December Weather in Zastron, South Africa

Last updated: August 31, 2025

In December, the average temperature in Zastron, South Africa hovers around 21°C (70°F), offering a pleasant climate for outdoor activities. However, temperatures can range from a brisk 6°C (44°F) to a scorching 38°C (100°F). Expect about 140 mm (5.5 in) of precipitation over 12 days, contributing to an average humidity level of 83%. Whether you’re seeking warmth or a refreshing shower, this month packs a bit of everything!

December Temperature in Zastron

In December in Zastron, the average temperature is 21°C (70°F). Maximums can reach 38°C (100°F) and minimums can dip as low as 6°C (44°F). This makes it a perfect time for travelers to enjoy a diverse range of activities, from exploring outdoor attractions to experiencing the local culture.

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

The chart illustrates December 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, December typically has an average temperature of 21°C (70°F), with highs reaching up to 38°C (100°F) and lows dropping to around 6°C (44°F).

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

December Precipitation in Zastron

In Zastron in December, the total precipitation amount is 140 mm (5.5 in) over the course of 12 days.

December Precipitation Trends in Zastron

The chart displays monthly precipitation patterns in Zastron, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Zastron, December typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Zastron

In Zastron in December humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

December Average Humidity in Zastron

This chart illustrates the average monthly humidity levels in Zastron, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Zastron is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Zastron

In Zastron in December, 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 Zastron.

Maximum UV Index Levels in Zastron for December

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

Data source: Zastron December 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 December 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 December’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 December’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