World Resorts USA Boston Weather

Boston Sea Temperature in January

Average sea water temperature in January:
+40.6°F
Minimum sea water temperature in January: 46.2°F
Maximum sea water temperature in January: 33.1°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 37.9°F. The highest and lowest sea temperatures during the month were 40.8°F and 33.1°F.

Monthly sea water temperature in Boston, °F

Which USA resorts have warmest sea in January?

Place name January 2026 January 2025
Honolulu 77.2°F 77.6°F
Hawaii 77.2°F 77.5°F
Maui 77.0°F 76.9°F
Kauai 77.0°F 75.0°F
West Palm Beach 76.6°F 75.5°F
Oahu 76.1°F 76.5°F
Fort Lauderdale 75.9°F 75.1°F
Miami Beach 74.0°F 73.1°F
Key West 72.5°F 70.3°F
Miami 71.2°F 70.7°F
Naples 67.7°F 64.7°F
Cocoa Beach 66.9°F 60.9°F
Siesta Key 65.0°F 61.5°F
Sarasota 65.0°F 61.2°F
Orlando 64.8°F 59.8°F
Tampa 64.3°F 60.4°F
Daytona Beach 64.1°F 59.7°F
Fort Walton Beach 63.2°F 61.8°F
Destin 62.8°F 61.4°F
Santa Rosa Beach 62.4°F 61.1°F

Best time for vacation in Boston

Sunniest months:
August 16 days
July 15 days
November 14 days
Warmest months:
July 82.1 °F
August 80.3 °F
June 74.6 °F
Warmest sea temp:
August 67.6 °F
July 66.8 °F
September 64.3 °F
Coldest months:
January 33.2 °F
February 34.6 °F
December 39.2 °F
Rainiest months:
April 5 days
June 4 days
October 4 days
Windiest months:
January 10.7 mph
March 10.6 mph
February 10.3 mph

Boston on a weather map

Boston
+90°F
NE 6 mph
Feels like: +93°F
Precip.: 2%
Places in USA:
Name
°F
+90°F
+82°F
+77°F
+100°F
+72°F
+91°F
+72°F
+88°F
+81°F
+70°F
+57°F
+70°F
+90°F
+97°F
+79°F
24 Hours Forecast
Boston
Local time: 13:23
August 05, wednesday
1500
90°F
NE
6 mph
1800
86°F
E
6 mph
2100
77°F
NE
8 mph
August 06, thursday
0000
72°F
NE
6 mph
0300
72°F
NE
6 mph
0600
70°F
NE
5 mph
0900
81°F
NE
6 mph
1200
90°F
E
7 mph
Units of measurement: °C / °F