World Resorts USA Westerly Weather

Westerly Sea Temperature in December

Average sea water temperature in December:
+49.0°F
Minimum sea water temperature in December: 54.0°F
Maximum sea water temperature in December: 42.8°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 46.6°F. The highest and lowest sea temperatures during the month were 50.7°F and 42.8°F.

Monthly sea water temperature in Westerly, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°F 78.3°F
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Islamorada 76.4°F 73.4°F
Key Largo 76.3°F 73.1°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Everglades 73.7°F 69.7°F
Marco Island 71.8°F 68.0°F
South Padre Island 71.8°F 71.9°F
Naples 71.5°F 67.7°F
Sanibel Island 70.9°F 67.1°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°F

Best time for vacation in Westerly

Sunniest months:
November 17 days
October 14 days
December 14 days
Warmest months:
July 79.4 °F
August 77.9 °F
June 72.5 °F
Warmest sea temp:
August 70.0 °F
July 68.6 °F
September 68.3 °F
Coldest months:
January 36.9 °F
February 38.0 °F
December 41.1 °F
Rainiest months:
October 4 days
July 3 days
November 3 days
Windiest months:
March 10.9 mph
April 10.5 mph
December 10.3 mph

Westerly on a weather map

Westerly
+19°F
SE 8 mph
Feels like: +14°F
Precip.: 0%
Places in USA:
Name
°F
+28°F
+72°F
+72°F
+48°F
+54°F
+64°F
+68°F
+66°F
+27°F
+57°F
+50°F
+55°F
+57°F
+54°F
+34°F
24 Hours Forecast
Westerly
Local time: 09:30
January 05, monday
1200
28°F
E
6 mph
1500
30°F
NE
6 mph
1800
32°F
NE
5 mph
2100
34°F
NE
4 mph
January 06, tuesday
0000
36°F
NE
0 mph
0300
36°F
SW
4 mph
0600
34°F
SW
4 mph
0900
34°F
W
6 mph
Units of measurement: °C / °F