December Weather in Atlantis, South Africa

Last updated: August 31, 2025

In December, the average temperature in Atlantis, South Africa hovers around 21°C (70°F), perfect for enjoying the local sights. However, temperatures can vary significantly, dipping to a minimum of 10°C (51°F) and soaring to a scorching 38°C (101°F). Expect a modest precipitation of 17 mm (0.7 in) over about 3 days, while the average humidity rests comfortably at 60%, making it a pleasant time for outdoor adventures!

December Temperature in Atlantis

In December in Atlantis, the average temperature is 21°C (70°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 10°C (51°F). This range of temperatures makes it a great time for travelers to enjoy outdoor activities while being prepared for both warm and cooler conditions.

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

The chart illustrates December temperature patterns in Atlantis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atlantis, December typically has an average temperature of 21°C (70°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (51°F).

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

December Precipitation in Atlantis

In Atlantis in December, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

December Precipitation Trends in Atlantis

The chart displays monthly precipitation patterns in Atlantis, 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 Atlantis, December typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 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 Atlantis

In Atlantis in December humidity is 60%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, as the air holds onto heat, adding a touch of clamminess that gently envelopes you while exploring.

December Average Humidity in Atlantis

This chart illustrates the average monthly humidity levels in Atlantis, 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 Atlantis is approximately 60%, 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 Atlantis

In Atlantis in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Atlantis, you can check here.

Maximum UV Index Levels in Atlantis for December

The chart shows the monthly maximum UV Index (UVI) for Atlantis 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 Atlantis typically reaches 14, which falls under the extreme exposure category.

Data source: Atlantis 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 Atlantis Compares to Other Months

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

This table compares monthly weather conditions in Atlantis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	9 mm (0.3 inches)	62%	extreme
February Weather	23°C (73°F)	6 mm (0.2 inches)	62%	extreme
March Weather	21°C (70°F)	14 mm (0.5 inches)	70%	extreme
April Weather	18°C (65°F)	18 mm (0.7 inches)	72%	very high
May Weather	15°C (60°F)	39 mm (1.5 inches)	77%	moderate
June Weather	13°C (56°F)	74 mm (2.9 inches)	82%	moderate
July Weather	12°C (54°F)	71 mm (2.8 inches)	82%	moderate
August Weather	12°C (54°F)	50 mm (2.0 inches)	78%	high
September Weather	15°C (59°F)	27 mm (1.1 inches)	74%	very high
October Weather	18°C (64°F)	22 mm (0.9 inches)	67%	extreme
November Weather	19°C (67°F)	28 mm (1.1 inches)	61%	extreme
December Weather	21°C (70°F)	17 mm (0.7 inches)	60%	extreme