December Weather in Secunda, South Africa

Last updated: August 31, 2025

In December, the average temperature in Secunda, South Africa is a pleasant 20°C (68°F). Expect low temperatures to dip to a brisk 9°C (48°F), while highs can reach toasty 34°C (93°F). During this month, precipitation averages around 160 mm (6.3 in), falling on 19 days, and the average humidity hovers at a comfortable 81%.

December Temperature in Secunda

In December in Secunda, the average temperature is 20°C (68°F). Maximums can reach 34°C (93°F), and minimums can drop as low as 9°C (48°F). This makes Secunda an ideal destination for travelers seeking a comfortable climate with a range of temperatures suitable for various activities.

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

The chart illustrates December temperature patterns in Secunda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Secunda, December typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (48°F).

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

December Precipitation in Secunda

In Secunda in December, the precipitation amount is 160 mm (6.3 in), occurring over a period of 19 days.

December Precipitation Trends in Secunda

The chart displays monthly precipitation patterns in Secunda, 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 Secunda, December typically receives around 160 mm (6.3 inches) of precipitation spread over approximately 19 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 Secunda

In Secunda in December humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

December Average Humidity in Secunda

This chart illustrates the average monthly humidity levels in Secunda, 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 Secunda 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 Secunda

In Secunda in December, 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 Secunda.

Maximum UV Index Levels in Secunda for December

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

Data source: Secunda 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 Secunda Compares to Other Months

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

This table compares monthly weather conditions in Secunda, 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 (68°F)	117 mm (4.6 inches)	79%	extreme
February Weather	20°C (68°F)	123 mm (4.8 inches)	77%	extreme
March Weather	19°C (66°F)	61 mm (2.4 inches)	77%	extreme
April Weather	16°C (61°F)	59 mm (2.3 inches)	81%	extreme
May Weather	13°C (56°F)	16 mm (0.6 inches)	82%	very high
June Weather	10°C (51°F)	6 mm (0.2 inches)	73%	high
July Weather	10°C (51°F)	1 mm (0.0 inches)	71%	high
August Weather	14°C (57°F)	4 mm (0.1 inches)	68%	very high
September Weather	17°C (64°F)	17 mm (0.7 inches)	74%	extreme
October Weather	18°C (65°F)	68 mm (2.7 inches)	74%	extreme
November Weather	19°C (67°F)	113 mm (4.4 inches)	82%	extreme
December Weather	20°C (68°F)	160 mm (6.3 inches)	81%	extreme