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Warmest beach in Hawaii in May

111 coastal locations in Hawaii ranked by their typical May sea temperature. State-wide average in May: 25.3°C.

Warmest in May

Island of Hawaii

25.9°C

State May average

25.3°C

across 111 coastal locations in Hawaii

Vs annual mean

-0.5°C

below the year-round state average

What the Hawaii water feels like in May

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

Hawaii monthly average 24.4°C to 27.2°C
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  • Warmest month September 27.2°C
  • Coldest month March 24.4°C
  • Annual mean 25.8°C
  • Months above 20°C 12 of 12

Where May fits in the year

May sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

Hawaii sea temperature map (live)

Today's reading at every Hawaii beach we track. The list below uses the typical May mean from a decade of daily history.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Hawaii beaches in May

Sorted by typical May mean. Click any beach for the full location page.

# Location May mean
1 Island of Hawaii Hawaii 25.9°C
2 Kahaluu-Keauhou Hawaii 25.9°C
3 Kailua Kona Hawaii 25.9°C
4 Kealakekua Bay Hawaii 25.9°C
5 Napoopoo, Kealakekua Bay, Hawaii Island, Hawaii Hawaii 25.8°C
6 Kua Bay Hawaii 25.8°C
7 Eleele Hawaii 25.7°C
8 Hanapepe Hawaii 25.7°C
9 Hapuna Beach Hawaii 25.7°C
10 Kekaha Hawaii 25.7°C
11 Puako Hawaii 25.7°C
12 Waikoloa Village Hawaii 25.7°C
13 Lihue Hawaii 25.7°C
14 Poipu Hawaii 25.7°C
15 Nonopapa, Niihau Island, Hawaii Hawaii 25.6°C
16 Port Allen, Hanapepe Bay, Kauai Island Hawaii 25.6°C
17 Waimea Bay, Kauai Island, Hawaii Hawaii 25.6°C
18 Mahukona, Hawaii Island, Hawaii Hawaii 25.5°C
19 Hanamaulu Bay, Kauai Island, Hawaii Hawaii 25.5°C
20 Kawaihae Hawaii 25.5°C
21 Nawiliwili, Nawiliwili Harbor, Kauai Island Hawaii 25.5°C
22 Waianae, Oahu Island, Hawaii Hawaii 25.5°C
23 Kaumalapau, Lanai Island, Hawaii Hawaii 25.4°C
24 Ewa Beach Hawaii 25.4°C
25 Ko Olina Hawaii 25.4°C
Show 25 more ▸
26 Kuheia Bay, Kahoolawe Island, Hawaii Hawaii 25.4°C
27 Maili Hawaii 25.4°C
28 Makaha Hawaii 25.4°C
29 Nanakuli Hawaii 25.4°C
30 Oahu Hawaii 25.4°C
31 Smuggler Cove, Kahoolawe Island, Hawaii Hawaii 25.4°C
32 Waianae Hawaii 25.4°C
33 Waipahu Hawaii 25.4°C
34 Waimea Hawaii 25.4°C
35 Lanai Hawaii 25.4°C
36 Kauai Hawaii 25.4°C
37 Molokini Hawaii 25.3°C
38 Wailea Hawaii 25.3°C
39 Anahola Hawaii 25.3°C
40 Anini Beach Hawaii 25.3°C
41 Hanalei Hawaii 25.3°C
42 Kapaa Hawaii 25.3°C
43 Princeville Hawaii 25.3°C
44 Wailua Hawaii 25.3°C
45 Fort Kamehameha, Bishop Point, Pearl Harbor, Oahu Island Hawaii 25.3°C
46 Honolulu, Honolulu Harbor, Oahu Island Hawaii 25.3°C
47 Moku o Loe, Kaneohe Bay, Oahu Island Hawaii 25.3°C
48 Pearl Harbor, Ford Island Ferry Dock, Oahu Island Hawaii 25.3°C
49 Hilo Hawaii 25.3°C
50 Wainaku Hawaii 25.3°C

Coldest 10 in Hawaii in May

Same data the other way.

# Location May mean
1 Laysan Island, Hawaii Hawaii 24.3°C
2 Hana, Maui Island, Hawaii Hawaii 24.9°C
3 Hilo Bay Hawaii 25.1°C
4 Hilo, Hilo Bay, Kuhio Bay Island Hawaii 25.1°C
5 Hana Hawaii 25.1°C
6 Hauula Hawaii 25.1°C
7 Kaaawa Hawaii 25.1°C
8 Kahuku Hawaii 25.1°C
9 Laie Hawaii 25.1°C
10 Punaluu Hawaii 25.1°C

Other US states

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