Measurements:
°C
°F
Monterey
42°F
W 6 mph
Feels like: 38°F
Precip: 0%
World Resorts USA Monterey Weather

Monterey Sea Water Temperature

Current Sea Water Temperature:
+57.2°F
Maximum Sea Water Temperature in February: 60.2°F
Minimum Sea Water Temperature in February: 50.8°F
Average water temperature in February: 55.4°F

Sea Water Temperature for the Last 10 Days:

February 21 57.2°F February 16 58.4°F
February 20 57.4°F February 15 58.4°F
February 19 57.6°F February 14 58.6°F
February 18 58.0°F February 13 58.6°F
February 17 57.8°F February 12 58.2°F

When is the Warmest Sea for Monterey?

According to our data for the last three years for Monterey the highest average sea water temperature was in September, August and October.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Monterey was 61.9°F. The maximum and minimum values were 59.0°F and 64.0°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Monterey was 60.7°F. The maximum and minimum values were 59.0°F and 63.8°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Monterey was 62.2°F. The maximum and minimum values were 59.0°F and 65.4°F respectively.

Best Time to Visit Monterey
The most sunny months:
June 18 days
May 17 days
July 17 days
The most warm months:
September 68.2 °F
August 68.2 °F
October 66.7 °F
Warmest sea temperature:
September 60.7 °F
August 60.0 °F
October 59.9 °F
The most cold months:
February 57.8 °F
December 58.0 °F
March 58.0 °F
The most rainy months:
March 4 days
February 3 days
January 3 days
The most windy months:
May 8 mph
April 8 mph
March 8 mph

Monterey on the Weather Map

USA Resorts:
NAME
Chicago +28
Hawaii +70
Honolulu +70
Houston +74
Las Vegas +34
Los Angeles +40
Maui +66
Miami +74
Miami Beach +78
New York +38
San Diego +44
San Francisco +42
Sarasota +68
Tampa +70
Washington +38
24 Hours Weather Forecast
Monterey
Local time: 06:46
21 feb, saturday
0900 48°F
NW
6 mph
1200 58°F
N
7 mph
1500 60°F
NE
9 mph
1800 56°F
N
11 mph
2100 50°F
NW
11 mph
22 feb, sunday
0000 48°F
NW
7 mph
0300 48°F
NW
7 mph
0600 48°F
W
11 mph