January Weather in Carnarvon, South Africa

Last updated: August 31, 2025

In January, the average temperature in Carnarvon, South Africa reaches a comfortable 25°C (77°F), with a range that can dip to 8°C (47°F) and peak at a steamy 39°C (103°F). Expect 29 mm (1.1 in) of precipitation over about 3 days, and enjoy a pleasant average humidity of around 50%.

January Temperature in Carnarvon

In January, in Carnarvon, the average temperature is 25°C (77°F). The maximum can reach 39°C (103°F), while the minimum can be as low as 8°C (47°F). This climate makes it a great destination for travelers seeking both warmth and cooler evenings.

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

The chart illustrates January temperature patterns in Carnarvon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carnarvon, January typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (103°F) and lows dropping to around 8°C (47°F).

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

January Precipitation in Carnarvon

In Carnarvon in January, the precipitation amount is 29 mm (1.1 in) over the course of 3 days.

January Precipitation Trends in Carnarvon

The chart displays monthly precipitation patterns in Carnarvon, 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 Carnarvon, January typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 3 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 Carnarvon

In Carnarvon in January, humidity is 50%. With an average temperature of 25°C (77°F), this humidity feels like a warm, comfortable embrace, making it ideal for exploring the vibrant streets and enjoying outdoor activities without feeling overwhelmed by heat.

January Average Humidity in Carnarvon

This chart illustrates the average monthly humidity levels in Carnarvon, 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 Carnarvon is approximately 50%, 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 Carnarvon

In Carnarvon 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 Carnarvon.

Maximum UV Index Levels in Carnarvon for January

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

Data source: Carnarvon 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 Carnarvon Compares to Other Months

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

This table compares monthly weather conditions in Carnarvon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	29 mm (1.1 inches)	50%	extreme
February Weather	24°C (75°F)	28 mm (1.1 inches)	55%	extreme
March Weather	22°C (72°F)	12 mm (0.5 inches)	65%	extreme
April Weather	17°C (64°F)	37 mm (1.5 inches)	72%	very high
May Weather	14°C (57°F)	7 mm (0.3 inches)	78%	high
June Weather	10°C (51°F)	3 mm (0.1 inches)	79%	moderate
July Weather	10°C (50°F)	8 mm (0.3 inches)	73%	moderate
August Weather	10°C (51°F)	2 mm (0.1 inches)	64%	high
September Weather	15°C (60°F)	6 mm (0.2 inches)	58%	very high
October Weather	18°C (65°F)	14 mm (0.5 inches)	53%	extreme
November Weather	21°C (69°F)	7 mm (0.3 inches)	42%	extreme
December Weather	23°C (74°F)	23 mm (0.9 inches)	44%	extreme