January Weather in Modderfontein, South Africa

Last updated: August 31, 2025

In January, the average temperature in Modderfontein, South Africa is a pleasant 21°C (70°F), with a minimum of 10°C (50°F) and a maximum reaching 34°C (93°F). Expect about 115 mm (4.5 in) of precipitation spread over 12 days, contributing to an average humidity of 79%. This blend of warmth and moisture creates a vibrant atmosphere perfect for exploring the area!

January Temperature in Modderfontein

In January in Modderfontein, the average temperature is 21°C (70°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 10°C (50°F). This makes Modderfontein a great destination for travelers seeking comfortable weather and a variety of outdoor activities.

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

The chart illustrates January temperature patterns in Modderfontein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Modderfontein, January typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (50°F).

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

January Precipitation in Modderfontein

In Modderfontein in January, the total precipitation amount is 115 mm (4.5 in) over a span of 12 days.

January Precipitation Trends in Modderfontein

The chart displays monthly precipitation patterns in Modderfontein, 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 Modderfontein, January typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 12 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 Modderfontein

In Modderfontein in January humidity is 79%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor exploration a bit sticky but still enjoyable for travelers who appreciate the lush, vibrant atmosphere.

January Average Humidity in Modderfontein

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

In Modderfontein 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 Modderfontein.

Maximum UV Index Levels in Modderfontein for January

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

Data source: Modderfontein 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 Modderfontein Compares to Other Months

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

This table compares monthly weather conditions in Modderfontein, 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 (70°F)	115 mm (4.5 inches)	79%	extreme
February Weather	21°C (69°F)	126 mm (4.9 inches)	77%	extreme
March Weather	20°C (68°F)	68 mm (2.7 inches)	77%	extreme
April Weather	17°C (63°F)	49 mm (1.9 inches)	81%	very high
May Weather	14°C (58°F)	11 mm (0.4 inches)	82%	high
June Weather	11°C (53°F)	6 mm (0.2 inches)	73%	high
July Weather	11°C (52°F)	2 mm (0.1 inches)	71%	high
August Weather	14°C (58°F)	3 mm (0.1 inches)	68%	very high
September Weather	18°C (65°F)	7 mm (0.3 inches)	74%	extreme
October Weather	19°C (67°F)	54 mm (2.1 inches)	74%	extreme
November Weather	21°C (69°F)	77 mm (3.0 inches)	82%	extreme
December Weather	21°C (69°F)	140 mm (5.5 inches)	81%	extreme