19.12
fri
fri
Day
72°F
N 16 mph
Precip.
0%
0%
Night
66°F
NW 16 mph
Precip.
0%
0%
20.12
sat
sat
Day
79°F
N 17 mph
Precip.
0%
0%
Night
68°F
NW 16 mph
Precip.
0%
0%
21.12
sun
sun
Day
82°F
N 8 mph
Precip.
0%
0%
Night
72°F
NW 8 mph
Precip.
0%
0%
22.12
mon
mon
Day
79°F
E 6 mph
Precip.
81%
81%
Night
70°F
NE 9 mph
Precip.
100%
100%
23.12
tue
tue
Day
72°F
N 18 mph
Precip.
100%
100%
Night
64°F
NW 16 mph
Precip.
0%
0%
24.12
wed
wed
Day
75°F
N 10 mph
Precip.
0%
0%
Night
68°F
N 9 mph
Precip.
0%
0%
25.12
thu
thu
Day
73°F
N 11 mph
Precip.
0%
0%
Night
66°F
N 13 mph
Precip.
0%
0%
26.12
fri
fri
Day
72°F
N 7 mph
Precip.
0%
0%
Night
66°F
N 5 mph
Precip.
0%
0%
27.12
sat
sat
Day
72°F
SE 10 mph
Precip.
0%
0%
Night
66°F
S 8 mph
Precip.
72%
72%
28.12
sun
sun
Day
75°F
SE 9 mph
Precip.
45%
45%
Night
68°F
N 7 mph
Precip.
0%
0%
29.12
mon
mon
Day
79°F
NE 7 mph
Precip.
0%
0%
Night
70°F
SE 4 mph
Precip.
24%
24%
30.12
tue
tue
Day
72°F
E 12 mph
Precip.
72%
72%
Night
66°F
NE 10 mph
Precip.
100%
100%
31.12
wed
wed
Day
68°F
NE 11 mph
Precip.
41%
41%
Night
64°F
N 14 mph
Precip.
24%
24%
01.01
thu
thu
Day
70°F
N 20 mph
Precip.
0%
0%
Night
64°F
NW 24 mph
Precip.
0%
0%
sea water
temperature
temperature
| Capetown |
monthly
weather
weather
| Capetown |
current
weather
weather
| Capetown |
7 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 56.6°F. The highest and lowest sea temperatures during the month were 58.1°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: 03:48
December 19, friday
0600
63°F
N
14 mph
14 mph
0900
68°F
N
15 mph
15 mph
1200
72°F
N
16 mph
16 mph
1500
72°F
N
19 mph
19 mph
1800
70°F
N
21 mph
21 mph
2100
66°F
N
21 mph
21 mph
December 20, saturday
0000
66°F
NW
16 mph
16 mph
0300
63°F
NW
14 mph
14 mph
