January Weather in Boksburg, South Africa

Last updated: August 31, 2025

In Boksburg, South Africa, the average temperature in January hovers around 20°C (69°F), offering a pleasant climate for outdoor activities. Temperatures can dip as low as 9°C (48°F) and soar up to 33°C (91°F). Expect an average precipitation of 124 mm (4.9 in) over approximately 14 days, with humidity levels reaching a comfortable 79%. Stay prepared and enjoy the beauty of Boksburg this season!

January Temperature in Boksburg

In January in Boksburg, the average temperature is 20°C (69°F). Maximum temperatures can reach 33°C (91°F), while the minimum can drop as low as 9°C (48°F). This varied climate makes Boksburg a great destination for travelers looking to enjoy mild days and cool evenings.

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

The chart illustrates January temperature patterns in Boksburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boksburg, January typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 9°C (48°F).

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

January Precipitation in Boksburg

In Boksburg in January, the precipitation amount is 124 mm (4.9 in) over a span of 14 days.

January Precipitation Trends in Boksburg

The chart displays monthly precipitation patterns in Boksburg, 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 Boksburg, January typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Boksburg

In Boksburg in January humidity is 79%. With an average temperature of 20°C (69°F), this humidity feels like a warm, steamy embrace, making travel slightly uncomfortable as the air feels heavy and sticky, often leaving you yearning for a cool breeze or air conditioning to escape the dampness.

January Average Humidity in Boksburg

This chart illustrates the average monthly humidity levels in Boksburg, 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 Boksburg is approximately 79%, 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 Boksburg

In Boksburg in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Boksburg.

Maximum UV Index Levels in Boksburg for January

The chart shows the monthly maximum UV Index (UVI) for Boksburg 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 Boksburg typically reaches 15, which falls under the extreme exposure category.

Data source: Boksburg 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 Boksburg Compares to Other Months

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

This table compares monthly weather conditions in Boksburg, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	124 mm (4.9 inches)	79%	extreme
February Weather	20°C (68°F)	134 mm (5.3 inches)	77%	extreme
March Weather	19°C (66°F)	74 mm (2.9 inches)	77%	extreme
April Weather	16°C (62°F)	60 mm (2.4 inches)	81%	very high
May Weather	13°C (56°F)	14 mm (0.5 inches)	82%	high
June Weather	11°C (51°F)	5 mm (0.2 inches)	73%	high
July Weather	10°C (51°F)	2 mm (0.1 inches)	71%	high
August Weather	14°C (57°F)	3 mm (0.1 inches)	68%	very high
September Weather	18°C (64°F)	9 mm (0.4 inches)	74%	extreme
October Weather	19°C (66°F)	64 mm (2.5 inches)	74%	extreme
November Weather	20°C (68°F)	95 mm (3.7 inches)	82%	extreme
December Weather	20°C (69°F)	147 mm (5.8 inches)	81%	extreme