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December Weather in Ashton, South Africa

Last updated: August 31, 2025

In Ashton, South Africa, the average temperature in December reaches a pleasant 20°C (68°F), with a range that can dip to a cool 9°C (48°F) and peak at a scorching 40°C (103°F). Rainfall is minimal, with an average precipitation of just 25 mm (1.0 in) over 5 days. The air feels moderately humid, boasting an average humidity level of 60%.

December Temperature in Ashton

In December in Ashton, the average temperature is 20°C (68°F). Maximum temperatures can reach 40°C (103°F), while the minimum can drop to as low as 9°C (48°F). Pack accordingly to enjoy a comfortable trip exploring the diverse weather conditions!

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

The chart illustrates December temperature patterns in Ashton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ashton, December typically has an average temperature of 20°C (68°F), with highs reaching up to 40°C (103°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec717268635854515157626468
Data source: Temperature data for Ashton 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 Ashton

In Ashton in December, the total precipitation amount is 25 mm (1.0 in) over a span of 5 days.

December Precipitation Trends in Ashton

The chart displays monthly precipitation patterns in Ashton, 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 Ashton, December typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec311737162728373425283925
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ashton

In Ashton in December, humidity is 60%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making traveling quite comfortable yet slightly sticky, perfect for leisurely strolls but reminding you to stay hydrated.

December Average Humidity in Ashton

This chart illustrates the average monthly humidity levels in Ashton, 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 Ashton is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%62%70%72%77%82%82%78%74%67%61%60%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ashton

In Ashton in December, 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 Ashton.

Maximum UV Index Levels in Ashton for December

The chart shows the monthly maximum UV Index (UVI) for Ashton 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 Ashton typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151411854469121315
Data source: Ashton 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 Ashton Compares to Other Months

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

This table compares monthly weather conditions in Ashton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)31 mm (1.2 inches)62%extreme
February Weather22°C (72°F)17 mm (0.7 inches)62%extreme
March Weather20°C (68°F)37 mm (1.5 inches)70%extreme
April Weather17°C (63°F)16 mm (0.6 inches)72%very high
May Weather15°C (59°F)27 mm (1.1 inches)77%moderate
June Weather12°C (54°F)28 mm (1.1 inches)82%moderate
July Weather11°C (52°F)37 mm (1.5 inches)82%moderate
August Weather11°C (52°F)34 mm (1.3 inches)78%high
September Weather14°C (57°F)25 mm (1.0 inches)74%very high
October Weather17°C (62°F)28 mm (1.1 inches)67%extreme
November Weather18°C (65°F)39 mm (1.5 inches)61%extreme
December Weather20°C (68°F)25 mm (1.0 inches)60%extreme

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