January Weather in Tonj, South Sudan

Last updated: August 31, 2025

In January, the average temperature in Tonj, South Sudan is a warm 30°C (86°F). However, be prepared for extremes, as temperatures can dip to a minimum of 19°C (66°F) and soar to a maximum of 41°C (105°F). Fortunately, you can expect clear skies with 0 mm (0.0 in) of precipitation over 0 days and an inviting average humidity of only 33%.

January Temperature in Tonj

In January in Tonj, the average temperature is 30°C (86°F), with a maximum that can reach 41°C (105°F) and a minimum that can drop to 19°C (66°F). This warm climate makes Tonj an ideal destination for travelers seeking sunny adventures and outdoor activities.

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

The chart illustrates January 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, January typically has an average temperature of 30°C (86°F), with highs reaching up to 41°C (105°F) and lows dropping to around 19°C (66°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.

January Precipitation in Tonj

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

January Precipitation Trends in Tonj

The chart displays monthly precipitation patterns in Tonj, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Tonj, January typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec041531100109149158140105130
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Tonj

In Tonj in January humidity is 33%. With an average temperature of 30°C (86°F), this humidity feels like a warm embrace, making it comfortable for traveling and allowing you to explore without feeling overly sticky or fatigued.

January Average Humidity in Tonj

This chart illustrates the average monthly humidity levels in Tonj, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Tonj is approximately 33%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Tonj

In Tonj in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Tonj.

Maximum UV Index Levels in Tonj for January

The chart shows the monthly maximum UV Index (UVI) for Tonj in January, 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 January, the maximum UV index in Tonj typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111313141412131413121010
Data source: Tonj January 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 January 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 January’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 January’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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