January Weather in Zastron, South Africa

Last updated: August 31, 2025

In Zastron, South Africa, the average temperature in January hovers around 21°C (71°F), with daytime highs reaching up to 36°C (98°F) and nighttime lows dipping to 8°C (47°F). Expect an average precipitation of 132 mm (5.2 in) spread over 12 days, contributing to a notably high average humidity of 83%. Perfect for those who enjoy a warm yet sometimes rainy atmosphere!

January Temperature in Zastron

In January in Zastron, the average temperature is 21°C (71°F), with maximums that can reach 36°C (98°F) and minimums dipping as low as 8°C (47°F). It's advisable to pack a variety of clothing to accommodate both warm and cooler conditions while traveling.

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

The chart illustrates January temperature patterns in Zastron, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zastron, January typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (98°F) and lows dropping to around 8°C (47°F).

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

January Precipitation in Zastron

In Zastron in January, the precipitation amount is 132 mm (5.2 in) over the course of 12 days.

January Precipitation Trends in Zastron

The chart displays monthly precipitation patterns in Zastron, 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 Zastron, January typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Zastron

In Zastron in January humidity is 83%. With an average temperature of 21°C (71°F), this humidity feels like walking through a warm mist, making travel both refreshing and slightly uncomfortable as the air clings to your skin and you find yourself needing to take frequent breaks to hydrate.

January Average Humidity in Zastron

This chart illustrates the average monthly humidity levels in Zastron, 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 Zastron is approximately 83%, 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 Zastron

In Zastron 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 Zastron.

Maximum UV Index Levels in Zastron for January

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

Data source: Zastron 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 Zastron Compares to Other Months

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

This table compares monthly weather conditions in Zastron, 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 (71°F)	132 mm (5.2 inches)	83%	extreme
February Weather	20°C (68°F)	194 mm (7.6 inches)	83%	extreme
March Weather	18°C (65°F)	114 mm (4.5 inches)	86%	extreme
April Weather	15°C (59°F)	114 mm (4.5 inches)	88%	very high
May Weather	11°C (52°F)	25 mm (1.0 inches)	87%	high
June Weather	8°C (47°F)	5 mm (0.2 inches)	83%	moderate
July Weather	8°C (46°F)	6 mm (0.2 inches)	74%	moderate
August Weather	10°C (51°F)	14 mm (0.5 inches)	63%	very high
September Weather	15°C (60°F)	10 mm (0.4 inches)	71%	extreme
October Weather	17°C (63°F)	56 mm (2.2 inches)	72%	extreme
November Weather	19°C (67°F)	73 mm (2.9 inches)	78%	extreme
December Weather	21°C (70°F)	140 mm (5.5 inches)	83%	extreme