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December Weather in Joniskis, Lithuania

Last updated: August 23, 2025

In Joniskis, Lithuania, the average temperature in December hovers around 0°C (32°F). Expect chilly days with a minimum temperature plummeting to -17°C (1°F) and a maximum reaching 10°C (50°F). With 49 mm (1.9 in) of precipitation spread across 13 days, and average humidity at a brisk 93%, be prepared for damp and crisp conditions!

December Temperature in Joniskis

In December in Joniskis, the average temperature is 0°C (32°F). Maximums can reach 10°C (50°F) and minimums can be as low as -17°C (1°F). Be prepared for cold weather and dress warmly when traveling during this time.

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

The chart illustrates December temperature patterns in Joniskis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joniskis, December typically has an average temperature of 0°C (32°F), with highs reaching up to 10°C (50°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec302935445364656456484032
Data source: Temperature data for Joniskis 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 Joniskis

In Joniskis in December, the precipitation amount is 49 mm (1.9 in) over the course of 13 days.

December Precipitation Trends in Joniskis

The chart displays monthly precipitation patterns in Joniskis, 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 Joniskis, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec413445356453897462615249
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Joniskis

In Joniskis in December, humidity is 93%. With an average temperature of 0°C (32°F), this humidity feels like a bone-chilling cold that seeps into your clothes, making every step outside feel damp and uncomfortable for traveling.

December Average Humidity in Joniskis

This chart illustrates the average monthly humidity levels in Joniskis, 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 Joniskis is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%90%87%72%76%76%80%87%91%92%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Joniskis

In Joniskis 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 Joniskis.

Maximum UV Index Levels in Joniskis for December

The chart shows the monthly maximum UV Index (UVI) for Joniskis 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 Joniskis typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764321
Data source: Joniskis 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 Joniskis Compares to Other Months

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

This table compares monthly weather conditions in Joniskis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)41 mm (1.6 inches)93%low
February Weather-1°C (30°F)34 mm (1.4 inches)91%low
March Weather2°C (35°F)45 mm (1.8 inches)90%moderate
April Weather7°C (44°F)35 mm (1.4 inches)87%moderate
May Weather12°C (53°F)64 mm (2.5 inches)72%high
June Weather18°C (64°F)53 mm (2.1 inches)76%high
July Weather18°C (65°F)88 mm (3.5 inches)76%high
August Weather18°C (64°F)74 mm (2.9 inches)80%high
September Weather13°C (57°F)62 mm (2.4 inches)87%moderate
October Weather9°C (48°F)60 mm (2.4 inches)91%moderate
November Weather4°C (40°F)52 mm (2.0 inches)92%low
December Weather0°C (32°F)49 mm (1.9 inches)93%low

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