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December Weather in Mandeni, South Africa

Last updated: August 31, 2025

In Mandeni, South Africa, the average temperature in December hovers around 23°C (74°F). Expect minimums of 18°C (64°F) and sizzling highs of 34°C (93°F). The region sees about 110 mm (4.3 in) of precipitation over 14 days, contributing to an average humidity level of 86%. Enjoy the warm, yet humid ambiance of this beautiful locale!

December Temperature in Mandeni

In December in Mandeni, the average temperature is 23°C (74°F). Maximums can reach 34°C (93°F), and minimums can be as low as 18°C (64°F). This makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions in pleasant weather.

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

The chart illustrates December temperature patterns in Mandeni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mandeni, December typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec767776736966656668697174
Data source: Temperature data for Mandeni 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 Mandeni

In Mandeni in December, the total precipitation amount is 110 mm (4.3 in) spread over 14 days.

December Precipitation Trends in Mandeni

The chart displays monthly precipitation patterns in Mandeni, 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 Mandeni, December typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec79142898912137245075106129110
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mandeni

In Mandeni in December, humidity is 86%. With an average temperature of 23°C (74°F), this humidity feels like you're stepping into a warm embrace, making travel a bit sticky yet invigorating, as the air wraps around you, inviting you to explore while reminding you to stay hydrated.

December Average Humidity in Mandeni

This chart illustrates the average monthly humidity levels in Mandeni, 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 Mandeni 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 Mandeni

In Mandeni 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 Mandeni, you can check here.

Maximum UV Index Levels in Mandeni for December

The chart shows the monthly maximum UV Index (UVI) for Mandeni 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 Mandeni typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141412964579111314
Data source: Mandeni 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 Mandeni Compares to Other Months

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

This table compares monthly weather conditions in Mandeni, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)79 mm (3.1 inches)85%extreme
February Weather25°C (77°F)142 mm (5.6 inches)86%extreme
March Weather24°C (76°F)89 mm (3.5 inches)86%extreme
April Weather23°C (73°F)89 mm (3.5 inches)86%very high
May Weather21°C (70°F)121 mm (4.7 inches)86%high
June Weather19°C (67°F)37 mm (1.5 inches)80%moderate
July Weather18°C (66°F)24 mm (0.9 inches)80%moderate
August Weather19°C (66°F)50 mm (2.0 inches)79%high
September Weather20°C (68°F)75 mm (3.0 inches)85%very high
October Weather20°C (69°F)105 mm (4.2 inches)86%extreme
November Weather22°C (71°F)129 mm (5.1 inches)87%extreme
December Weather23°C (74°F)110 mm (4.3 inches)86%extreme

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