World Resorts USA Mount Desert Island Weather

Mount Desert Island Sea Temperature in October

Average sea water temperature in October:
+55.3°F
Minimum sea water temperature in October: 58.8°F
Maximum sea water temperature in October: 52.0°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 58.3°F and 52.9°F.

Monthly sea water temperature in Mount Desert Island, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
South Padre Island 84.0°F 82.4°F
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
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
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°F 79.2°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
Siesta Key 80.4°F 80.7°F
Houston 80.4°F 78.8°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°F

Best time for vacation in Mount Desert Island

Sunniest months:
November 13 days
October 13 days
September 13 days
Warmest months:
July 71.9 °F
August 71.3 °F
June 66.4 °F
Warmest sea temp:
August 61.6 °F
July 59.8 °F
September 58.6 °F
Coldest months:
January 28.9 °F
February 29.9 °F
December 34.8 °F
Rainiest months:
December 3 days
October 3 days
March 2 days
Windiest months:
December 10.7 mph
February 10.6 mph
March 10.5 mph

Mount Desert Island on a weather map

Mount Desert Island
+39°F
E 11 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+70°F
+70°F
+82°F
+77°F
+75°F
+73°F
+66°F
+45°F
+81°F
+59°F
+77°F
+77°F
+81°F
+36°F
24 Hours Forecast
Mount Desert Island
Local time: 14:47
February 26, thursday
1500
39°F
E
11 mph
1800
37°F
E
7 mph
2100
28°F
S
7 mph
February 27, friday
0000
23°F
SE
11 mph
0300
19°F
SE
10 mph
0600
18°F
SE
8 mph
0900
21°F
SE
7 mph
1200
30°F
E
7 mph
Units of measurement: °C / °F