January Weather in Postmasburg, South Africa

Last updated: August 31, 2025

In January, the average temperature in Postmasburg, South Africa hovers around 25°C (77°F). However, temperatures can range from a cool 11°C (53°F) to a sweltering 38°C (101°F). Be prepared for some rain, as 74 mm (2.9 in) is expected over 8 days, while the humidity averages around 58%, providing a warm and somewhat muggy experience.

January Temperature in Postmasburg

In January in Postmasburg, the average temperature is 25°C (77°F). The maximum can reach 38°C (101°F), and the minimum can be as low as 11°C (53°F). Be prepared for warm days and cooler nights, making it an ideal time for both outdoor activities and exploring the local culture.

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

The chart illustrates January 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, January typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (53°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.

January Precipitation in Postmasburg

In Postmasburg in January, the precipitation amount is 74 mm (2.9 in) over a period of 8 days.

January Precipitation Trends in Postmasburg

The chart displays monthly precipitation patterns in Postmasburg, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Postmasburg, January typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7476385432213162361
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Postmasburg

In Postmasburg in January humidity is 58%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making travel enjoyable but requiring light clothing and plenty of hydration to stay comfortable during your adventures.

January Average Humidity in Postmasburg

This chart illustrates the average monthly humidity levels in Postmasburg, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Postmasburg is approximately 58%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Postmasburg

In Postmasburg in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Postmasburg.

Maximum UV Index Levels in Postmasburg for January

The chart shows the monthly maximum UV Index (UVI) for Postmasburg in January, 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 January, the maximum UV index in Postmasburg typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15161310756811131416
Data source: Postmasburg January 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 January 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 January’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 January’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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