Swimming in the South Pacific Islands in may 2025 Sea temperature by city in may

Do you want to go to the beach in the South Pacific Islands 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 the South Pacific Islands by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in the South Pacific Islands in may 2025

Here, find the average sea temperature in the South Pacific Islands in may in several coastal cities.

Samoan Islands in may

on average:

85°F

min: 84°F / max: 87°F

on average:

85°F

min: 84°F / max: 87°F

on average:

85°F

min: 83°F / max: 87°F

on average:

85°F

min: 83°F / max: 86°F

Apolima island

on average:

85°F

min: 83°F / max: 87°F

Lalomanu Beach

on average:

85°F

min: 83°F / max: 87°F

Cook islands in may

on average:

79°F

min: 76°F / max: 83°F

on average:

79°F

min: 76°F / max: 83°F

Tonga in may

on average:

80°F

min: 78°F / max: 83°F

on average:

81°F

min: 79°F / max: 83°F

on average:

80°F

min: 78°F / max: 83°F

on average:

82°F

min: 79°F / max: 85°F

Tuvalu in may

on average:

86°F

min: 84°F / max: 88°F

on average:

86°F

min: 84°F / max: 88°F

on average:

86°F

min: 84°F / max: 88°F

Solomon islands in may

on average:

86°F

min: 85°F / max: 88°F

on average:

86°F

min: 85°F / max: 88°F

on average:

86°F

min: 85°F / max: 88°F

on average:

86°F

min: 85°F / max: 87°F

Kiribati in may

on average:

85°F

min: 82°F / max: 88°F

on average:

83°F

min: 81°F / max: 86°F

Vanuatu in may

Lenakel

on average:

81°F

min: 78°F / max: 84°F

Luganville

on average:

84°F

min: 82°F / max: 86°F

Norsup

on average:

84°F

min: 82°F / max: 86°F

Sola

on average:

85°F

min: 82°F / max: 88°F

Where should you go swimming in the South Pacific Islands in the month of may?

Swimming in the South Pacific Islands in may is ideal (in the best case scenario)

In may in the South Pacific Islands swimming conditions vary by city. Details below:

In may in Apia, Nukuʻalofa, Vaiaku (Fongafale), Honiara, Kiribati, Samoan Islands, Savai'i island, Tarawa, Upolu island, Christmas Island, Funafuti, Guadalcanal Island, Haʻapai islands (Lifuka and Foa), Malaita Island, New Georgia Islands, Nukufetau, Pago Pago (American Samoa), Tongatapu Island, Vavaʻu island, Apolima island, Lalomanu Beach, Lenakel, Lotofaga, Luganville, Manase, Manono island, Norsup, O Le Pupu-Pue National Park, Salelologa and Sola, swimming conditions are perfect! With water reaching a maximum of 87°F and an average of 85°F, going in the water (and staying there!) feels great.

As for Avarua and Rarotonga island, swimming is pleasant in may. The sea water is 79°F on average (min: 76°F/max: 83°F) so you can easily spend time in the water.

Where to go swimming in the South Pacific Islands in may: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in may

Apia

May
Average sea temperature 85°F
Minimum sea temperature 84°F
Maximum sea temperature 87°F
Average outside temperature 83°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 9.8in
Number of days of precipitation 13 jour(s)
(42%)
Cloud cover 43%
Our opinion ideal swimming

More information on swimming in Apia in may

Avarua

May
Average sea temperature 79°F
Minimum sea temperature 76°F
Maximum sea temperature 83°F
Average outside temperature 79°F
Maximum outside temperature 79°F
Minimum outside temperature 77°F
Precipitation 7.6in
Number of days of precipitation 9 jour(s)
(28%)
Cloud cover 47%
Our opinion pleasant swimming

More information on swimming in Avarua in may

Nukuʻalofa

May
Average sea temperature 80°F
Minimum sea temperature 78°F
Maximum sea temperature 83°F
Average outside temperature 77°F
Maximum outside temperature 79°F
Minimum outside temperature 77°F
Precipitation 6.1in
Number of days of precipitation 5 jour(s)
(18%)
Cloud cover 47%
Our opinion ideal swimming

More information on swimming in Nukuʻalofa in may

Vaiaku (Fongafale)

May
Average sea temperature 86°F
Minimum sea temperature 84°F
Maximum sea temperature 88°F
Average outside temperature 85°F
Maximum outside temperature 86°F
Minimum outside temperature 85°F
Precipitation 13in
Number of days of precipitation 18 jour(s)
(57%)
Cloud cover 44%
Our opinion ideal swimming

More information on swimming in Vaiaku (Fongafale) in may

Honiara

May
Average sea temperature 86°F
Minimum sea temperature 85°F
Maximum sea temperature 88°F
Average outside temperature 85°F
Maximum outside temperature 86°F
Minimum outside temperature 81°F
Precipitation 14.7in
Number of days of precipitation 22 jour(s)
(70%)
Cloud cover 41%
Our opinion ideal swimming

More information on swimming in Honiara in may

List of coastal cities in the South Pacific Islands

Apia in mayideal swimming
Avarua in maypleasant swimming
Nukuʻalofa in mayideal swimming
Vaiaku (Fongafale) in mayideal swimming
Honiara in mayideal swimming
Kiribati in mayideal swimming
Samoan Islands in mayideal swimming
Rarotonga island in maypleasant swimming
Savai'i island in mayideal swimming
Tarawa in mayideal swimming
Upolu island in mayideal swimming
Christmas Island in mayideal swimming
Funafuti in mayideal swimming
Guadalcanal Island in mayideal swimming
Haʻapai islands (Lifuka and Foa) in mayideal swimming
Malaita Island in mayideal swimming
New Georgia Islands in mayideal swimming
Nukufetau in mayideal swimming
Pago Pago (American Samoa) in mayideal swimming
Tongatapu Island in mayideal swimming
Vavaʻu island in mayideal swimming
Apolima island in mayideal swimming
Lalomanu Beach in mayideal swimming
Lenakel in mayideal swimming
Lotofaga in mayideal swimming
Luganville in mayideal swimming
Manase in mayideal swimming
Manono island in mayideal swimming
Norsup in mayideal swimming
O Le Pupu-Pue National Park in mayideal swimming
Salelologa in mayideal swimming
Sola in mayideal swimming
Change units