December Weather in Benoni, South Africa

Last updated: August 31, 2025

In December, the average temperature in Benoni, South Africa hovers around 20°C (69°F). Expect a range where the minimum dips to 10°C (50°F) and the maximum can soar to 34°C (93°F). During this time, precipitation averages 147 mm (5.8 in) over 16 days, accompanied by a high average humidity of 81%. Stay prepared for a mix of warmth and moisture!

December Temperature in Benoni

In December in Benoni, the average temperature is 20°C (69°F). Maximum temperatures can reach up to 34°C (93°F), while the minimum can drop as low as 10°C (50°F). This makes it an ideal time for travelers to enjoy outdoor activities while being prepared for varying temperatures.

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

The chart illustrates December temperature patterns in Benoni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Benoni, December typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (50°F).

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

December Precipitation in Benoni

In Benoni in December, the precipitation amount is 147 mm (5.8 in) spread over 16 days.

December Precipitation Trends in Benoni

The chart displays monthly precipitation patterns in Benoni, 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 Benoni, December typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 16 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Benoni

In Benoni in December, humidity is 81%. With an average temperature of 20°C (69°F), this humidity feels like a thick blanket embracing you, making travel a bit uncomfortable and sticky.

December Average Humidity in Benoni

This chart illustrates the average monthly humidity levels in Benoni, 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 Benoni is approximately 81%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Benoni

In Benoni in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Benoni.

Maximum UV Index Levels in Benoni for December

The chart shows the monthly maximum UV Index (UVI) for Benoni 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 Benoni typically reaches 16, which falls under the extreme exposure category.

Data source: Benoni 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 Benoni Compares to Other Months

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

This table compares monthly weather conditions in Benoni, showing how December’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