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December Weather in Cullinan, South Africa

Last updated: August 31, 2025

In Cullinan, South Africa, the average temperature in December hovers around 21°C (71°F). Temperatures can vary significantly, with a minimum of 11°C (52°F) and a maximum reaching 34°C (93°F). Expect an average precipitation amount of 161 mm (6.3 in) spread over approximately 16 days, contributing to a humidity level of 72%.

December Temperature in Cullinan

In December in Cullinan, the average temperature is 21°C (71°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop as low as 11°C (52°F). This makes Cullinan an ideal destination for travelers seeking pleasant and moderately warm weather during this time of year.

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

The chart illustrates December temperature patterns in Cullinan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cullinan, December typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec717069645954535966687070
Data source: Temperature data for Cullinan 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 Cullinan

In Cullinan in December, the total precipitation amount is 161 mm (6.3 in), occurring over a span of 16 days.

December Precipitation Trends in Cullinan

The chart displays monthly precipitation patterns in Cullinan, 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 Cullinan, December typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec10113462481542396290161
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cullinan

In Cullinan in December, humidity is 72%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, creating a thick, sultry atmosphere that can be quite heavy for traveling.

December Average Humidity in Cullinan

This chart illustrates the average monthly humidity levels in Cullinan, 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 Cullinan is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%64%64%65%61%64%61%65%61%68%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cullinan

In Cullinan 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 Cullinan.

Maximum UV Index Levels in Cullinan for December

The chart shows the monthly maximum UV Index (UVI) for Cullinan 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 Cullinan typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151310766911131416
Data source: Cullinan 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 Cullinan Compares to Other Months

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

This table compares monthly weather conditions in Cullinan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)101 mm (4.0 inches)70%extreme
February Weather21°C (71°F)134 mm (5.3 inches)65%extreme
March Weather20°C (69°F)62 mm (2.4 inches)64%extreme
April Weather18°C (64°F)48 mm (1.9 inches)63%very high
May Weather15°C (59°F)15 mm (0.6 inches)64%high
June Weather12°C (54°F)4 mm (0.2 inches)61%high
July Weather12°C (54°F)2 mm (0.1 inches)64%high
August Weather15°C (60°F)3 mm (0.1 inches)61%very high
September Weather19°C (66°F)9 mm (0.4 inches)65%extreme
October Weather20°C (68°F)62 mm (2.4 inches)61%extreme
November Weather21°C (70°F)89 mm (3.5 inches)68%extreme
December Weather21°C (71°F)161 mm (6.3 inches)72%extreme

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