Current sea water temperature:
+54.7°F
| Minimum sea water temperature in July: | 66.0°F |
| Maximum sea water temperature in July: | 54.3°F |
| Average sea water temperature in July: | 59.7°F |
| more information | |
14 days
forecast
forecast
| Mount Desert Island |
monthly
weather
weather
| Mount Desert Island |
Sea water temperature for the last 10 days:
| July 21 | 54.7°F | July 16 | 57.6°F |
| July 20 | 54.9°F | July 15 | 58.6°F |
| July 19 | 57.0°F | July 14 | 59.2°F |
| July 18 | 55.6°F | July 13 | 59.5°F |
| July 17 | 57.2°F | July 12 | 60.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Mount Desert Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Mount Desert Island was noticed in August, July and September.
Monthly Sea Temperatures in Mount Desert Island, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 60.2°F. The highest and lowest sea temperatures during the month were 63.0°F and 57.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 58.5°F. The highest and lowest sea temperatures during the month were 61.7°F and 54.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 58.6°F. The highest and lowest sea temperatures during the month were 60.6°F and 56.7°F.
current
weather
weather
| Mount Desert Island |
weather in
July
July
| Mount Desert Island |
Best time for vacation in Mount Desert Island
Mount Desert Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mount Desert Island
Local time: 09:25
July 21, tuesday
1200
75°F
N
12 mph
12 mph
1500
79°F
N
13 mph
13 mph
1800
70°F
N
12 mph
12 mph
2100
59°F
NW
9 mph
9 mph
July 22, wednesday
0000
61°F
NW
14 mph
14 mph
0300
61°F
NW
14 mph
14 mph
0600
63°F
N
16 mph
16 mph
0900
64°F
N
11 mph
11 mph
