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December Weather in Cala, South Africa

Last updated: August 31, 2025

In December, the average temperature in Cala, South Africa typically hovers around 18°C (64°F). Expect a wide temperature range, with a minimum of 5°C (42°F) and a maximum reaching up to 34°C (93°F). This month also sees considerable precipitation, averaging 174 mm (6.9 in) spread over about 23 days. Coupled with an average humidity of 88%, it's a time when the air feels particularly moist and vibrant.

December Temperature in Cala

In December in Cala, the average temperature is 18°C (64°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 5°C (42°F). This climate makes Cala an ideal destination for travelers looking to enjoy warm days and cool evenings.

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

The chart illustrates December temperature patterns in Cala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cala, December typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec666664585450495157596164
Data source: Temperature data for Cala 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 Cala

In Cala in December, the total precipitation amount is 174 mm (6.9 in) over the course of 23 days.

December Precipitation Trends in Cala

The chart displays monthly precipitation patterns in Cala, 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 Cala, December typically receives around 174 mm (6.9 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec15020914710829148333791133175
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cala

In Cala in December, humidity is 88%. With an average temperature of 18°C (64°F), this humidity feels like you’re walking through a warm, enveloping mist, making every step slightly weighted but also refreshing, ideal for leisurely exploration but challenging for strenuous activities.

December Average Humidity in Cala

This chart illustrates the average monthly humidity levels in Cala, 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 Cala is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%89%89%88%82%77%72%82%83%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cala

In Cala 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 Cala.

Maximum UV Index Levels in Cala for December

The chart shows the monthly maximum UV Index (UVI) for Cala 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 Cala typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1515139655710121315
Data source: Cala 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 Cala Compares to Other Months

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

This table compares monthly weather conditions in Cala, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)150 mm (5.9 inches)88%extreme
February Weather19°C (66°F)209 mm (8.2 inches)88%extreme
March Weather18°C (64°F)147 mm (5.8 inches)89%extreme
April Weather15°C (59°F)108 mm (4.2 inches)89%very high
May Weather12°C (54°F)29 mm (1.1 inches)88%high
June Weather10°C (50°F)14 mm (0.5 inches)82%moderate
July Weather9°C (49°F)8 mm (0.3 inches)77%moderate
August Weather10°C (51°F)33 mm (1.3 inches)72%high
September Weather14°C (57°F)37 mm (1.5 inches)82%very high
October Weather15°C (60°F)91 mm (3.6 inches)83%extreme
November Weather16°C (62°F)133 mm (5.2 inches)87%extreme
December Weather18°C (64°F)174 mm (6.9 inches)88%extreme

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