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December Weather in Ulundi, South Africa

Last updated: August 31, 2025

The average temperature in Ulundi, South Africa during December is a pleasant 23°C (73°F). Expect minimums as cool as 13°C (56°F) and highs soaring to 39°C (103°F). With an average precipitation of 96 mm (3.8 in) spread over 16 days, you might want to keep an umbrella handy. Additionally, the air boasts an average humidity level of 86%, making it a humid month overall.

December Temperature in Ulundi

In December in Ulundi, the average temperature is 23°C (73°F). Maximums can reach 39°C (103°F), while minimums can drop to as low as 13°C (56°F). Be sure to pack for both warm days and cooler evenings during your travels!

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

The chart illustrates December temperature patterns in Ulundi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulundi, December typically has an average temperature of 23°C (73°F), with highs reaching up to 39°C (103°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec757574706561616467687073
Data source: Temperature data for Ulundi 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 Ulundi

In Ulundi in December, the total precipitation amount is 96 mm (3.8 in) recorded over 16 days.

December Precipitation Trends in Ulundi

The chart displays monthly precipitation patterns in Ulundi, 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 Ulundi, December typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec821266051341372643718796
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ulundi

In Ulundi in December humidity is 86%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket that makes traveling feel both sticky and heavy, often requiring frequent breaks to hydrate and seek shade.

December Average Humidity in Ulundi

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

In Ulundi 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 Ulundi, you can check here.

Maximum UV Index Levels in Ulundi for December

The chart shows the monthly maximum UV Index (UVI) for Ulundi 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 Ulundi typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1514129655710121314
Data source: Ulundi 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 Ulundi Compares to Other Months

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

This table compares monthly weather conditions in Ulundi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)82 mm (3.2 inches)85%extreme
February Weather24°C (76°F)126 mm (5.0 inches)86%extreme
March Weather23°C (74°F)60 mm (2.4 inches)86%extreme
April Weather21°C (70°F)51 mm (2.0 inches)86%very high
May Weather18°C (65°F)34 mm (1.3 inches)86%high
June Weather16°C (62°F)13 mm (0.5 inches)80%moderate
July Weather16°C (61°F)7 mm (0.3 inches)80%moderate
August Weather18°C (64°F)26 mm (1.0 inches)79%high
September Weather19°C (67°F)43 mm (1.7 inches)85%very high
October Weather20°C (68°F)71 mm (2.8 inches)86%extreme
November Weather21°C (71°F)87 mm (3.4 inches)87%extreme
December Weather23°C (73°F)96 mm (3.8 inches)86%extreme

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