Current sea water temperature:
+36.9°F
| Minimum sea water temperature in January: | 43.0°F |
| Maximum sea water temperature in January: | 35.4°F |
| Average sea water temperature in January: | 39.7°F |
| more information | |
14 days
forecast
forecast
| Bar Harbor |
monthly
weather
weather
| Bar Harbor |
Sea water temperature for the last 10 days:
| January 15 | 36.9°F | January 10 | 36.5°F |
| January 14 | 36.5°F | January 9 | 37.8°F |
| January 13 | 35.4°F | January 8 | 38.5°F |
| January 12 | 37.2°F | January 7 | 38.3°F |
| January 11 | 37.2°F | January 6 | 38.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Bar Harbor?
Based on the data about daily sea water temperature for the last three years the warmest sea in Bar Harbor was noticed in August, July and September.
Monthly Sea Temperatures in Bar Harbor, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.6°F and 56.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 57.4°F. The highest and lowest sea temperatures during the month were 60.1°F and 54.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 58.5°F. The highest and lowest sea temperatures during the month were 61.2°F and 56.7°F.
current
weather
weather
| Bar Harbor |
weather in
January
January
| Bar Harbor |
Best time for vacation in Bar Harbor
Bar Harbor on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bar Harbor
Local time: 15:37
January 15, thursday
1800
41°F
N
12 mph
12 mph
2100
39°F
NE
14 mph
14 mph
January 16, friday
0000
36°F
NE
17 mph
17 mph
0300
28°F
NE
19 mph
19 mph
0600
27°F
NE
19 mph
19 mph
0900
25°F
E
15 mph
15 mph
1200
25°F
E
19 mph
19 mph
1500
25°F
E
22 mph
22 mph
