December Weather in Tonj, South Sudan

Last updated: August 31, 2025

In December, the average temperature in Tonj, South Sudan reaches a warm 30°C (86°F). Expect a minimum of 20°C (68°F) and the possibility of highs reaching 40°C (104°F). With 0 mm (0.0 in) of precipitation over 0 days, the weather is typically dry, complemented by an average humidity of 62%. Enjoy the sunshine!

December Temperature in Tonj

In December in Tonj, the average temperature is 30°C (86°F). Maximums can reach 40°C (104°F), while minimums can be as low as 20°C (68°F). Travelers should be prepared for hot weather and stay hydrated while exploring the area.

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

The chart illustrates December temperature patterns in Tonj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonj, December typically has an average temperature of 30°C (86°F), with highs reaching up to 40°C (104°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec868890898582797979818486
Data source: Temperature data for Tonj 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 Tonj

In Tonj in December, the precipitation amount is 0 mm (0.0 in) during 0 days.

December Precipitation Trends in Tonj

The chart displays monthly precipitation patterns in Tonj, 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 Tonj, December typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec041531100109149158140105130
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tonj

In Tonj 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 Tonj

This chart illustrates the average monthly humidity levels in Tonj, 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 Tonj 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 Tonj

In Tonj 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 Tonj.

Maximum UV Index Levels in Tonj for December

The chart shows the monthly maximum UV Index (UVI) for Tonj 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 Tonj typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111313141412131413121010
Data source: Tonj 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 Tonj Compares to Other Months

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

This table compares monthly weather conditions in Tonj, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather30°C (86°F)0 mm (0.0 inches)33%extreme
February Weather31°C (89°F)4 mm (0.1 inches)23%extreme
March Weather32°C (91°F)15 mm (0.6 inches)34%extreme
April Weather32°C (90°F)31 mm (1.2 inches)58%extreme
May Weather29°C (85°F)100 mm (3.9 inches)79%extreme
June Weather28°C (82°F)109 mm (4.3 inches)84%extreme
July Weather26°C (79°F)149 mm (5.9 inches)85%extreme
August Weather26°C (79°F)158 mm (6.2 inches)87%extreme
September Weather26°C (80°F)140 mm (5.5 inches)86%extreme
October Weather27°C (81°F)105 mm (4.1 inches)88%extreme
November Weather29°C (84°F)13 mm (0.5 inches)82%very high
December Weather30°C (86°F)0 mm (0.0 inches)62%very high

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