World Resorts USA Monterey Weather

Monterey Sea Temperature in December

Average sea water temperature in December:
+56.1°F
Minimum sea water temperature in December: 61.2°F
Maximum sea water temperature in December: 51.6°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 57.9°F. The highest and lowest sea temperatures during the month were 60.1°F and 56.5°F.

Monthly sea water temperature in Monterey, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.3°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 78.1°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Islamorada 76.5°F 73.4°F
Key Largo 76.4°F 73.1°F
Key West 75.9°F 72.6°F
Miami 75.6°F 73.0°F
Everglades 73.7°F 69.7°F
Marco Island 71.9°F 68.0°F
South Padre Island 71.7°F 71.9°F
Naples 71.5°F 67.7°F
Sanibel Island 71.0°F 67.1°F
Cocoa Beach 69.6°F 66.6°F
Siesta Key 69.3°F 65.6°F

Best time for vacation in Monterey

Sunniest months:
June 18 days
May 17 days
July 17 days
Warmest months:
September 66.4 °F
August 66.4 °F
October 65.1 °F
Warmest sea temp:
September 59.6 °F
August 59.0 °F
October 58.9 °F
Coldest months:
February 57.0 °F
December 57.2 °F
March 57.2 °F
Rainiest months:
March 4 days
February 3 days
January 3 days
Windiest months:
May 8.4 mph
April 8.3 mph
March 8.3 mph

Monterey on a weather map

Monterey
+66°F
SW 6 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+75°F
+75°F
+63°F
+64°F
+73°F
+75°F
+70°F
+30°F
+79°F
+52°F
+64°F
+59°F
+55°F
+19°F
24 Hours Forecast
Monterey
Local time: 12:53
December 30, tuesday
1500
66°F
SW
6 mph
1800
63°F
SW
8 mph
2100
59°F
W
8 mph
December 31, wednesday
0000
57°F
W
6 mph
0300
57°F
W
7 mph
0600
55°F
N
7 mph
0900
54°F
W
8 mph
1200
52°F
W
6 mph
Units of measurement: °C / °F