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December Weather in Carletonville, South Africa

Last updated: August 31, 2025

In Carletonville, South Africa, the average temperature in December hovers around 21°C (70°F). Expect a minimum of 11°C (52°F), while it can reach a maximum of 34°C (94°F). Prepare for some rain, as the region experiences 141 mm (5.6 in) of precipitation over 18 days. With an average humidity of 67%, the air is likely to feel quite warm and inviting.

December Temperature in Carletonville

In December in Carletonville, the average temperature is 21°C (70°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 11°C (52°F). This pleasant climate makes it an ideal time for outdoor adventures and sightseeing.

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

The chart illustrates December temperature patterns in Carletonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carletonville, December typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec706867625652515764676969
Data source: Temperature data for Carletonville 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 Carletonville

In Carletonville in December, the precipitation amount is 141 mm (5.6 in) spread over 18 days.

December Precipitation Trends in Carletonville

The chart displays monthly precipitation patterns in Carletonville, 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 Carletonville, December typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec124139675710842852101141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Carletonville

In Carletonville in December humidity is 67%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making travel a bit stifling but still enjoyable if you're prepared with light clothing and plenty of water.

December Average Humidity in Carletonville

This chart illustrates the average monthly humidity levels in Carletonville, 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 Carletonville is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%71%74%75%70%65%59%56%56%54%59%67%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Carletonville

In Carletonville 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 Carletonville.

Maximum UV Index Levels in Carletonville for December

The chart shows the monthly maximum UV Index (UVI) for Carletonville 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 Carletonville typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311766811131516
Data source: Carletonville 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 Carletonville Compares to Other Months

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

This table compares monthly weather conditions in Carletonville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)124 mm (4.9 inches)71%extreme
February Weather20°C (69°F)139 mm (5.5 inches)70%extreme
March Weather19°C (67°F)66 mm (2.6 inches)74%extreme
April Weather17°C (62°F)57 mm (2.2 inches)75%extreme
May Weather14°C (57°F)10 mm (0.4 inches)70%high
June Weather11°C (52°F)8 mm (0.3 inches)65%high
July Weather10°C (51°F)4 mm (0.2 inches)59%high
August Weather14°C (58°F)2 mm (0.1 inches)56%very high
September Weather18°C (64°F)8 mm (0.3 inches)56%extreme
October Weather19°C (67°F)52 mm (2.1 inches)54%extreme
November Weather21°C (69°F)101 mm (4.0 inches)59%extreme
December Weather21°C (70°F)141 mm (5.6 inches)67%extreme

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