December Weather in Frankfort, South Africa

Last updated: August 31, 2025

In Frankfort, South Africa, the average temperature in December hovers around 20°C (69°F). Expect pleasant variances, with minimums dipping to 10°C (50°F) and maximums soaring to 36°C (96°F). However, be prepared for wet weather, as precipitation averages 153 mm (6.0 in) across 17 days of the month. With an average humidity of 81%, it's a time when the air feels both warm and vibrant.

December Temperature in Frankfort

In December in Frankfort, the average temperature is 20°C (69°F). Maximum can reach 36°C (96°F) and minimum can be as low as 10°C (50°F). Be sure to pack for warm days and cooler evenings while exploring Frankfort.

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

The chart illustrates December temperature patterns in Frankfort, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frankfort, December typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (96°F) and lows dropping to around 10°C (50°F).

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

December Precipitation in Frankfort

In Frankfort in December, the precipitation amount is 153 mm (6.0 in) spread over 17 days.

December Precipitation Trends in Frankfort

The chart displays monthly precipitation patterns in Frankfort, 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 Frankfort, December typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 17 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Frankfort

In Frankfort 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 Frankfort

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

In Frankfort 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 Frankfort.

Maximum UV Index Levels in Frankfort for December

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

Data source: Frankfort 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 Frankfort Compares to Other Months

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

This table compares monthly weather conditions in Frankfort, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	100 mm (3.9 inches)	79%	extreme
February Weather	21°C (69°F)	113 mm (4.5 inches)	77%	extreme
March Weather	19°C (67°F)	71 mm (2.8 inches)	77%	extreme
April Weather	16°C (61°F)	63 mm (2.5 inches)	81%	extreme
May Weather	13°C (55°F)	11 mm (0.4 inches)	82%	high
June Weather	10°C (50°F)	8 mm (0.3 inches)	73%	moderate
July Weather	10°C (50°F)	2 mm (0.1 inches)	71%	high
August Weather	13°C (56°F)	6 mm (0.3 inches)	68%	very high
September Weather	17°C (63°F)	9 mm (0.3 inches)	74%	extreme
October Weather	19°C (66°F)	64 mm (2.5 inches)	74%	extreme
November Weather	20°C (68°F)	105 mm (4.1 inches)	82%	extreme
December Weather	20°C (69°F)	153 mm (6.0 inches)	81%	extreme