Measurements:
°C
°F
Capetown
68°F
NW 14 mph
Feels like: 68°F
Precip: 0%
World Resorts South Africa Capetown Weather

Capetown Sea Water Temperature

Current Sea Water Temperature:
+61.4°F
Maximum Sea Water Temperature in May: 61.6°F
Minimum Sea Water Temperature in May: 50.6°F
Average water temperature in May: 58.2°F

Sea Water Temperature for the Last 10 Days:

May 18 61.4°F May 13 58.8°F
May 17 60.6°F May 12 58.6°F
May 16 60.0°F May 11 59.2°F
May 15 60.2°F May 10 60.0°F
May 14 58.2°F May 09 60.0°F

When is the Warmest Sea for Capetown?

According to our data for the last three years for Capetown the highest average sea water temperature was in February, January and March.

Average Water Temperature by Month, °F

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Capetown was 61.1°F. The maximum and minimum values were 53.6°F and 68.2°F respectively.

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Capetown was 57.6°F. The maximum and minimum values were 52.8°F and 62.0°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Capetown was 63.9°F. The maximum and minimum values were 59.6°F and 69.0°F respectively.

Best Time to Visit Capetown
The most sunny months:
January 24 days
February 22 days
December 22 days
The most warm months:
January 80.0 °F
February 79.9 °F
March 77.4 °F
Warmest sea temperature:
February 63.4 °F
January 63.0 °F
March 61.7 °F
The most cold months:
July 61.8 °F
August 62.6 °F
June 63.2 °F
The most rainy months:
June 6 days
August 5 days
July 5 days
The most windy months:
January 11 mph
December 11 mph
November 11 mph

Capetown on the Weather Map

South Africa Resorts:
NAME
Capetown +68
Durban +76
Hazyview +78
Johannesburg +68
Pilanesberg +74
Port Elizabeth +70
Pretoria +70
24 Hours Weather Forecast
Capetown
Local time: 13:28
18 may, monday
1500 68°F
NW
16 mph
1800 66°F
NW
16 mph
2100 66°F
NW
17 mph
19 may, tuesday
0000 64°F
NW
19 mph
0300 64°F
NW
19 mph
0600 64°F
NW
19 mph
0900 64°F
NW
17 mph
1200 68°F
NW
12 mph