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December Weather in Ilja, Belarus

Last updated: August 22, 2025

During December, the average temperature in Ilja, Belarus hovers around -1°C (30°F). However, temperatures can plunge as low as -18°C (1°F) or rise to a maximum of 8°C (47°F). The month is also characterized by 62 mm (2.4 in) of precipitation spread over approximately 15 days, contributing to an average humidity level of 94%. Be prepared for a chilly and damp climate!

December Temperature in Ilja

In December in Ilja, average temperature is -1°C (30°F). Maximum can reach 8°C (47°F) and minimum can be as low as -18°C (1°F). Travelers should be prepared for cold conditions and dress warmly if visiting during this time.

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

The chart illustrates December temperature patterns in Ilja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ilja, December typically has an average temperature of -1°C (30°F), with highs reaching up to 8°C (47°F) and lows dropping to around -18°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec262734445465656455473730
Data source: Temperature data for Ilja 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 Ilja

In Ilja in December, the precipitation amount is 62 mm (2.4 in) over the course of 15 days.

December Precipitation Trends in Ilja

The chart displays monthly precipitation patterns in Ilja, 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 Ilja, December typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec473547436061979266585462
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ilja

In Ilja in December humidity is 94%. With an average temperature of -1°C (30°F), this humidity feels like a chilling blanket that wraps around you, making every outdoor excursion uncomfortable and damp, as you battle the cold air that clings to your skin and seeps into your clothes.

December Average Humidity in Ilja

This chart illustrates the average monthly humidity levels in Ilja, 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 Ilja is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%90%86%70%75%75%74%85%92%93%94%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ilja

In Ilja 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 Ilja.

Maximum UV Index Levels in Ilja for December

The chart shows the monthly maximum UV Index (UVI) for Ilja 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 Ilja typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568765321
Data source: Ilja 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 Ilja Compares to Other Months

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

This table compares monthly weather conditions in Ilja, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)47 mm (1.9 inches)94%low
February Weather-3°C (27°F)35 mm (1.4 inches)92%low
March Weather1°C (34°F)47 mm (1.9 inches)90%moderate
April Weather7°C (44°F)43 mm (1.7 inches)86%moderate
May Weather12°C (54°F)60 mm (2.3 inches)70%high
June Weather18°C (65°F)60 mm (2.4 inches)75%very high
July Weather18°C (65°F)97 mm (3.8 inches)75%high
August Weather18°C (64°F)92 mm (3.6 inches)74%high
September Weather13°C (56°F)66 mm (2.6 inches)85%moderate
October Weather8°C (47°F)58 mm (2.3 inches)92%moderate
November Weather3°C (38°F)54 mm (2.1 inches)93%low
December Weather-1°C (30°F)62 mm (2.4 inches)94%low

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