January Weather in Bultfontein, South Africa

Last updated: August 31, 2025

In January, the average temperature in Bultfontein, South Africa hovers around 23°C (74°F). Expect a minimum temperature of 11°C (52°F) and a maximum peak of 38°C (101°F), making it quite a range. Be prepared for some rain as well, with 82 mm (3.2 in) of precipitation expected over 9 days. The average humidity stands at a cozy 75%, adding to the climate's overall warmth.

January Temperature in Bultfontein

In January in Bultfontein, the average temperature is 23°C (74°F). Maximums can reach 38°C (101°F), while minimums can dip to as low as 11°C (52°F). This variety in temperatures makes it essential for travelers to pack both light clothing for the warm days and warmer layers for the cooler evenings.

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

The chart illustrates January temperature patterns in Bultfontein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bultfontein, January typically has an average temperature of 23°C (74°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (52°F).

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

January Precipitation in Bultfontein

In Bultfontein in January, the total precipitation amount is 82 mm (3.2 in), occurring over a span of 9 days.

January Precipitation Trends in Bultfontein

The chart displays monthly precipitation patterns in Bultfontein, 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 Bultfontein, January typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 9 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 Bultfontein

In Bultfontein in January, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

January Average Humidity in Bultfontein

This chart illustrates the average monthly humidity levels in Bultfontein, 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 Bultfontein is approximately 75%, 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 Bultfontein

In Bultfontein 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 Bultfontein.

Maximum UV Index Levels in Bultfontein for January

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

Data source: Bultfontein 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 Bultfontein Compares to Other Months

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

This table compares monthly weather conditions in Bultfontein, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	82 mm (3.2 inches)	75%	extreme
February Weather	22°C (72°F)	114 mm (4.5 inches)	74%	extreme
March Weather	21°C (69°F)	66 mm (2.6 inches)	79%	extreme
April Weather	17°C (63°F)	65 mm (2.6 inches)	83%	very high
May Weather	13°C (56°F)	9 mm (0.3 inches)	84%	high
June Weather	10°C (50°F)	5 mm (0.2 inches)	79%	moderate
July Weather	9°C (49°F)	3 mm (0.1 inches)	69%	high
August Weather	12°C (54°F)	15 mm (0.6 inches)	60%	very high
September Weather	17°C (63°F)	8 mm (0.3 inches)	63%	extreme
October Weather	20°C (68°F)	33 mm (1.3 inches)	61%	extreme
November Weather	22°C (71°F)	51 mm (2.0 inches)	67%	extreme
December Weather	23°C (74°F)	91 mm (3.6 inches)	75%	extreme