai, Lithuania, the average temperature in December hovers around 0°C (33°F), with extremes ranging from a chilly -14°C (7°F) to a mild 10°C (51°F). Expect about 55 mm (2.2 in) of precipitation spread over 13 days, contributing to the area's significant average humidity of 95%. Prepare for a brisk and damp month!

December Temperature in Mastaiciai

In December in Mastaiciai, the average temperature is 0°C (33°F). The maximum can reach 10°C (51°F), while the minimum can be as low as -14°C (7°F). Be prepared for chilly weather and pack layers to stay warm during your travels.

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

The chart illustrates December temperature patterns in Mastaiciai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mastaiciai, December typically has an average temperature of 0°C (33°F), with highs reaching up to 10°C (51°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec303036455565666557484032
Data source: Temperature data for Mastaiciai 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 Mastaiciai

In Mastaiciai in December, the precipitation amount is 55 mm (2.2 in) spread over 13 days.

December Precipitation Trends in Mastaiciai

The chart displays monthly precipitation patterns in Mastaiciai, 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 Mastaiciai, December typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec493744466354908165664655
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mastaiciai

In Mastaiciai in December, humidity is 95%. With an average temperature of 0°C (33°F), this humidity feels like you are wrapped in a cold, damp blanket, making travel uncomfortable and chilling to the bone.

December Average Humidity in Mastaiciai

This chart illustrates the average monthly humidity levels in Mastaiciai, 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 Mastaiciai is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%90%86%72%74%76%74%83%91%93%95%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mastaiciai

In Mastaiciai 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 Mastaiciai.

Maximum UV Index Levels in Mastaiciai for December

The chart shows the monthly maximum UV Index (UVI) for Mastaiciai 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 Mastaiciai typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765321
Data source: Mastaiciai 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 Mastaiciai Compares to Other Months

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

This table compares monthly weather conditions in Mastaiciai, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)49 mm (1.9 inches)94%low
February Weather-1°C (31°F)37 mm (1.5 inches)92%low
March Weather2°C (36°F)44 mm (1.7 inches)90%moderate
April Weather7°C (45°F)46 mm (1.8 inches)86%moderate
May Weather13°C (55°F)63 mm (2.5 inches)72%high
June Weather18°C (66°F)54 mm (2.1 inches)74%high
July Weather19°C (66°F)90 mm (3.6 inches)76%high
August Weather18°C (65°F)80 mm (3.2 inches)74%high
September Weather14°C (57°F)65 mm (2.5 inches)83%moderate
October Weather9°C (49°F)66 mm (2.6 inches)91%moderate
November Weather5°C (41°F)45 mm (1.8 inches)93%low
December Weather0°C (33°F)55 mm (2.2 inches)95%low

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