December Weather in Juba, South Sudan

Last updated: August 31, 2025

In December, the average temperature in Juba, South Sudan reaches a warm 29°C (85°F). Daily highs can spike to a scorching 38°C (101°F), while the nights bring a refreshing dip to around 21°C (71°F). Expect a modest precipitation of 6 mm (0.2 in) over just 1 day, and feel the warmth with an average humidity level of 81%.

December Temperature in Juba

In December in Juba, the average temperature is 29°C (85°F). Maximums can reach 38°C (101°F), while minimums can be as low as 21°C (71°F). It's an ideal time to explore and enjoy outdoor activities, but be sure to stay hydrated and take breaks in the shade.

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

The chart illustrates December temperature patterns in Juba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Juba, December typically has an average temperature of 29°C (85°F), with highs reaching up to 38°C (101°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec868888868280787879808385
Data source: Temperature data for Juba 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 Juba

In Juba in December, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

December Precipitation Trends in Juba

The chart displays monthly precipitation patterns in Juba, 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 Juba, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec241773128135122125122150376
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Juba

In Juba in December, humidity is 81%. With an average temperature of 29°C (85°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities quite challenging and draining.

December Average Humidity in Juba

This chart illustrates the average monthly humidity levels in Juba, 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 Juba is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec48%35%37%57%79%83%85%87%87%89%88%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Juba

In Juba 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 Juba.

Maximum UV Index Levels in Juba for December

The chart shows the monthly maximum UV Index (UVI) for Juba 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 Juba typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151412111313121110
Data source: Juba 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 Juba Compares to Other Months

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

This table compares monthly weather conditions in Juba, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather30°C (87°F)2 mm (0.1 inches)48%extreme
February Weather31°C (88°F)4 mm (0.2 inches)35%extreme
March Weather31°C (89°F)17 mm (0.7 inches)37%extreme
April Weather30°C (86°F)73 mm (2.9 inches)57%extreme
May Weather28°C (83°F)128 mm (5.1 inches)79%extreme
June Weather27°C (80°F)135 mm (5.3 inches)82%extreme
July Weather26°C (79°F)121 mm (4.8 inches)85%extreme
August Weather26°C (79°F)125 mm (4.9 inches)87%extreme
September Weather26°C (79°F)122 mm (4.8 inches)87%extreme
October Weather26°C (80°F)150 mm (5.9 inches)89%extreme
November Weather28°C (83°F)37 mm (1.5 inches)88%extreme
December Weather29°C (85°F)6 mm (0.2 inches)81%very high

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