World Resorts USA Monterey Weather

Monterey sea water temperature

Current sea water temperature:
+57.6°F
Minimum sea water temperature in December: 61.2°F
Maximum sea water temperature in December: 51.6°F
Average sea water temperature in December: 56.0°F

Sea water temperature for the last 10 days:

December 4 57.6°F November 29 57.9°F
December 3 57.4°F November 28 57.9°F
December 2 57.4°F November 27 57.4°F
December 1 57.7°F November 26 57.7°F
November 30 57.9°F November 25 57.7°F

When is the warmest sea in Monterey?

Based on the data about daily sea water temperature for the last three years the warmest sea in Monterey was noticed in September, August and October.

Monthly Sea Temperatures in Monterey, °F

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 60.7°F. The highest and lowest sea temperatures during the month were 62.6°F and 58.1°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.4°F and 58.1°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 60.9°F. The highest and lowest sea temperatures during the month were 63.9°F and 58.1°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:
December 56.8 °F
February 57.0 °F
March 57.2 °F
Rainiest months:
December 4 days
March 4 days
February 3 days
Windiest months:
May 8.4 mph
April 8.3 mph
March 8.3 mph

Monterey on a weather map

Monterey
+50°F
SW 4 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Monterey
Local time: 20:45
December 04, thursday
2100
50°F
SW
4 mph
December 05, friday
0000
48°F
SW
6 mph
0300
48°F
W
6 mph
0600
50°F
W
6 mph
0900
52°F
SW
6 mph
1200
59°F
S
6 mph
1500
57°F
SE
6 mph
1800
54°F
SE
5 mph
Units of measurement: °C / °F