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Coldest beach in Hawaii in August

111 coastal locations in Hawaii ranked by their typical August sea temperature. State-wide average in August: 26.9°C.

Coldest in August

Hana, Maui Island, Hawaii

26.5°C

State August average

26.9°C

across 111 coastal locations in Hawaii

Vs annual mean

+1.1°C

above the year-round state average

What the Hawaii water feels like in August

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 August fits in the year

August 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 August 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 coldest Hawaii beaches in August

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

# Location August mean
1 Aiea Hawaii 26.8°C
2 Anahola Hawaii 26.8°C
3 Anini Beach Hawaii 26.8°C
4 Hanalei Hawaii 26.8°C
5 Heeia Hawaii 26.8°C
6 Hickam Housing Hawaii 26.8°C
7 Honolulu Hawaii 26.8°C
8 Iroquois Point Hawaii 26.8°C
9 Kahaluu Hawaii 26.8°C
10 Kaimana Beach Hawaii 26.8°C
11 Kaneohe Hawaii 26.8°C
12 Kapaa Hawaii 26.8°C
13 Pearl City Hawaii 26.8°C
14 Princeville Hawaii 26.8°C
15 Waikiki Hawaii 26.8°C
16 Waimea Hawaii 26.8°C
17 Kaanapali Hawaii 26.8°C
18 Kapalua Hawaii 26.8°C
19 Lahaina Hawaii 26.8°C
20 Laie Bay, Oahu Island, Hawaii Hawaii 26.8°C
21 Maalaea Hawaii 26.8°C
22 Napili Bay Hawaii 26.8°C
23 Waihee-Waiehu Hawaii 26.8°C
24 Waikane, Kaneohe Bay, Oahu Island, Hawaii Hawaii 26.8°C
25 Kahului, Kahului Harbor Hawaii 26.8°C
Show 25 more ▸
26 Kihei, Maalaea Bay, Maui Island, Hawaii Hawaii 26.8°C
27 Hilo Hawaii 26.7°C
28 Kaunakakai Hawaii 26.7°C
29 Molokai Hawaii 26.7°C
30 Wainaku Hawaii 26.7°C
31 Papaikou Hawaii 26.7°C
32 Hauula Hawaii 26.7°C
33 Kaaawa Hawaii 26.7°C
34 Kahuku Hawaii 26.7°C
35 Laie Hawaii 26.7°C
36 Punaluu Hawaii 26.7°C
37 Hanauma Bay Hawaii 26.7°C
38 Kailua Hawaii 26.7°C
39 Lanikai Hawaii 26.7°C
40 Waimanalo Beach Hawaii 26.7°C
41 Kahului Hawaii 26.7°C
42 Kihei Hawaii 26.7°C
43 Maui Hawaii 26.7°C
44 Paia Hawaii 26.7°C
45 Sugar Beach Hawaii 26.7°C
46 Hilo Bay Hawaii 26.6°C
47 Hilo, Hilo Bay, Kuhio Bay Island Hawaii 26.6°C
48 Honuapo, Hawaii Island, Hawaii Hawaii 26.6°C
49 Hana Hawaii 26.6°C
50 Hana, Maui Island, Hawaii Hawaii 26.5°C

Warmest 10 in Hawaii in August

Same data flipped. The warmest spots in the state for this month.

# Location August mean
1 Laysan Island, Hawaii Hawaii 27.7°C
2 Napoopoo, Kealakekua Bay, Hawaii Island, Hawaii Hawaii 27.4°C
3 East Island, French Frigate Shoals, Hawaii Hawaii 27.4°C
4 French Frigate Shoals Hawaii 27.4°C
5 Eleele Hawaii 27.3°C
6 Hanapepe Hawaii 27.3°C
7 Kealakekua Bay Hawaii 27.3°C
8 Kekaha Hawaii 27.3°C
9 Lihue Hawaii 27.3°C
10 Poipu Hawaii 27.3°C

Other US states

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