Swimming in Hawaii in may 2025 Sea temperature by city in may

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

Sea temperature in Hawaii in may 2025

Here, find the average sea temperature in Hawaii in may in several coastal cities.

O'ahu in may

on average:

79°F

min: 77°F / max: 80°F

on average:

78°F

min: 76°F / max: 80°F

on average:

78°F

min: 77°F / max: 81°F

'Aiea

on average:

78°F

min: 76°F / max: 80°F

'Ewa Beach

on average:

79°F

min: 77°F / max: 81°F

Hale'iwa

on average:

78°F

min: 76°F / max: 80°F

Kauaʻi in may

on average:

78°F

min: 76°F / max: 80°F

on average:

79°F

min: 76°F / max: 81°F

on average:

78°F

min: 75°F / max: 81°F

on average:

79°F

min: 76°F / max: 81°F

Lihue

on average:

78°F

min: 75°F / max: 81°F

Anahola

on average:

78°F

min: 75°F / max: 81°F

Maui in may

on average:

78°F

min: 77°F / max: 80°F

on average:

77°F

min: 76°F / max: 80°F

on average:

77°F

min: 76°F / max: 80°F

on average:

78°F

min: 76°F / max: 80°F

Kahoolawe

on average:

78°F

min: 77°F / max: 80°F

Lanai

on average:

78°F

min: 77°F / max: 80°F

Big Island in may

on average:

77°F

min: 76°F / max: 79°F

on average:

78°F

min: 76°F / max: 79°F

on average:

78°F

min: 76°F / max: 79°F

island of Hawaii (Big Island)

on average:

78°F

min: 76°F / max: 79°F

Hawaiian Ocean View

on average:

78°F

min: 77°F / max: 79°F

Hawi

on average:

78°F

min: 76°F / max: 79°F

Where should you go swimming in Hawaii in the month of may?

Swimming in Hawaii in may is pleasant

In may in Hawaii swimming conditions are generally the same everywhere.

As for Honolulu (Oahu), Kauai (Garden Isle), Maui, Hilo, Captain Cook, Hana, Kahului, Kekaha, Kilauea, La'ie, Molokai, Niihau, Pahala, Waianae, island of Hawaii (Big Island), Kahoolawe, Lanai, Lihue, 'Aiea, 'Ewa Beach, Anahola, Hale'iwa, Hau'ula, Hawaiian Ocean View, Hawi, Holualoa, Honoka'a, Kailua, Kalaheo, Kaneohe, Kapaau, Kaunakakai, Kihei, Koloa, Paia, Papa'ikou, Pearl City, Waialua, Waikoloa, Wailuku, Waimanalo, Waimea and Waipahu, swimming is pleasant in may. The sea water is 79°F on average (min: 77°F/max: 80°F) so you can easily spend time in the water.

Where to go swimming in Hawaii in may: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in may

Honolulu (Oahu)

May
Average sea temperature 79°F
Minimum sea temperature 77°F
Maximum sea temperature 80°F
Average outside temperature 77°F
Maximum outside temperature 79°F
Minimum outside temperature 76°F
Precipitation 2.8in
Number of days of precipitation 3 jour(s)
(10%)
Cloud cover 35%
Our opinion pleasant swimming

More information on swimming in Honolulu (Oahu) in may

Kauai (Garden Isle)

May
Average sea temperature 78°F
Minimum sea temperature 76°F
Maximum sea temperature 80°F
Average outside temperature 77°F
Maximum outside temperature 79°F
Minimum outside temperature 76°F
Precipitation 4.2in
Number of days of precipitation 6 jour(s)
(19%)
Cloud cover 41%
Our opinion pleasant swimming

More information on swimming in Kauai (Garden Isle) in may

Maui

May
Average sea temperature 78°F
Minimum sea temperature 77°F
Maximum sea temperature 80°F
Average outside temperature 77°F
Maximum outside temperature 79°F
Minimum outside temperature 76°F
Precipitation 1.1in
Number of days of precipitation 1 jour(s)
(3%)
Cloud cover 29%
Our opinion pleasant swimming

More information on swimming in Maui in may

Hilo

May
Average sea temperature 77°F
Minimum sea temperature 76°F
Maximum sea temperature 79°F
Average outside temperature 70°F
Maximum outside temperature 72°F
Minimum outside temperature 68°F
Precipitation 4in
Number of days of precipitation 6 jour(s)
(18%)
Cloud cover 35%
Our opinion pleasant swimming

More information on swimming in Hilo in may

Captain Cook

May
Average sea temperature 78°F
Minimum sea temperature 76°F
Maximum sea temperature 79°F
Average outside temperature 70°F
Maximum outside temperature 72°F
Minimum outside temperature 68°F
Precipitation 3.7in
Number of days of precipitation 5 jour(s)
(17%)
Cloud cover 29%
Our opinion pleasant swimming

More information on swimming in Captain Cook in may

List of coastal cities in Hawaii

Honolulu (Oahu) in maypleasant swimming
Kauai (Garden Isle) in maypleasant swimming
Maui in maypleasant swimming
Hilo in maypleasant swimming
Captain Cook in maypleasant swimming
Hana in maypleasant swimming
Kahului in maypleasant swimming
Kekaha in maypleasant swimming
Kilauea in maypleasant swimming
La'ie in maypleasant swimming
Molokai in maypleasant swimming
Niihau in maypleasant swimming
Pahala in maypleasant swimming
Waianae in maypleasant swimming
island of Hawaii (Big Island) in maypleasant swimming
Kahoolawe in maypleasant swimming
Lanai in maypleasant swimming
Lihue in maypleasant swimming
'Aiea in maypleasant swimming
'Ewa Beach in maypleasant swimming
Anahola in maypleasant swimming
Hale'iwa in maypleasant swimming
Hau'ula in maypleasant swimming
Hawaiian Ocean View in maypleasant swimming
Hawi in maypleasant swimming
Holualoa in maypleasant swimming
Honoka'a in maypleasant swimming
Kailua in maypleasant swimming
Kalaheo in maypleasant swimming
Kaneohe in maypleasant swimming
Kapaau in maypleasant swimming
Kaunakakai in maypleasant swimming
Kihei in maypleasant swimming
Koloa in maypleasant swimming
Paia in maypleasant swimming
Papa'ikou in maypleasant swimming
Pearl City in maypleasant swimming
Waialua in maypleasant swimming
Waikoloa in maypleasant swimming
Wailuku in maypleasant swimming
Waimanalo in maypleasant swimming
Waimea in maypleasant swimming
Waipahu in maypleasant swimming
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