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December Weather in Richmond, South Africa

Last updated: August 31, 2025

In December, the average temperature in Richmond, South Africa is a pleasant 19°C (67°F). However, temperatures can vary widely, with a minimum of 9°C (49°F) and a maximum soaring up to 36°C (97°F). Visitors can expect generous rainfall, averaging 163 mm (6.4 in) over 23 days, accompanied by a high average humidity of 86%. Prepare accordingly for a humid and wet month!

December Temperature in Richmond

In December in Richmond, the average temperature is 19°C (67°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop to as low as 9°C (49°F). This diverse temperature range makes it an ideal time for travelers to pack for both warm days and cooler evenings.

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

The chart illustrates December temperature patterns in Richmond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richmond, December typically has an average temperature of 19°C (67°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec686967635955555761626466
Data source: Temperature data for Richmond 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 Richmond

In Richmond in December, the precipitation amount is 163 mm (6.4 in) spread over 23 days, indicating a relatively wet period.

December Precipitation Trends in Richmond

The chart displays monthly precipitation patterns in Richmond, 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 Richmond, December typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec11816410486451512465592146163
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Richmond

In Richmond in December humidity is 86%. With an average temperature of 19°C (67°F), this humidity feels like traveling through a thick, warm blanket, making the air feel heavy and sticky, which can be quite uncomfortable for outdoor activities.

December Average Humidity in Richmond

This chart illustrates the average monthly humidity levels in Richmond, 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 Richmond is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%86%86%80%80%80%85%86%87%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Richmond

In Richmond in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Richmond.

Maximum UV Index Levels in Richmond for December

The chart shows the monthly maximum UV Index (UVI) for Richmond 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 Richmond typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1514129645710111315
Data source: Richmond 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 Richmond Compares to Other Months

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

This table compares monthly weather conditions in Richmond, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)118 mm (4.6 inches)85%extreme
February Weather20°C (69°F)164 mm (6.4 inches)86%extreme
March Weather20°C (68°F)104 mm (4.1 inches)86%extreme
April Weather17°C (63°F)86 mm (3.4 inches)86%very high
May Weather15°C (59°F)45 mm (1.8 inches)86%high
June Weather13°C (55°F)15 mm (0.6 inches)80%moderate
July Weather13°C (55°F)12 mm (0.5 inches)80%moderate
August Weather14°C (57°F)46 mm (1.8 inches)79%high
September Weather16°C (61°F)55 mm (2.2 inches)85%very high
October Weather17°C (62°F)92 mm (3.6 inches)86%extreme
November Weather18°C (64°F)146 mm (5.7 inches)87%extreme
December Weather19°C (67°F)163 mm (6.4 inches)86%extreme

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