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December Weather in De Aar, South Africa

Last updated: August 31, 2025

In December, the average temperature in De Aar, South Africa is a pleasant 23°C (74°F). Expect a minimum of 7°C (45°F) and a sunny maximum reaching up to 37°C (100°F). Precipitation is moderate, with about 40 mm (1.6 in) falling over 5 days, while the average humidity stands at a comfortable 65%.

December Temperature in De Aar

In December in De Aar, the average temperature is 23°C (74°F). Maximums can reach 37°C (100°F), and minimums can be as low as 7°C (45°F). This range of temperatures makes De Aar an ideal destination for travelers seeking both warm days and cooler evenings.

December Weather in De Aar: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in De Aar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In De Aar, December typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (100°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec767571635750495161667074
Data source: Temperature data for De Aar 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 De Aar

In De Aar in December, the precipitation amount is 40 mm (1.6 in) over the course of 5 days.

December Precipitation Trends in De Aar

The chart displays monthly precipitation patterns in De Aar, 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 De Aar, December typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec5550274173648202041
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in De Aar

In De Aar in December, humidity is 65%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still enjoyable with the right planning.

December Average Humidity in De Aar

This chart illustrates the average monthly humidity levels in De Aar, 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 De Aar is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%70%77%82%81%77%70%58%62%58%59%65%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in De Aar

In De Aar 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 De Aar.

Maximum UV Index Levels in De Aar for December

The chart shows the monthly maximum UV Index (UVI) for De Aar 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 De Aar typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1515139655710121416
Data source: De Aar 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 De Aar Compares to Other Months

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

This table compares monthly weather conditions in De Aar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)55 mm (2.2 inches)68%extreme
February Weather24°C (75°F)50 mm (2.0 inches)70%extreme
March Weather22°C (72°F)27 mm (1.1 inches)77%extreme
April Weather17°C (64°F)41 mm (1.6 inches)81%very high
May Weather14°C (57°F)7 mm (0.3 inches)81%high
June Weather10°C (51°F)3 mm (0.1 inches)77%moderate
July Weather9°C (49°F)6 mm (0.2 inches)70%moderate
August Weather11°C (52°F)4 mm (0.2 inches)58%high
September Weather16°C (61°F)7 mm (0.3 inches)62%very high
October Weather19°C (66°F)20 mm (0.8 inches)58%extreme
November Weather21°C (70°F)20 mm (0.8 inches)59%extreme
December Weather23°C (74°F)40 mm (1.6 inches)65%extreme

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