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December Weather in Kathu, South Africa

Last updated: August 31, 2025

In Kathu, South Africa, the average temperature in December hovers around 25°C (77°F), with a range that can dip as low as 10°C (50°F) and soar up to 39°C (103°F). Expect some rainfall, with an average precipitation of 64 mm (2.5 in) over approximately 8 days. The air is fairly comfortable, featuring an average humidity level of 54%.

December Temperature in Kathu

In December in Kathu, the average temperature is 25°C (77°F). Maximums can reach 39°C (103°F), and minimums can be as low as 10°C (50°F). This variability in temperatures makes it essential to pack for both warm days and cooler nights while traveling.

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

The chart illustrates December temperature patterns in Kathu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kathu, December typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (103°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec787672665852515565707576
Data source: Temperature data for Kathu 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 Kathu

In Kathu in December, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

December Precipitation Trends in Kathu

The chart displays monthly precipitation patterns in Kathu, 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 Kathu, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7884354921223232664
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Kathu

In Kathu in December humidity is 54%. With an average temperature of 25°C (77°F), this humidity feels like a comfortable yet slightly sticky embrace, perfect for exploring the vibrant streets and enjoying leisurely outdoor activities without feeling overheated.

December Average Humidity in Kathu

This chart illustrates the average monthly humidity levels in Kathu, 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 Kathu is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%61%70%72%70%60%54%43%40%35%41%54%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kathu

In Kathu 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 Kathu.

Maximum UV Index Levels in Kathu for December

The chart shows the monthly maximum UV Index (UVI) for Kathu 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 Kathu typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15161310756811131416
Data source: Kathu 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 Kathu Compares to Other Months

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

This table compares monthly weather conditions in Kathu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)78 mm (3.1 inches)64%extreme
February Weather24°C (76°F)84 mm (3.3 inches)61%extreme
March Weather22°C (73°F)35 mm (1.4 inches)70%extreme
April Weather19°C (66°F)49 mm (1.9 inches)72%very high
May Weather15°C (59°F)2 mm (0.1 inches)70%high
June Weather11°C (53°F)1 mm (0.1 inches)60%moderate
July Weather11°C (52°F)2 mm (0.1 inches)53%high
August Weather13°C (56°F)2 mm (0.1 inches)43%very high
September Weather18°C (65°F)3 mm (0.1 inches)40%extreme
October Weather21°C (70°F)23 mm (0.9 inches)35%extreme
November Weather24°C (75°F)26 mm (1.0 inches)41%extreme
December Weather25°C (77°F)64 mm (2.5 inches)54%extreme

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