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December Weather in Butterworth, South Africa

Last updated: August 31, 2025

In Butterworth, South Africa, the average temperature in December is a pleasant 19°C (66°F). Expect minimums dipping to 8°C (47°F) and maximums reaching up to 35°C (96°F). During this month, precipitation averages 120 mm (4.7 in) over 19 days, while the average humidity sits at a comfortable 82%.

December Temperature in Butterworth

In December in Butterworth, the average temperature is 19°C (66°F), with maximums reaching 35°C (96°F) and minimums dropping as low as 8°C (47°F). This range makes it ideal for travelers looking to enjoy mild days and cool evenings, so be sure to pack accordingly!

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

The chart illustrates December temperature patterns in Butterworth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Butterworth, December typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (96°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec696968636158585760626366
Data source: Temperature data for Butterworth 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 Butterworth

In Butterworth in December, the precipitation amount is 120 mm (4.7 in) over the course of 19 days.

December Precipitation Trends in Butterworth

The chart displays monthly precipitation patterns in Butterworth, 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 Butterworth, December typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec1021131081053119725499194121
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Butterworth

In Butterworth in December humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

December Average Humidity in Butterworth

This chart illustrates the average monthly humidity levels in Butterworth, 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 Butterworth is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%84%82%80%75%75%75%79%80%80%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Butterworth

In Butterworth in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Butterworth, you can check here.

Maximum UV Index Levels in Butterworth for December

The chart shows the monthly maximum UV Index (UVI) for Butterworth 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 Butterworth typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141411854469111214
Data source: Butterworth 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 Butterworth Compares to Other Months

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

This table compares monthly weather conditions in Butterworth, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (69°F)102 mm (4.0 inches)81%extreme
February Weather21°C (69°F)113 mm (4.4 inches)82%extreme
March Weather20°C (68°F)108 mm (4.2 inches)84%extreme
April Weather17°C (63°F)105 mm (4.1 inches)82%very high
May Weather16°C (61°F)31 mm (1.2 inches)80%moderate
June Weather14°C (58°F)19 mm (0.7 inches)75%moderate
July Weather14°C (58°F)7 mm (0.3 inches)75%moderate
August Weather14°C (57°F)25 mm (1.0 inches)75%high
September Weather16°C (61°F)49 mm (1.9 inches)79%very high
October Weather17°C (62°F)91 mm (3.6 inches)80%extreme
November Weather17°C (64°F)94 mm (3.7 inches)80%extreme
December Weather19°C (66°F)120 mm (4.7 inches)82%extreme

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