Measurements:
°C
°F
Monterey
58°F
SE 4 mph
Feels like: 56°F
Precip: 23%
World Resorts USA Monterey Weather

Monterey Sea Water Temperature

Current Sea Water Temperature:
+55.6°F
Maximum Sea Water Temperature in June: 62.2°F
Minimum Sea Water Temperature in June: 51.2°F
Average water temperature in June: 56.7°F

Sea Water Temperature for the Last 10 Days:

June 04 55.6°F May 29 56.0°F
June 03 56.4°F May 28 55.8°F
June 01 55.6°F May 27 57.4°F
May 31 56.2°F May 26 56.6°F
May 30 56.4°F May 25 54.8°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
August 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 +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Monterey
Local time: 09:54
04 jun, thursday
1200 66°F
SE
9 mph
1500 66°F
SE
11 mph
1800 62°F
E
9 mph
2100 54°F
E
3 mph
05 jun, friday
0000 52°F
SE
5 mph
0300 52°F
SE
4 mph
0600 54°F
SE
2 mph
0900 64°F
SE
4 mph