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December Weather in Reni, Ukraine

Last updated: August 28, 2025

In December, the average temperature in Reni, Ukraine hovers around 3°C (38°F), making it a chilly time of year. Expect minimum temperatures to dip as low as -9°C (17°F), while the maximum can rise to a cozy 16°C (61°F). During this month, precipitation measures about 50 mm (2.0 in) spread over 9 days, and you'll likely encounter an average humidity level of 86%.

December Temperature in Reni

In December in Reni, the average temperature is 3°C (38°F). Maximums can reach 16°C (61°F), while minimums can drop as low as -9°C (17°F). Be sure to pack warm clothing for your trip to Reni during this time!

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

The chart illustrates December temperature patterns in Reni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Reni, December typically has an average temperature of 3°C (38°F), with highs reaching up to 16°C (61°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec323743536472757768564637
Data source: Temperature data for Reni 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 Reni

In Reni in December, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

December Precipitation Trends in Reni

The chart displays monthly precipitation patterns in Reni, 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 Reni, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec283137384379471925453250
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Reni

In Reni in December humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.

December Average Humidity in Reni

This chart illustrates the average monthly humidity levels in Reni, 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 Reni is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%76%73%68%65%53%61%77%85%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Reni

In Reni in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Reni, you can visit Hourly UV Index in Reni.

Maximum UV Index Levels in Reni for December

The chart shows the monthly maximum UV Index (UVI) for Reni 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 Reni typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Reni 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 Reni Compares to Other Months

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

This table compares monthly weather conditions in Reni, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)28 mm (1.1 inches)87%low
February Weather3°C (37°F)31 mm (1.2 inches)83%moderate
March Weather6°C (43°F)37 mm (1.4 inches)80%moderate
April Weather12°C (53°F)38 mm (1.5 inches)76%high
May Weather18°C (64°F)43 mm (1.7 inches)73%very high
June Weather22°C (73°F)79 mm (3.1 inches)68%very high
July Weather24°C (76°F)47 mm (1.8 inches)65%very high
August Weather25°C (77°F)18 mm (0.7 inches)53%very high
September Weather20°C (68°F)25 mm (1.0 inches)61%high
October Weather13°C (56°F)45 mm (1.8 inches)77%moderate
November Weather8°C (46°F)32 mm (1.2 inches)85%moderate
December Weather3°C (38°F)50 mm (2.0 inches)86%low

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