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December Weather in Carnarvon, South Africa

Last updated: August 31, 2025

In December, the average temperature in Carnarvon, South Africa is a pleasant 23°C (74°F). However, temperatures can vary significantly, with a minimum of 7°C (45°F) and a maximum of 37°C (100°F). Expect about 23 mm (0.9 in) of precipitation over approximately 4 days, and enjoy an average humidity of 44% for a comfortable climate experience.

December Temperature in Carnarvon

In December in Carnarvon, 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 Carnarvon an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates December temperature patterns in Carnarvon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carnarvon, 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).
JanFebMarAprMayJunJulAugSepOctNovDec767572635751495159656973
Data source: Temperature data for Carnarvon 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 Carnarvon

In Carnarvon in December, the total precipitation amount is 23 mm (0.9 in) over a span of 4 days.

December Precipitation Trends in Carnarvon

The chart displays monthly precipitation patterns in Carnarvon, 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 Carnarvon, December typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec292812377382614723
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Carnarvon

In Carnarvon in December humidity is 44%. With an average temperature of 23°C (74°F), this humidity feels like a comfortable embrace, making it pleasant for traveling and exploring the sights without feeling overly hot or sticky.

December Average Humidity in Carnarvon

This chart illustrates the average monthly humidity levels in Carnarvon, 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 Carnarvon is approximately 44%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%55%65%73%78%79%73%64%58%53%42%44%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Carnarvon

In Carnarvon 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 Carnarvon.

Maximum UV Index Levels in Carnarvon for December

The chart shows the monthly maximum UV Index (UVI) for Carnarvon 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 Carnarvon typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1515129655710131416
Data source: Carnarvon 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 Carnarvon Compares to Other Months

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

This table compares monthly weather conditions in Carnarvon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)29 mm (1.1 inches)50%extreme
February Weather24°C (75°F)28 mm (1.1 inches)55%extreme
March Weather22°C (72°F)12 mm (0.5 inches)65%extreme
April Weather17°C (64°F)37 mm (1.5 inches)72%very high
May Weather14°C (57°F)7 mm (0.3 inches)78%high
June Weather10°C (51°F)3 mm (0.1 inches)79%moderate
July Weather10°C (50°F)8 mm (0.3 inches)73%moderate
August Weather10°C (51°F)2 mm (0.1 inches)64%high
September Weather15°C (60°F)6 mm (0.2 inches)58%very high
October Weather18°C (65°F)14 mm (0.5 inches)53%extreme
November Weather21°C (69°F)7 mm (0.3 inches)42%extreme
December Weather23°C (74°F)23 mm (0.9 inches)44%extreme

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