World Resorts USA Hawaii Weather

Hawaii Sea Temperature in October

Average sea water temperature in October:
+80.6°F
Minimum sea water temperature in October: 82.6°F
Maximum sea water temperature in October: 78.1°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 80.6°F. The highest and lowest sea temperatures during the month were 81.0°F and 79.7°F.

Monthly sea water temperature in Hawaii, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
Key West 83.8°F 82.9°F
West Palm Beach 83.5°F 83.3°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Key Largo 83.0°F 83.1°F
Hialeah 82.9°F 83.0°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Kailua Kona 80.9°F 80.6°F
Galveston 80.8°F 78.8°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Houston 80.4°F 78.8°F
Siesta Key 80.4°F 80.7°F
Hilo 80.3°F 79.7°F
Sarasota 80.2°F 80.5°F

Best time for vacation in Hawaii

Sunniest months:
January 15 days
August 15 days
July 14 days
Warmest months:
August 83.2 °F
September 82.9 °F
July 82.3 °F
Warmest sea temp:
September 80.7 °F
October 80.6 °F
August 80.2 °F
Coldest months:
February 76.0 °F
March 76.2 °F
January 76.5 °F
Rainiest months:
March 3 days
February 3 days
October 2 days
Windiest months:
July 17.0 mph
August 15.8 mph
June 15.7 mph

Hawaii on a weather map

Hawaii
+73°F
W 6 mph
Feels like: +77°F
Precip.: 100%
Places in USA:
Name
°F
+61°F
+73°F
+73°F
+88°F
+82°F
+81°F
+79°F
+68°F
+54°F
+75°F
+57°F
+81°F
+84°F
+73°F
+48°F
24 Hours Forecast
Hawaii
Local time: 09:13
April 06, monday
1200
75°F
W
9 mph
1500
73°F
NW
9 mph
1800
73°F
W
6 mph
2100
73°F
NW
4 mph
April 07, tuesday
0000
72°F
NW
3 mph
0300
72°F
NW
3 mph
0600
72°F
W
6 mph
0900
73°F
NW
8 mph

Best place for vacation:

Units of measurement: °C / °F