January Weather in Rosebank, South Africa

Last updated: August 31, 2025

In January, the average temperature in Rosebank, South Africa is a pleasant 20°C (68°F). You'll experience a comfortable range, with minimums of 15°C (59°F) and maximums reaching 28°C (82°F). Expect a total precipitation of 14 mm (0.6 in) over about 2 days, and enjoy the moderately high average humidity of 77%.

January Temperature in Rosebank

In January in Rosebank, the average temperature is 20°C (68°F). The maximum can reach 28°C (82°F), while the minimum can be as low as 15°C (59°F). This mild climate makes Rosebank an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates January temperature patterns in Rosebank, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosebank, January typically has an average temperature of 20°C (68°F), with highs reaching up to 28°C (82°F) and lows dropping to around 15°C (59°F).

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

January Precipitation in Rosebank

In Rosebank in January, the precipitation amount is 14 mm (0.6 in) over a period of 2 days.

January Precipitation Trends in Rosebank

The chart displays monthly precipitation patterns in Rosebank, 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 Rosebank, January typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 2 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 Rosebank

In Rosebank in January, humidity is 77%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace, making it essential for travelers to stay hydrated and take breaks in shaded areas to avoid feeling sluggish in the heat.

January Average Humidity in Rosebank

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

In Rosebank 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 Rosebank, you can check here.

Maximum UV Index Levels in Rosebank for January

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

Data source: Rosebank 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 Rosebank Compares to Other Months

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

This table compares monthly weather conditions in Rosebank, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	14 mm (0.6 inches)	77%	extreme
February Weather	20°C (68°F)	10 mm (0.4 inches)	80%	extreme
March Weather	19°C (66°F)	24 mm (1.0 inches)	81%	extreme
April Weather	17°C (63°F)	30 mm (1.2 inches)	80%	very high
May Weather	16°C (60°F)	63 mm (2.5 inches)	78%	moderate
June Weather	14°C (58°F)	103 mm (4.1 inches)	79%	moderate
July Weather	14°C (57°F)	95 mm (3.7 inches)	80%	moderate
August Weather	13°C (56°F)	75 mm (3.0 inches)	77%	high
September Weather	15°C (59°F)	45 mm (1.8 inches)	76%	very high
October Weather	16°C (61°F)	41 mm (1.6 inches)	77%	extreme
November Weather	17°C (64°F)	33 mm (1.3 inches)	75%	extreme
December Weather	19°C (66°F)	26 mm (1.0 inches)	77%	extreme