29.12
mon
mon
Day
82°F
E 5 mph
Precip.
0%
0%
Night
72°F
SE 3 mph
Precip.
0%
0%
30.12
tue
tue
Day
79°F
NE 6 mph
Precip.
0%
0%
Night
72°F
N 8 mph
Precip.
0%
0%
31.12
wed
wed
Day
79°F
N 8 mph
Precip.
0%
0%
Night
72°F
NW 12 mph
Precip.
0%
0%
01.01
thu
thu
Day
77°F
N 11 mph
Precip.
0%
0%
Night
70°F
N 12 mph
Precip.
0%
0%
02.01
fri
fri
Day
79°F
N 14 mph
Precip.
0%
0%
Night
70°F
NW 12 mph
Precip.
0%
0%
03.01
sat
sat
Day
79°F
N 9 mph
Precip.
0%
0%
Night
70°F
N 15 mph
Precip.
0%
0%
04.01
sun
sun
Day
75°F
N 19 mph
Precip.
0%
0%
Night
66°F
N 22 mph
Precip.
84%
84%
sea water
temperature
temperature
| Capetown |
monthly
weather
weather
| Capetown |
current
weather
weather
| Capetown |
14 days
forecast
forecast
| Capetown |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 56.9°F. The highest and lowest sea temperatures during the month were 59.0°F and 55.2°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 59.1°F. The highest and lowest sea temperatures during the month were 62.1°F and 55.0°F.
Air temperature in Capetown, °F
Precipitation total in Capetown, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Capetown
Capetown on a weather map
Places in South Africa:
Name
°F
24 Hours Forecast
Capetown
Local time: 01:58
December 29, monday
0300
66°F
NW
7 mph
7 mph
0600
66°F
W
4 mph
4 mph
0900
75°F
SE
1 mph
1 mph
1200
82°F
E
5 mph
5 mph
1500
82°F
N
7 mph
7 mph
1800
81°F
N
6 mph
6 mph
2100
75°F
NE
3 mph
3 mph
December 30, tuesday
0000
72°F
SE
3 mph
3 mph
