January Weather in Caledon, South Africa

Last updated: August 31, 2025

In January, the average temperature in Caledon, South Africa is a pleasant 21°C (71°F). Expect a minimum of 12°C (54°F) and a maximum that can soar up to 39°C (103°F). The region experiences 29 mm (1.1 in) of precipitation spread over about 5 days, with an average humidity level of 77%. Enjoy the mix of warm days and humid evenings!

January Temperature in Caledon

In January in Caledon, the average temperature is 21°C (71°F). Maximum can reach 39°C (103°F) and minimum can be as low as 12°C (54°F). This makes it an ideal time for travelers seeking a warm climate with a comfortable range of temperatures.

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

The chart illustrates January temperature patterns in Caledon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caledon, January typically has an average temperature of 21°C (71°F), with highs reaching up to 39°C (103°F) and lows dropping to around 12°C (54°F).

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

January Precipitation in Caledon

In Caledon in January, the total precipitation amount is 29 mm (1.1 in) recorded over a span of 5 days.

January Precipitation Trends in Caledon

The chart displays monthly precipitation patterns in Caledon, 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 Caledon, January typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 5 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 Caledon

In Caledon in January, humidity is 77%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace that envelops you, making it both refreshing and slightly heavy, which can be a bit tiring for traveling.

January Average Humidity in Caledon

This chart illustrates the average monthly humidity levels in Caledon, 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 Caledon is approximately 77%, 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 Caledon

In Caledon in January, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Caledon, you can check here.

Maximum UV Index Levels in Caledon for January

The chart shows the monthly maximum UV Index (UVI) for Caledon 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 Caledon typically reaches 14, which falls under the extreme exposure category.

Data source: Caledon 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 Caledon Compares to Other Months

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

This table compares monthly weather conditions in Caledon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (71°F)	29 mm (1.1 inches)	77%	extreme
February Weather	22°C (71°F)	16 mm (0.6 inches)	80%	extreme
March Weather	20°C (68°F)	32 mm (1.2 inches)	81%	extreme
April Weather	17°C (63°F)	21 mm (0.8 inches)	80%	high
May Weather	15°C (59°F)	56 mm (2.2 inches)	78%	moderate
June Weather	13°C (55°F)	54 mm (2.1 inches)	79%	moderate
July Weather	12°C (53°F)	58 mm (2.3 inches)	80%	moderate
August Weather	12°C (53°F)	58 mm (2.3 inches)	77%	moderate
September Weather	14°C (57°F)	35 mm (1.4 inches)	76%	very high
October Weather	16°C (62°F)	42 mm (1.6 inches)	77%	extreme
November Weather	18°C (64°F)	42 mm (1.7 inches)	75%	extreme
December Weather	20°C (68°F)	27 mm (1.1 inches)	77%	extreme