January Weather in Jansenville, South Africa

Last updated: August 31, 2025

In Jansenville, South Africa, the average temperature in January hovers around 24°C (76°F), with a comfortable humidity level of 76%. However, temperatures can vary significantly, ranging from a brisk 11°C (53°F) to a sweltering 44°C (112°F). Expect to see some precipitation, with an average of 26 mm (1.0 in) falling over 6 days throughout the month.

January Temperature in Jansenville

In January in Jansenville, the average temperature is 24°C (76°F). Maximum temperatures can reach 44°C (112°F), while minimum temperatures can drop as low as 11°C (53°F). Be prepared for a wide range of temperatures while traveling, and ensure you pack accordingly for both warm days and cooler evenings.

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

The chart illustrates January temperature patterns in Jansenville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jansenville, January typically has an average temperature of 24°C (76°F), with highs reaching up to 44°C (112°F) and lows dropping to around 11°C (53°F).

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

January Precipitation in Jansenville

In Jansenville in January, the precipitation amount is 26 mm (1.0 in) over the course of 6 days.

January Precipitation Trends in Jansenville

The chart displays monthly precipitation patterns in Jansenville, 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 Jansenville, January typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 6 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 Jansenville

In Jansenville in January, humidity is 76%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace that can quickly lead to discomfort for traveling, making long walks and outdoor activities feel exhausting and sticky.

January Average Humidity in Jansenville

This chart illustrates the average monthly humidity levels in Jansenville, 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 Jansenville is approximately 76%, 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 Jansenville

In Jansenville in January, 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 Jansenville.

Maximum UV Index Levels in Jansenville for January

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

Data source: Jansenville 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 Jansenville Compares to Other Months

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

This table compares monthly weather conditions in Jansenville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	26 mm (1.0 inches)	76%	extreme
February Weather	24°C (75°F)	43 mm (1.7 inches)	75%	extreme
March Weather	22°C (73°F)	28 mm (1.1 inches)	84%	extreme
April Weather	19°C (66°F)	30 mm (1.2 inches)	84%	very high
May Weather	16°C (62°F)	13 mm (0.5 inches)	83%	high
June Weather	14°C (58°F)	3 mm (0.1 inches)	79%	moderate
July Weather	13°C (56°F)	8 mm (0.3 inches)	77%	moderate
August Weather	14°C (57°F)	9 mm (0.4 inches)	68%	high
September Weather	17°C (62°F)	20 mm (0.8 inches)	77%	very high
October Weather	19°C (67°F)	24 mm (1.0 inches)	72%	extreme
November Weather	20°C (69°F)	25 mm (1.0 inches)	73%	extreme
December Weather	22°C (72°F)	43 mm (1.7 inches)	73%	extreme