December Weather in Rumbek, South Sudan

Last updated: August 31, 2025

In Rumbek, South Sudan, the average temperature in December hovers around 30°C (86°F), with daily variations ranging from a comfortable minimum of 20°C (68°F) to a sizzling maximum of 39°C (103°F). Rainfall is quite scarce, with only 1 mm (0.0 in) of precipitation expected over 0 days. The average humidity sits at a pleasant 62%, making it an inviting time to enjoy the great outdoors!

December Temperature in Rumbek

In December in Rumbek, the average temperature is 30°C (86°F). Maximum temperatures can reach 39°C (103°F), while the minimum can drop to as low as 20°C (68°F). Be prepared for hot days and mild evenings, making it an ideal time for outdoor adventures and exploring the vibrant sights of Rumbek.

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

The chart illustrates December temperature patterns in Rumbek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rumbek, December typically has an average temperature of 30°C (86°F), with highs reaching up to 39°C (103°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec878991898582797979818486
Data source: Temperature data for Rumbek 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 Rumbek

In Rumbek in December, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

December Precipitation Trends in Rumbek

The chart displays monthly precipitation patterns in Rumbek, 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 Rumbek, December typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec041631118103138169154112191
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rumbek

In Rumbek in December, humidity is 62%. With an average temperature of 30°C (86°F), this humidity feels like a warm, oppressive embrace, making travel slightly uncomfortable as you navigate the thick air that clings to your skin.

December Average Humidity in Rumbek

This chart illustrates the average monthly humidity levels in Rumbek, 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 Rumbek is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec33%23%34%58%79%84%85%87%86%88%83%62%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rumbek

In Rumbek in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Rumbek.

Maximum UV Index Levels in Rumbek for December

The chart shows the monthly maximum UV Index (UVI) for Rumbek 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 Rumbek typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121313141312121413121010
Data source: Rumbek 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 Rumbek Compares to Other Months

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

This table compares monthly weather conditions in Rumbek, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather30°C (87°F)0 mm (0.0 inches)33%extreme
February Weather32°C (89°F)4 mm (0.2 inches)23%extreme
March Weather33°C (91°F)16 mm (0.6 inches)34%extreme
April Weather32°C (89°F)31 mm (1.2 inches)58%extreme
May Weather29°C (85°F)118 mm (4.7 inches)79%extreme
June Weather28°C (82°F)103 mm (4.0 inches)84%extreme
July Weather26°C (79°F)137 mm (5.4 inches)85%extreme
August Weather26°C (79°F)169 mm (6.7 inches)87%extreme
September Weather26°C (80°F)154 mm (6.0 inches)86%extreme
October Weather27°C (81°F)112 mm (4.4 inches)88%extreme
November Weather29°C (84°F)19 mm (0.7 inches)82%very high
December Weather30°C (86°F)1 mm (0.0 inches)62%very high

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