Swimming in South Africa in may 2025 Sea temperature by city in may
Do you want to go to the beach in South Africa in may 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in may in South Africa by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in South Africa in may 2025
Here, find the average sea temperature in South Africa in may in several coastal cities.
Western Cape in may
62°F
min: 59°F / max: 65°F
62°F
min: 61°F / max: 64°F
Agulhas National Park
62°F
min: 59°F / max: 65°F
Arniston
62°F
min: 59°F / max: 65°F
Cape of Good Hope
63°F
min: 59°F / max: 67°F
Cape Agulhas
62°F
min: 59°F / max: 65°F
KwaZulu-Natal in may
75°F
min: 73°F / max: 78°F
75°F
min: 72°F / max: 78°F
76°F
min: 75°F / max: 78°F
75°F
min: 73°F / max: 78°F
iSimangaliso Wetland Park
77°F
min: 76°F / max: 79°F
Santa Lucia
76°F
min: 75°F / max: 78°F
Eastern Cape in may
69°F
min: 66°F / max: 72°F
75°F
min: 73°F / max: 78°F
75°F
min: 72°F / max: 78°F
Kenton-on-Sea
72°F
min: 68°F / max: 75°F
Port St Johns
76°F
min: 73°F / max: 79°F
St Francis Bay
66°F
min: 62°F / max: 71°F
Northern Cape in may
58°F
min: 56°F / max: 61°F
Hondeklip Bay
59°F
min: 58°F / max: 61°F
Kleinsee
58°F
min: 56°F / max: 61°F
Lepelsfontein
59°F
min: 57°F / max: 60°F
Where should you go swimming in South Africa in the month of may?
Swimming in South Africa in may is pleasant (in the best case scenario)
In may in South Africa swimming conditions vary by city. Details below:
As for Durban, Coffee Bay, East London, Margate, Richards Bay, Ballito (Dolphin Coast), iSimangaliso Wetland Park, Kenton-on-Sea, Port St Johns, Santa Lucia, Sodwana Bay, The Wild Coast, Port Alfred and Port Shepstone, swimming is pleasant in may. The sea water is 75°F on average (min: 73°F/max: 78°F) so you can easily spend time in the water.
Swimming in may in Port Elizabeth (South Africa), Cape of Good Hope, Gansbaai, Knysna, Pearly Beach, St Francis Bay, Wilderness, Jeffrey's Bay and Plettenberg Bay is possible but the sea is generally cool. So though the sea temperature may sometimes reach 72°F, it can also go as low as 66°F. Note that the average is 69°F.
Swimming in may in Cape Town, George, Agulhas National Park, Arniston, Cape Agulhas, Groot-Jongensfontein, Hermanus, Still Bay, Witsand, Mossel Bay and Saldanha is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 62°F (min: 59°F/max: 65°F).
Forget about swimming in Port Nolloth, Hondeklip Bay, Kleinsee and Lepelsfontein in may! The water temperature is freezing, reaching as low as 56°F (and only 61°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in South Africa in may: the map of sea temperatures
Water temperature and seasonal norms in may
Cape Town
May | |||
Average sea temperature | 62°F | ||
Minimum sea temperature | 59°F | ||
Maximum sea temperature | 65°F | ||
Average outside temperature | 65°F | ||
Maximum outside temperature | 70°F | ||
Minimum outside temperature | 59°F | ||
Precipitation | 4.8in | ||
Number of days of precipitation | 6 jour(s) (18%) | ||
Cloud cover | 32% | ||
Our opinion | cold swimming |
More information on swimming in Cape Town in may
Durban
May | |||
Average sea temperature | 75°F | ||
Minimum sea temperature | 73°F | ||
Maximum sea temperature | 78°F | ||
Average outside temperature | 70°F | ||
Maximum outside temperature | 76°F | ||
Minimum outside temperature | 65°F | ||
Precipitation | 2.8in | ||
Number of days of precipitation | 3 jour(s) (9%) | ||
Cloud cover | 26% | ||
Our opinion | pleasant swimming |
More information on swimming in Durban in may
Port Elizabeth (South Africa)
May | |||
Average sea temperature | 69°F | ||
Minimum sea temperature | 66°F | ||
Maximum sea temperature | 72°F | ||
Average outside temperature | 68°F | ||
Maximum outside temperature | 74°F | ||
Minimum outside temperature | 63°F | ||
Precipitation | 1.7in | ||
Number of days of precipitation | 3 jour(s) (8%) | ||
Cloud cover | 25% | ||
Our opinion | cool swimming |
More information on swimming in Port Elizabeth (South Africa) in may
Coffee Bay
May | |||
Average sea temperature | 75°F | ||
Minimum sea temperature | 73°F | ||
Maximum sea temperature | 78°F | ||
Average outside temperature | 63°F | ||
Maximum outside temperature | 74°F | ||
Minimum outside temperature | 54°F | ||
Precipitation | 1.3in | ||
Number of days of precipitation | 2 jour(s) (6%) | ||
Cloud cover | 24% | ||
Our opinion | pleasant swimming |
More information on swimming in Coffee Bay in may
East London
May | |||
Average sea temperature | 75°F | ||
Minimum sea temperature | 72°F | ||
Maximum sea temperature | 78°F | ||
Average outside temperature | 70°F | ||
Maximum outside temperature | 74°F | ||
Minimum outside temperature | 65°F | ||
Precipitation | 1.4in | ||
Number of days of precipitation | 2 jour(s) (7%) | ||
Cloud cover | 26% | ||
Our opinion | pleasant swimming |
More information on swimming in East London in may
List of coastal cities in South Africa
Cape Town in may | cold swimming |
Durban in may | pleasant swimming |
Port Elizabeth (South Africa) in may | cool swimming |
Coffee Bay in may | pleasant swimming |
East London in may | pleasant swimming |
George in may | cold swimming |
Margate in may | pleasant swimming |
Port Nolloth in may | freezing swimming |
Richards Bay in may | pleasant swimming |
Agulhas National Park in may | cold swimming |
Arniston in may | cold swimming |
Ballito (Dolphin Coast) in may | pleasant swimming |
Cape of Good Hope in may | cool swimming |
Cape Agulhas in may | cold swimming |
Gansbaai in may | cool swimming |
Groot-Jongensfontein in may | cold swimming |
Hermanus in may | cold swimming |
Hondeklip Bay in may | freezing swimming |
iSimangaliso Wetland Park in may | pleasant swimming |
Kenton-on-Sea in may | pleasant swimming |
Kleinsee in may | freezing swimming |
Knysna in may | cool swimming |
Lepelsfontein in may | freezing swimming |
Pearly Beach in may | cool swimming |
Port St Johns in may | pleasant swimming |
Santa Lucia in may | pleasant swimming |
Sodwana Bay in may | pleasant swimming |
St Francis Bay in may | cool swimming |
Still Bay in may | cold swimming |
The Wild Coast in may | pleasant swimming |
Wilderness in may | cool swimming |
Witsand in may | cold swimming |
Jeffrey's Bay in may | cool swimming |
Mossel Bay in may | cold swimming |
Plettenberg Bay in may | cool swimming |
Port Alfred in may | pleasant swimming |
Port Shepstone in may | pleasant swimming |
Saldanha in may | cold swimming |