World Resorts USA Brunswick Weather

Brunswick sea water temperature

Current sea water temperature:
+43.9°F
Minimum sea water temperature in December: 50.4°F
Maximum sea water temperature in December: 40.6°F
Average sea water temperature in December: 44.7°F

Sea water temperature for the last 10 days:

December 4 43.9°F November 29 44.2°F
December 3 44.6°F November 28 46.2°F
December 2 44.4°F November 27 45.9°F
December 1 44.1°F November 26 45.5°F
November 30 42.8°F November 25 45.3°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.

Best time for vacation in Brunswick

Sunniest months:
September 13 days
November 13 days
October 13 days
Warmest months:
July 76.9 °F
August 75.6 °F
June 71.3 °F
Warmest sea temp:
August 66.1 °F
July 64.7 °F
September 61.7 °F
Coldest months:
January 30.0 °F
February 30.9 °F
December 36.2 °F
Rainiest months:
July 3 days
April 3 days
August 2 days
Windiest months:
February 8.3 mph
November 8.3 mph
March 8.3 mph

Brunswick on a weather map

Brunswick
+7°F
SE 12 mph
Feels like: -6°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+46°F
+5°F
24 Hours Forecast
Brunswick
Local time: 01:48
December 05, friday
0300
7°F
SE
12 mph
0600
5°F
SE
10 mph
0900
10°F
E
8 mph
1200
21°F
NE
9 mph
1500
27°F
NE
11 mph
1800
28°F
NE
11 mph
2100
23°F
NE
11 mph
December 06, saturday
0000
23°F
NE
8 mph
Units of measurement: °C / °F