Weather in December
Sea temperature
In December, the average sea temperature in Plettenberg Bay, South Africa, is 19.9°C (67.8°F).Note: Swimming is not an enjoyable activity for the majority when the water is at 19.9°C (67.8°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of December, sunrise is at 05:08 and sunset at 19:23. On the last day of the month, sunrise is at 05:18 and sunset at 19:41 SAST.
Frequently asked questions
What is the sea water temperature in December in Plettenberg Bay?
In Plettenberg Bay, South Africa, the average seawater temperature in December is 19.9°C (67.8°F). For most, swimming in 19.9°C (67.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
When are the longest days in Plettenberg Bay?
December has the longest days of the year, with an average of 14h and 24min of daylight.
What is the average length of the day in December in Plettenberg Bay?
In Plettenberg Bay, the average day length in December is 14h and 23min.
What time are sunrise and sunset in December in Plettenberg Bay?
In December, on the first day of the month, sunrise is at 05:08 and sunset at 19:23. On the last day of the month, in Plettenberg Bay, sunrise is at 05:18 and sunset at 19:41 SAST.
Average sea temperature in December
Plettenberg Bay, South Africa
- Average sea temperature in December: 19.9°C
The best month for swimming (with the highest average sea temperature) is January (20.4°C).
The coldest months (with the lowest average sea temperature) are July and August (16.8°C).
Average daylight in December
Plettenberg Bay, South Africa
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
Plettenberg Bay, South Africa
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