Measurements:
°C
°F
Monterey
58°F
S 4 mph
Feels like: 58°F
Precip: 0%
World Resorts USA Monterey Weather

Monterey Sea Water Temperature

Current Sea Water Temperature:
+54.6°F
Maximum Sea Water Temperature in May: 61.6°F
Minimum Sea Water Temperature in May: 50.8°F
Average water temperature in May: 55.5°F

Sea Water Temperature for the Last 10 Days:

May 14 54.6°F May 09 57.2°F
May 13 52.0°F May 08 56.6°F
May 12 53.8°F May 07 57.8°F
May 11 55.4°F May 06 57.2°F
May 10 56.8°F May 05 57.6°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:
December 58.0 °F
February 58.2 °F
January 58.4 °F
The most rainy months:
March 4 days
February 3 days
January 3 days
The most windy months:
May 8 mph
April 8 mph
February 8 mph

Monterey on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +56
Hawaii +76
Honolulu +76
Houston +94
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
24 Hours Weather Forecast
Monterey
Local time: 09:12
14 may, thursday
1200 66°F
SE
9 mph
1500 68°F
E
9 mph
1800 66°F
E
9 mph
2100 54°F
E
6 mph
15 may, friday
0000 52°F
E
6 mph
0300 50°F
E
5 mph
0600 50°F
E
4 mph
0900 58°F
SE
4 mph