Current sea water temperature:
+60.3°F
| Minimum sea water temperature in May: | 60.4°F |
| Maximum sea water temperature in May: | 50.5°F |
| Average sea water temperature in May: | 57.3°F |
| more information | |
14 days
forecast
forecast
| Capetown |
monthly
weather
weather
| Capetown |
Sea water temperature for the last 10 days:
| May 18 | 60.3°F | May 13 | 57.9°F |
| May 17 | 59.5°F | May 12 | 57.7°F |
| May 16 | 59.0°F | May 11 | 58.3°F |
| May 15 | 59.2°F | May 10 | 59.0°F |
| May 14 | 57.4°F | May 9 | 59.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Capetown?
Based on the data about daily sea water temperature for the last three years the warmest sea in Capetown was noticed in February, January and March.
Monthly Sea Temperatures in Capetown, °F
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 60.0°F. The highest and lowest sea temperatures during the month were 66.4°F and 53.2°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 56.9°F. The highest and lowest sea temperatures during the month were 60.8°F and 52.5°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 62.5°F. The highest and lowest sea temperatures during the month were 67.1°F and 58.6°F.
current
weather
weather
| Capetown |
weather in
May
May
| Capetown |
Best time for vacation in Capetown
Capetown on a weather map
Places in South Africa:
Name
°F
24 Hours Forecast
Capetown
Local time: 14:18
May 18, monday
1500

66°F
NW
16 mph
16 mph
1800

64°F
NW
16 mph
16 mph
2100

64°F
NW
17 mph
17 mph
May 19, tuesday
0000

63°F
NW
19 mph
19 mph
0300

63°F
NW
19 mph
19 mph
0600

63°F
NW
19 mph
19 mph
0900

63°F
NW
17 mph
17 mph
1200

66°F
NW
12 mph
12 mph


























