Current sea water temperature:
+39.4°F
| Minimum sea water temperature in December: | 50.4°F |
| Maximum sea water temperature in December: | 38.7°F |
| Average sea water temperature in December: | 44.3°F |
| more information | |
14 days
forecast
forecast
| Brunswick |
monthly
weather
weather
| Brunswick |
Sea water temperature for the last 10 days:
| December 29 | 39.4°F | December 24 | 39.7°F |
| December 28 | 38.7°F | December 23 | 39.4°F |
| December 27 | 39.4°F | December 22 | 39.2°F |
| December 26 | 39.6°F | December 21 | 41.2°F |
| December 25 | 40.3°F | December 20 | 41.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Brunswick?
Based on the data about daily sea water temperature for the last three years the warmest sea in Brunswick was noticed in August, July and September.
Monthly Sea Temperatures in Brunswick, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 65.0°F. The highest and lowest sea temperatures during the month were 70.0°F and 62.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 63.7°F. The highest and lowest sea temperatures during the month were 67.6°F and 60.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 62.2°F. The highest and lowest sea temperatures during the month were 65.5°F and 60.1°F.
current
weather
weather
| Brunswick |
weather in
January
January
| Brunswick |
Best time for vacation in Brunswick
Brunswick on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Brunswick
Local time: 00:37
December 30, tuesday
0300
23°F
E
22 mph
22 mph
0600
19°F
E
23 mph
23 mph
0900
18°F
E
22 mph
22 mph
1200
18°F
E
22 mph
22 mph
1500
18°F
E
22 mph
22 mph
1800
16°F
E
19 mph
19 mph
2100
16°F
E
17 mph
17 mph
December 31, wednesday
0000
16°F
E
19 mph
19 mph
