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December Weather in Siyabuswa, South Africa

Last updated: August 31, 2025

In Siyabuswa, South Africa, the average temperature in December hovers around 25°C (77°F). Expect a comfortable range, with minimums dipping to 14°C (58°F) and maximums soaring to 38°C (101°F). During this period, 103 mm (4.1 in) of precipitation typically falls over 14 days, creating a humid atmosphere with an average humidity of 72%.

December Temperature in Siyabuswa

In December in Siyabuswa, the average temperature is 25°C (77°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 14°C (58°F). This mild climate makes Siyabuswa a perfect destination for outdoor activities and exploration during the month.

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

The chart illustrates December temperature patterns in Siyabuswa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siyabuswa, December typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec777775706458586471737576
Data source: Temperature data for Siyabuswa 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 Siyabuswa

In Siyabuswa in December, the precipitation amount is 103 mm (4.1 in) distributed over a period of 14 days.

December Precipitation Trends in Siyabuswa

The chart displays monthly precipitation patterns in Siyabuswa, 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 Siyabuswa, December typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec919633271921245076103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Siyabuswa

In Siyabuswa in December, humidity is 72%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration both vibrant and a bit taxing as you sweat slightly more and seek shade often while enjoying the scenery.

December Average Humidity in Siyabuswa

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

In Siyabuswa 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 Siyabuswa.

Maximum UV Index Levels in Siyabuswa for December

The chart shows the monthly maximum UV Index (UVI) for Siyabuswa 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 Siyabuswa typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311866911131416
Data source: Siyabuswa 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 Siyabuswa Compares to Other Months

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

This table compares monthly weather conditions in Siyabuswa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)91 mm (3.6 inches)70%extreme
February Weather25°C (77°F)96 mm (3.8 inches)65%extreme
March Weather24°C (75°F)33 mm (1.3 inches)64%extreme
April Weather21°C (70°F)27 mm (1.1 inches)63%extreme
May Weather18°C (64°F)19 mm (0.7 inches)64%very high
June Weather14°C (58°F)2 mm (0.1 inches)61%high
July Weather14°C (58°F)1 mm (0.0 inches)64%high
August Weather18°C (65°F)2 mm (0.1 inches)61%very high
September Weather21°C (71°F)4 mm (0.1 inches)65%extreme
October Weather23°C (73°F)50 mm (2.0 inches)61%extreme
November Weather24°C (75°F)76 mm (3.0 inches)68%extreme
December Weather25°C (77°F)103 mm (4.1 inches)72%extreme

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