January Weather in Ermelo, South Africa

Last updated: August 31, 2025

In Ermelo, South Africa, the average temperature in January hovers around 18°C (65°F), with a minimum dipping to 7°C (45°F) and a maximum soaring to 30°C (87°F). Expect 110 mm (4.3 in) of precipitation spread over approximately 13 days, creating an ambiance of lushness. The air is fairly humid, with an average humidity level of 79%, making for a rich and vibrant environment.

January Temperature in Ermelo

In January, in Ermelo, the average temperature is 18°C (65°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as 7°C (45°F). This climate makes Ermelo an ideal destination for travelers seeking pleasant weather and a range of outdoor activities.

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

The chart illustrates January temperature patterns in Ermelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ermelo, January typically has an average temperature of 18°C (65°F), with highs reaching up to 30°C (87°F) and lows dropping to around 7°C (45°F).

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

January Precipitation in Ermelo

In Ermelo in January, the total precipitation amount is 110 mm (4.3 in) over the course of 13 days.

January Precipitation Trends in Ermelo

The chart displays monthly precipitation patterns in Ermelo, 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 Ermelo, January typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 13 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 Ermelo

In Ermelo in January, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

January Average Humidity in Ermelo

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

In Ermelo in January, 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 Ermelo.

Maximum UV Index Levels in Ermelo for January

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

Data source: Ermelo 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 Ermelo Compares to Other Months

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

This table compares monthly weather conditions in Ermelo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	110 mm (4.3 inches)	79%	extreme
February Weather	18°C (66°F)	122 mm (4.8 inches)	77%	extreme
March Weather	17°C (64°F)	61 mm (2.4 inches)	77%	extreme
April Weather	15°C (60°F)	54 mm (2.1 inches)	81%	very high
May Weather	13°C (55°F)	20 mm (0.8 inches)	82%	very high
June Weather	10°C (50°F)	8 mm (0.3 inches)	73%	high
July Weather	10°C (50°F)	2 mm (0.1 inches)	71%	high
August Weather	13°C (56°F)	5 mm (0.2 inches)	68%	very high
September Weather	16°C (62°F)	25 mm (1.0 inches)	74%	extreme
October Weather	17°C (62°F)	73 mm (2.9 inches)	74%	extreme
November Weather	18°C (64°F)	120 mm (4.7 inches)	82%	extreme
December Weather	18°C (65°F)	212 mm (8.3 inches)	81%	extreme