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

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

Sea temperature in Hawaii in october 2025

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

Direct access: O'ahu in october | Kauaʻi in october | Maui in october | Big Island in october

O'ahu in october

Honolulu (Oahu)

on average:

81°F

min: 79°F / max: 82°F

La'ie

on average:

80°F

min: 79°F / max: 81°F

Waianae

on average:

81°F

min: 79°F / max: 82°F

'Aiea

on average:

81°F

min: 79°F / max: 81°F

'Ewa Beach

on average:

81°F

min: 79°F / max: 82°F

Hale'iwa

on average:

80°F

min: 79°F / max: 81°F

Kauaʻi in october

Kauai (Garden Isle)

on average:

80°F

min: 79°F / max: 82°F

Kekaha

on average:

80°F

min: 79°F / max: 82°F

Kilauea

on average:

80°F

min: 78°F / max: 81°F

Niihau

on average:

81°F

min: 79°F / max: 82°F

Lihue

on average:

80°F

min: 79°F / max: 82°F

Anahola

on average:

80°F

min: 79°F / max: 82°F

Maui in october

Maui

on average:

80°F

min: 79°F / max: 81°F

Hana

on average:

80°F

min: 79°F / max: 81°F

Kahului

on average:

80°F

min: 79°F / max: 81°F

Molokai

on average:

80°F

min: 79°F / max: 81°F

Kahoolawe

on average:

80°F

min: 79°F / max: 81°F

Lanai

on average:

80°F

min: 79°F / max: 81°F

Big Island in october

Hilo

on average:

80°F

min: 79°F / max: 81°F

Captain Cook

on average:

80°F

min: 79°F / max: 81°F

Pahala

on average:

80°F

min: 79°F / max: 81°F

island of Hawaii (Big Island)

on average:

80°F

min: 79°F / max: 81°F

Hawaiian Ocean View

on average:

80°F

min: 79°F / max: 81°F

Hawi

on average:

80°F

min: 79°F / max: 81°F

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Sea temperature in september in Hawaii

Sea temperature in november in Hawaii

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

Swimming in Hawaii in october is ideal

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

In october in 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 conditions are perfect! With water reaching a maximum of 82°F and an average of 81°F, going in the water (and staying there!) feels great.

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

ideal swimming

pleasant swimming

cool swimming

cold swimming

freezing swimming

Water temperature and seasonal norms in october

Honolulu (Oahu)

	September	October	November
Average sea temperature	81°F	81°F	79°F
Minimum sea temperature	79°F	79°F	77°F
Maximum sea temperature	83°F	82°F	81°F
Average outside temperature	81°F	81°F	79°F
Maximum outside temperature	83°F	83°F	81°F
Minimum outside temperature	79°F	77°F	76°F
Precipitation	2.6in	3.2in	2.3in
Number of days of precipitation	3 jour(s) (11%)	5 jour(s) (15%)	3 jour(s) (9%)
Cloud cover	33%	34%	37%
Our opinion	ideal swimming	ideal swimming	pleasant swimming

More information on swimming in Honolulu (Oahu) in october

Kauai (Garden Isle)

	September	October	November
Average sea temperature	81°F	80°F	79°F
Minimum sea temperature	79°F	79°F	77°F
Maximum sea temperature	82°F	82°F	80°F
Average outside temperature	81°F	79°F	77°F
Maximum outside temperature	83°F	81°F	79°F
Minimum outside temperature	79°F	79°F	77°F
Precipitation	3.3in	3.9in	4.3in
Number of days of precipitation	4 jour(s) (15%)	6 jour(s) (18%)	7 jour(s) (23%)
Cloud cover	38%	39%	43%
Our opinion	ideal swimming	ideal swimming	pleasant swimming

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

Maui

	September	October	November
Average sea temperature	81°F	80°F	79°F
Minimum sea temperature	79°F	79°F	77°F
Maximum sea temperature	83°F	81°F	81°F
Average outside temperature	81°F	79°F	77°F
Maximum outside temperature	81°F	81°F	79°F
Minimum outside temperature	79°F	79°F	77°F
Precipitation	0.9in	1.1in	1.1in
Number of days of precipitation	1 jour(s) (3%)	1 jour(s) (4%)	1 jour(s) (4%)
Cloud cover	24%	26%	29%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Maui in october

Hilo

	September	October	November
Average sea temperature	79°F	80°F	78°F
Minimum sea temperature	78°F	79°F	77°F
Maximum sea temperature	81°F	81°F	80°F
Average outside temperature	76°F	76°F	74°F
Maximum outside temperature	77°F	77°F	76°F
Minimum outside temperature	74°F	74°F	72°F
Precipitation	3.9in	5.4in	6.1in
Number of days of precipitation	5 jour(s) (18%)	7 jour(s) (24%)	8 jour(s) (26%)
Cloud cover	31%	31%	37%
Our opinion	ideal swimming	ideal swimming	pleasant swimming

More information on swimming in Hilo in october

Captain Cook

	September	October	November
Average sea temperature	80°F	80°F	79°F
Minimum sea temperature	79°F	79°F	77°F
Maximum sea temperature	82°F	81°F	81°F
Average outside temperature	74°F	74°F	70°F
Maximum outside temperature	76°F	76°F	72°F
Minimum outside temperature	70°F	70°F	68°F
Precipitation	3.8in	4in	3.3in
Number of days of precipitation	6 jour(s) (22%)	6 jour(s) (20%)	4 jour(s) (14%)
Cloud cover	29%	22%	19%
Our opinion	ideal swimming	ideal swimming	pleasant swimming

More information on swimming in Captain Cook in october

List of coastal cities in Hawaii

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