December weather forecastOranjemund, Namibia
December
Weather in December
December in Oranjemund symbolizes the onset of summer with the highest sea temperature of the year at 16.4°C (61.5°F) and the longest daylight duration of 13.9h. Compared to November, there is a noticeable rise in the sea temperatures. The weather fosters outdoor activities with an extended daylight period, making it a popular month for tourism. The lush greenery complimented by the warm climate distinguishes the city's scenic beauty. In the coming month of January, expect a slight decrease in visible daylight and a cooler sea temperature, as the summer begins to gradually subside.Sea temperature
In Oranjemund, in December, the average water temperature is 16.4°C (61.5°F).Note: Swimming in water with a temperature of 16.4°C (61.5°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.
Daylight
The month with the longest days is December, with an average of 13h and 54min of daylight.On the first day of December, sunrise is at 05:48 and sunset at 19:38. On the last day of the month, sunrise is at 05:59 and sunset at 19:55 CAT.
Updated: Jun 4, 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
In December, the average sea temperature is 16.4°C (61.5°F). For most, swimming in 16.4°C (61.5°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).
With an average of 13h and 54min of daylight, December has the longest days of the year.
The average day length in December is 13h and 56min.
In December, on the first day of the month, sunrise is at 05:48 and sunset at 19:38. On the last day of the month, sunrise is at 05:59 and sunset at 19:55 CAT.
Average sea temperature in December
Oranjemund, Namibia
- Average sea temperature in December: 16.4°C
The best month for swimming (with the highest average sea temperature) is January (18.2°C).
The coldest months (with the lowest average sea temperature) are July and August (13.3°C).
Average daylight in December
Oranjemund, Namibia
- Average daylight in December: 13h and 54min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).





