World Resorts South Africa Capetown Weather

Capetown Sea Temperature in May

Average sea water temperature in May:
+57.3°F
Minimum sea water temperature in May: 60.4°F
Maximum sea water temperature in May: 50.5°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 58.6°F. The highest and lowest sea temperatures during the month were 60.3°F and 57.4°F.

Monthly sea water temperature in Capetown, °F

Which South Africa resorts have warmest sea in May?

Place name May 2026 May 2025
Durban 76.3°F 73.7°F
Port Elizabeth 65.0°F 63.1°F
Capetown 58.6°F 56.2°F

Best time for vacation in Capetown

Sunniest months:
January 24 days
February 22 days
December 22 days
Warmest months:
January 77.0 °F
February 76.9 °F
March 74.7 °F
Warmest sea temp:
February 62.0 °F
January 61.7 °F
March 60.6 °F
Coldest months:
July 60.6 °F
August 61.4 °F
June 61.9 °F
Rainiest months:
June 6 days
August 5 days
July 5 days
Windiest months:
January 11.7 mph
December 11.7 mph
November 11.6 mph

Capetown on a weather map

Current weather
15:05
Capetown
+66°F
NW 16 mph
Feels like: +66°F
Precip.: 0%
Places in South Africa:
Name
°F
Durban
+73°F
Johannesburg
+70°F
Capetown
+66°F
Pilanesberg
+75°F
Port Elizabeth
+68°F
Pretoria
+72°F
Hazyview
+75°F
24 Hours Forecast
Capetown
Local time: 15:05
May 18, monday
1800
64°F
NW
16 mph
2100
63°F
NW
17 mph
May 19, tuesday
0000
63°F
NW
19 mph
0300
63°F
NW
20 mph
0600
63°F
NW
19 mph
0900
63°F
NW
17 mph
1200
66°F
NW
13 mph
1500
68°F
NW
9 mph
Units of measurement: °C / °F