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Coldest beach in Hawaii

111 coastal locations in Hawaii ranked by year-round average sea temperature, coldest first. The state-wide average is 25.8°C. The coldest month is March at 24.4°C. Click any beach for its 30-day chart and 10-year history.

Coldest year-round

Laysan Island, Hawaii

25.3°C annual mean

State-wide average

25.8°C

across 111 Hawaii coastal locations

Coldest month

March

24.4°C state-wide average

What the water feels like in March

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body 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

Month by month around the Hawaii coast

Hawaii sea temperatures swing from 24.4°C in March to 27.2°C in September on average across the coast. That's a spread of 3°C. Pick a single month for a focused ranking:

Hawaii sea temperature map

Today's pin colours show the latest daily reading at every Hawaii beach we track. Drag and zoom; click any pin for that beach's full page.

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 coldest beaches in Hawaii

Sorted by year-round average. Click any beach for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 Hilo Hawaii 25.7°C
2 Kauai Hawaii 25.7°C
3 Laie Bay, Oahu Island, Hawaii Hawaii 25.7°C
4 Waikane, Kaneohe Bay, Oahu Island, Hawaii Hawaii 25.7°C
5 Wainaku Hawaii 25.7°C
6 Kaunakakai Hawaii 25.7°C
7 Molokai Hawaii 25.7°C
8 Papaikou Hawaii 25.7°C
9 Aiea Hawaii 25.7°C
10 Heeia Hawaii 25.7°C
11 Hickam Housing Hawaii 25.7°C
12 Honolulu Hawaii 25.7°C
13 Iroquois Point Hawaii 25.7°C
14 Kahaluu Hawaii 25.7°C
15 Kaimana Beach Hawaii 25.7°C
16 Kaneohe Hawaii 25.7°C
17 Pearl City Hawaii 25.7°C
18 Waikiki Hawaii 25.7°C
19 Anahola Hawaii 25.7°C
20 Anini Beach Hawaii 25.7°C
21 Hanalei Hawaii 25.7°C
22 Hilo Bay Hawaii 25.7°C
23 Hilo, Hilo Bay, Kuhio Bay Island Hawaii 25.7°C
24 Kapaa Hawaii 25.7°C
25 Princeville Hawaii 25.7°C
Show 25 more ▸
26 Wailua Hawaii 25.7°C
27 Kahului Hawaii 25.6°C
28 Kihei Hawaii 25.6°C
29 Maui Hawaii 25.6°C
30 Paia Hawaii 25.6°C
31 Sugar Beach Hawaii 25.6°C
32 Banzai Pipeline Hawaii 25.6°C
33 Ehukai Beach Park Hawaii 25.6°C
34 Haleiwa Hawaii 25.6°C
35 North Shore Hawaii 25.6°C
36 Sunset Beach Hawaii 25.6°C
37 Waialua Hawaii 25.6°C
38 Waimea Bay Hawaii 25.6°C
39 Hana, Maui Island, Hawaii Hawaii 25.6°C
40 Hanauma Bay Hawaii 25.6°C
41 Kailua Hawaii 25.6°C
42 Lanikai Hawaii 25.6°C
43 Waimanalo Beach Hawaii 25.6°C
44 Hana Hawaii 25.6°C
45 Hauula Hawaii 25.5°C
46 Kaaawa Hawaii 25.5°C
47 Kahuku Hawaii 25.5°C
48 Laie Hawaii 25.5°C
49 Punaluu Hawaii 25.5°C
50 Laysan Island, Hawaii Hawaii 25.3°C

Warmest 10 in Hawaii for contrast

Same data flipped. The warmest year-round spots in the state.

# Location Annual mean
1 Napoopoo, Kealakekua Bay, Hawaii Island, Hawaii Hawaii 26.4°C
2 Kealakekua Bay Hawaii 26.3°C
3 Island of Hawaii Hawaii 26.3°C
4 Kahaluu-Keauhou Hawaii 26.3°C
5 Kailua Kona Hawaii 26.3°C
6 Kua Bay Hawaii 26.1°C
7 Hapuna Beach Hawaii 26.1°C
8 Nonopapa, Niihau Island, Hawaii Hawaii 26.1°C
9 Puako Hawaii 26.1°C
10 Waikoloa Village Hawaii 26.1°C

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