December
Weather in December
Sea temperature
In Yzerfontein, South Africa, the average seawater temperature in December is 17.8°C (64°F).Note: Swimming is not a pleasurable activity for the majority in water at 17.8°C (64°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the longest days is December, with an average of 14h and 18min of daylight.On the first day of the month, sunrise is at 05:30 and sunset at 19:42. On the last day of December, sunrise is at 05:40 and sunset at 20:00 SAST.
Updated: Aug 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the sea temperature in December?
In Yzerfontein, 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?
December has the longest days of the year, with an average of 14h and 18min of daylight.
How many hours of daylight does Yzerfontein have in December?
In Yzerfontein, the average day length in December is 14h and 19min.
When are sunrise and sunset in December?
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, 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).
