January Weather in Yei, South Sudan

Last updated: August 31, 2025

In Yei, South Sudan, the average temperature in January hovers around 27°C (81°F), with a comfortable minimum of 18°C (65°F) and a peak of 37°C (98°F). You can expect very light precipitation of only 2 mm (0.1 in) over 0 days, making this a dry month to enjoy. The average humidity sits at a pleasant 47%, perfect for outdoor activities.

January Temperature in Yei

In January in Yei, the average temperature is 27°C (81°F). Maximums can reach 37°C (98°F) and minimums can be as low as 18°C (65°F). This makes it a great time to explore outdoor activities while being prepared for both warm days and cooler evenings.

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

The chart illustrates January temperature patterns in Yei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yei, January typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (98°F) and lows dropping to around 18°C (65°F).

Data source: Temperature data for Yei generated using information from the Copernicus Climate Change Service.

January Precipitation in Yei

In Yei in January, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

January Precipitation Trends in Yei

The chart displays monthly precipitation patterns in Yei, 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 Yei, January typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Yei

In Yei in January, humidity is 47%. With an average temperature of 27°C (81°F), this humidity feels like the perfect balance for traveling, providing a comfortable environment for exploring while still allowing for refreshing moments in the shade.

January Average Humidity in Yei

This chart illustrates the average monthly humidity levels in Yei, 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 Yei is approximately 47%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Yei

In Yei in January, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Yei.

Maximum UV Index Levels in Yei for January

The chart shows the monthly maximum UV Index (UVI) for Yei 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 Yei typically reaches 13, which falls under the extreme exposure category.

Data source: Yei 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 Yei Compares to Other Months

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

This table compares monthly weather conditions in Yei, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	2 mm (0.1 inches)	47%	extreme
February Weather	28°C (83°F)	13 mm (0.5 inches)	33%	extreme
March Weather	27°C (81°F)	53 mm (2.1 inches)	33%	extreme
April Weather	26°C (79°F)	111 mm (4.4 inches)	54%	extreme
May Weather	24°C (76°F)	145 mm (5.7 inches)	77%	extreme
June Weather	23°C (75°F)	130 mm (5.1 inches)	75%	extreme
July Weather	23°C (73°F)	167 mm (6.6 inches)	77%	extreme
August Weather	23°C (73°F)	183 mm (7.2 inches)	79%	extreme
September Weather	23°C (74°F)	218 mm (8.6 inches)	84%	extreme
October Weather	23°C (74°F)	231 mm (9.1 inches)	89%	extreme
November Weather	25°C (76°F)	71 mm (2.8 inches)	88%	extreme
December Weather	26°C (79°F)	20 mm (0.8 inches)	80%	extreme