January Weather in Harrismith, South Africa

Last updated: August 31, 2025

In January, the average temperature in Harrismith, South Africa hovers around 19°C (66°F), making it a pleasant time to visit. However, be prepared for varying conditions, as temperatures can dip to a minimum of 9°C (48°F) and soar to a maximum of 33°C (92°F). Expect some rain, with an average precipitation of 133 mm (5.2 in) spread over 15 days. Don't forget to keep hydrated, as the average humidity rests at a high 85%.

January Temperature in Harrismith

In January in Harrismith, the average temperature is 19°C (66°F), with maximums that can reach 33°C (92°F) and minimums that can drop as low as 9°C (48°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities in comfortable weather.

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

The chart illustrates January temperature patterns in Harrismith, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harrismith, January typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (48°F).

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

January Precipitation in Harrismith

In Harrismith in January, the total precipitation amount is 133 mm (5.2 in) spread over a duration of 15 days.

January Precipitation Trends in Harrismith

The chart displays monthly precipitation patterns in Harrismith, 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 Harrismith, January typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 15 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 Harrismith

In Harrismith in January humidity is 85%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make outdoor adventures feel more exhausting, as the air weighs heavy and every step can feel like a mini workout.

January Average Humidity in Harrismith

This chart illustrates the average monthly humidity levels in Harrismith, 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 Harrismith is approximately 85%, 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 Harrismith

In Harrismith 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 Harrismith.

Maximum UV Index Levels in Harrismith for January

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

Data source: Harrismith 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 Harrismith Compares to Other Months

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

This table compares monthly weather conditions in Harrismith, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	133 mm (5.2 inches)	85%	extreme
February Weather	19°C (66°F)	156 mm (6.1 inches)	85%	extreme
March Weather	18°C (64°F)	86 mm (3.4 inches)	86%	extreme
April Weather	15°C (59°F)	62 mm (2.5 inches)	87%	very high
May Weather	12°C (54°F)	19 mm (0.7 inches)	88%	high
June Weather	10°C (50°F)	5 mm (0.2 inches)	83%	moderate
July Weather	10°C (49°F)	2 mm (0.1 inches)	74%	high
August Weather	12°C (54°F)	24 mm (1.0 inches)	66%	very high
September Weather	15°C (60°F)	25 mm (1.0 inches)	75%	extreme
October Weather	16°C (62°F)	73 mm (2.9 inches)	80%	extreme
November Weather	18°C (64°F)	108 mm (4.3 inches)	86%	extreme
December Weather	18°C (65°F)	172 mm (6.8 inches)	86%	extreme