Weather in December
Sea temperature
In Yzerfontein, South Africa, the average seawater temperature in December is 17.8°C (64°F).Note: Swimming becomes less enjoyable for most at a surface water temperature of 17.8°C (64°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.
Daylight
With an average of 14h and 18min of daylight, December has the longest days of the year in Yzerfontein.On the first day of December, sunrise is at 05:30 and sunset at 19:42. On the last day of the month, sunrise is at 05:40 and sunset at 20:00 SAST.
Frequently asked questions
What is the sea temperature in December in Yzerfontein?
In Yzerfontein, South Africa, the average seawater temperature in December is 17.8°C (64°F). For swimming, a surface water temperature of 17.8°C (64°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
When are the longest days in Yzerfontein?
With an average of 14h and 18min of daylight, December has the longest days of the year in Yzerfontein, South Africa.
What is the average length of the day in December in Yzerfontein?
In December, the average day length in Yzerfontein, South Africa, is 14h and 19min.
What time are sunrise and sunset in December in Yzerfontein?
In December, on the first day of the month, sunrise is at 05:30 and sunset at 19:42. On the last day of the month, in Yzerfontein, South Africa, sunrise is at 05:40 and sunset at 20:00 SAST.
Average sea temperature in December
Yzerfontein, South Africa
- Average sea temperature in December: 17.8°C
The best month for swimming (with the highest average sea temperature) is January (18.3°C).
The coldest months (with the lowest average sea temperature) are July and August (15.1°C).
Average daylight in December
Yzerfontein, South Africa
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
Yzerfontein, South Africa
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