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December Weather in Ulyanovsk, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Ulyanovsk, Russian Federation hovers around -7°C (20°F). Expect chilly conditions, with minimums plummeting to -27°C (-17°F) and maximums reaching a mild 5°C (42°F). During this month, 34 mm (1.3 in) of precipitation typically falls over approximately 8 days, contributing to an average humidity of 90%. Stay warm and prepared!

December Temperature in Ulyanovsk

In December in Ulyanovsk, the average temperature is -7°C (20°F). The maximum can reach 5°C (42°F) while the minimum can drop as low as -27°C (-17°F). It’s essential to pack warm clothing and be prepared for freezing conditions if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Ulyanovsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulyanovsk, December typically has an average temperature of -7°C (20°F), with highs reaching up to 5°C (42°F) and lows dropping to around -27°C (-17°F).
JanFebMarAprMayJunJulAugSepOctNovDec161726425765706755453020
Data source: Temperature data for Ulyanovsk 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 Ulyanovsk

In Ulyanovsk in December, the precipitation amount is 34 mm (1.3 in) over a span of 8 days.

December Precipitation Trends in Ulyanovsk

The chart displays monthly precipitation patterns in Ulyanovsk, 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 Ulyanovsk, December typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec353741483652605437443334
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ulyanovsk

In Ulyanovsk in December, humidity is 90%. With an average temperature of -7°C (20°F), this humidity feels like an oppressive chill that seeps into your bones, making travel uncomfortable and your breath visible in the frosty air.

December Average Humidity in Ulyanovsk

This chart illustrates the average monthly humidity levels in Ulyanovsk, 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 Ulyanovsk is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%93%83%71%71%74%71%84%90%94%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ulyanovsk

In Ulyanovsk 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 Ulyanovsk.

Maximum UV Index Levels in Ulyanovsk for December

The chart shows the monthly maximum UV Index (UVI) for Ulyanovsk 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 Ulyanovsk typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec125567775321
Data source: Ulyanovsk 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 Ulyanovsk Compares to Other Months

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

This table compares monthly weather conditions in Ulyanovsk, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)35 mm (1.4 inches)98%low
February Weather-8°C (18°F)36 mm (1.4 inches)96%low
March Weather-3°C (26°F)41 mm (1.6 inches)93%moderate
April Weather5°C (42°F)48 mm (1.9 inches)83%moderate
May Weather14°C (58°F)36 mm (1.4 inches)71%high
June Weather18°C (65°F)52 mm (2.0 inches)71%high
July Weather21°C (71°F)60 mm (2.4 inches)74%high
August Weather19°C (67°F)54 mm (2.1 inches)71%high
September Weather13°C (55°F)37 mm (1.4 inches)84%moderate
October Weather7°C (45°F)44 mm (1.7 inches)90%moderate
November Weather-1°C (30°F)33 mm (1.3 inches)93%low
December Weather-7°C (20°F)34 mm (1.3 inches)90%low

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