Measurements:
°C
°F
Monterey
70°F
SE 9 mph
Feels like: 70°F
Precip: 5%
World Resorts USA Monterey Weather

Monterey Sea Water Temperature

Current Sea Water Temperature:
+59.6°F
Maximum Sea Water Temperature in July: 66.0°F
Minimum Sea Water Temperature in July: 50.8°F
Average water temperature in July: 58.2°F

Sea Water Temperature for the Last 10 Days:

July 15 59.6°F July 10 59.2°F
July 14 58.6°F July 09 60.8°F
July 13 58.2°F July 08 59.8°F
July 12 58.2°F July 07 60.0°F
July 11 59.6°F July 06 60.2°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:
August 17 days
June 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 +94
Chicago +88
Hawaii +80
Houston +90
Las Vegas +120
Los Angeles +106
Maui +76
Miami +100
Myrtle Beach +96
New York +114
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Monterey
Local time: 11:17
15 jul, wednesday
1200 70°F
SE
9 mph
1500 80°F
E
10 mph
1800 70°F
E
8 mph
2100 58°F
E
4 mph
16 jul, thursday
0000 56°F
SE
3 mph
0300 56°F
SE
3 mph
0600 54°F
SE
3 mph
0900 68°F
SE
6 mph