December Weather in Postmasburg, South Africa

Last updated: August 31, 2025

In Postmasburg, South Africa, the average temperature in December hovers around 24°C (76°F). Temperatures can vary dramatically, with a minimum of 10°C (51°F) and a scorching maximum of 38°C (100°F). Expect 61 mm (2.4 in) of precipitation spread over 9 days, and enjoy a comfortable average humidity of 52% as you experience the climate of this vibrant locale.

December Temperature in Postmasburg

In December in Postmasburg, the average temperature is 24°C (76°F). The maximum can reach 38°C (100°F), while the minimum can drop as low as 10°C (51°F). Be prepared for a warm climate with a chance of cooler evenings when traveling.

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

The chart illustrates December temperature patterns in Postmasburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Postmasburg, December typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (100°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec777572655852515463697375
Data source: Temperature data for Postmasburg 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 Postmasburg

In Postmasburg in December, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

December Precipitation Trends in Postmasburg

The chart displays monthly precipitation patterns in Postmasburg, 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 Postmasburg, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7476385432213162361
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Postmasburg

In Postmasburg in December, humidity is 52%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace, creating a comfortable atmosphere for traveling as you explore the sights without feeling overly sticky or weighed down.

December Average Humidity in Postmasburg

This chart illustrates the average monthly humidity levels in Postmasburg, 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 Postmasburg is approximately 52%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%58%65%75%76%68%61%53%47%36%42%52%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Postmasburg

In Postmasburg 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 Postmasburg.

Maximum UV Index Levels in Postmasburg for December

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

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

This table compares monthly weather conditions in Postmasburg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)74 mm (2.9 inches)58%extreme
February Weather24°C (75°F)76 mm (3.0 inches)58%extreme
March Weather22°C (72°F)38 mm (1.5 inches)65%extreme
April Weather18°C (65°F)54 mm (2.1 inches)75%very high
May Weather14°C (58°F)3 mm (0.1 inches)76%high
June Weather11°C (52°F)2 mm (0.1 inches)68%moderate
July Weather11°C (51°F)2 mm (0.1 inches)61%high
August Weather12°C (54°F)1 mm (0.1 inches)53%very high
September Weather17°C (64°F)3 mm (0.1 inches)47%extreme
October Weather20°C (69°F)16 mm (0.6 inches)36%extreme
November Weather23°C (73°F)23 mm (0.9 inches)42%extreme
December Weather24°C (76°F)61 mm (2.4 inches)52%extreme

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