December Weather in Sasolburg, South Africa

Last updated: August 31, 2025

In December, the average temperature in Sasolburg, South Africa is a pleasant 21°C (71°F), with comfortable lows of 11°C (51°F) and potential highs reaching up to 36°C (98°F). Expect 148 mm (5.8 in) of precipitation over approximately 18 days, resulting in an average humidity of 81%. 🌦️ Enjoy the warm days while being prepared for the occasional shower!

December Temperature in Sasolburg

In December in Sasolburg, the average temperature is 21°C (71°F), with maximums reaching 36°C (98°F) and minimums dropping to as low as 11°C (51°F). This makes it a great time for travelers to enjoy a warm climate while still having cooler evenings for comfort.

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

The chart illustrates December temperature patterns in Sasolburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sasolburg, December typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (98°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec717068635751515865677070
Data source: Temperature data for Sasolburg generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Sasolburg

In Sasolburg in December, the total precipitation amount is 148 mm (5.8 in), occurring over the course of 18 days.

December Precipitation Trends in Sasolburg

The chart displays monthly precipitation patterns in Sasolburg, 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 Sasolburg, December typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec11912169611173376099148
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sasolburg

In Sasolburg in December, humidity is 81%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket that makes traveling feel both refreshing and slightly heavy, often leading to a sticky sensation that can quickly deplete your energy.

December Average Humidity in Sasolburg

This chart illustrates the average monthly humidity levels in Sasolburg, 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 Sasolburg is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%77%77%81%83%73%71%68%74%74%82%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sasolburg

In Sasolburg 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 Sasolburg.

Maximum UV Index Levels in Sasolburg for December

The chart shows the monthly maximum UV Index (UVI) for Sasolburg 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 Sasolburg typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311766811121416
Data source: Sasolburg 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 Sasolburg Compares to Other Months

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

This table compares monthly weather conditions in Sasolburg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)119 mm (4.7 inches)79%extreme
February Weather21°C (70°F)121 mm (4.8 inches)77%extreme
March Weather20°C (68°F)69 mm (2.7 inches)77%extreme
April Weather17°C (63°F)61 mm (2.4 inches)81%extreme
May Weather14°C (57°F)11 mm (0.4 inches)82%high
June Weather11°C (52°F)7 mm (0.3 inches)73%high
July Weather10°C (51°F)3 mm (0.1 inches)71%high
August Weather14°C (58°F)3 mm (0.1 inches)68%very high
September Weather18°C (65°F)7 mm (0.3 inches)74%extreme
October Weather20°C (68°F)60 mm (2.4 inches)74%extreme
November Weather21°C (70°F)99 mm (3.9 inches)82%extreme
December Weather21°C (71°F)148 mm (5.8 inches)81%extreme

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