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December Weather in Reka, Croatia

Last updated: August 23, 2025

The average temperature in Reka, Croatia during December is a chilly 3°C (38°F), with minimum temperatures dropping to -7°C (20°F) and maximums reaching 18°C (64°F). Expect about 76 mm (3.0 in) of precipitation over 10 days, and prepare for a notably high average humidity of 89%.

December Temperature in Reka

In December in Reka, the average temperature is 3°C (38°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -7°C (20°F). Travelers should be prepared for a chilly climate, with potential for significant temperature variation throughout the day.

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

The chart illustrates December temperature patterns in Reka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Reka, December typically has an average temperature of 3°C (38°F), with highs reaching up to 18°C (64°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec344045536171737363544538
Data source: Temperature data for Reka 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 Reka

In Reka in December, the total precipitation amount is 76 mm (3.0 in) spread over a period of 10 days.

December Precipitation Trends in Reka

The chart displays monthly precipitation patterns in Reka, 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 Reka, December typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec3159485210786996996697776
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Reka

In Reka in December, humidity is 89%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapping around you, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cold and clammy.

December Average Humidity in Reka

This chart illustrates the average monthly humidity levels in Reka, 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 Reka is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Reka

In Reka 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 Reka, you can visit Hourly UV Index in Reka.

Maximum UV Index Levels in Reka for December

The chart shows the monthly maximum UV Index (UVI) for Reka 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 Reka typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Reka 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 Reka Compares to Other Months

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

This table compares monthly weather conditions in Reka, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)31 mm (1.2 inches)90%low
February Weather4°C (40°F)59 mm (2.3 inches)84%moderate
March Weather7°C (45°F)48 mm (1.9 inches)78%moderate
April Weather12°C (54°F)52 mm (2.0 inches)73%high
May Weather16°C (61°F)107 mm (4.2 inches)71%very high
June Weather22°C (71°F)86 mm (3.4 inches)73%very high
July Weather23°C (73°F)99 mm (3.9 inches)70%very high
August Weather23°C (73°F)69 mm (2.7 inches)60%very high
September Weather17°C (63°F)96 mm (3.8 inches)65%high
October Weather12°C (54°F)69 mm (2.7 inches)84%moderate
November Weather7°C (45°F)77 mm (3.0 inches)89%moderate
December Weather3°C (38°F)76 mm (3.0 inches)89%low

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