Measurements:
°C
°F
Monterey
48°F
SW 6 mph
Feels like: 44°F
Precip: 0%
World Resorts USA Monterey Weather

Monterey Sea Water Temperature

Current Sea Water Temperature:
+58.4°F
Maximum Sea Water Temperature in December: 62.4°F
Minimum Sea Water Temperature in December: 51.8°F
Average water temperature in December: 56.6°F

Sea Water Temperature for the Last 10 Days:

December 04 58.4°F November 29 58.8°F
December 03 58.2°F November 28 58.8°F
December 02 58.2°F November 27 58.2°F
December 01 58.6°F November 26 58.6°F
November 30 58.8°F November 25 58.6°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 57.6 °F
February 57.8 °F
March 58.0 °F
The most rainy months:
December 4 days
March 4 days
February 3 days
The most windy months:
May 8 mph
April 8 mph
March 8 mph

Monterey on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Monterey
Local time: 23:18
05 dec, 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 60°F
S
6 mph
1500 58°F
SE
6 mph
1800 54°F
SE
5 mph
2100 52°F
SW
3 mph