World sea water temperatures

Water temperature in Monterey (CA) in August

Is it warm enough to swim in Monterey in August? Average water temperature in Monterey in August is 58.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Monterey in August is 65.3°F, and the coldest is 51.6°F. Average high air temperature in Monterey in August is 68°F, and average low temperature is 53°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Monterey

Changes water temperature in Monterey in August 2025, 2024

To get an accurate forecast for the water temperature in Monterey for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Monterey, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 162.8°F61.5°F54.1°F63.9°F
August 262.1°F61.9°F51.6°F63.1°F
August 361.2°F61.2°F53.1°F62.4°F
August 461.3°F60.6°F54.3°F62.8°F
August 561.3°F57.7°F54.5°F63.1°F
August 661.9°F57°F54.7°F63.7°F
August 761°F57°F54.7°F63.7°F
August 859.7°F55.9°F55°F63.5°F
August 958.5°F55°F55°F62.8°F
August 1057.7°F55.2°F54.9°F62.8°F
August 1158.6°F56.1°F55°F62.8°F
August 1259.4°F56.5°F54.7°F63.5°F
August 1359.4°F57°F55.4°F63.3°F
August 1459.5°F56.5°F55.6°F63.5°F
August 1559.2°F56.7°F55.6°F63.5°F
Day 2025 2024 Min Max
August 1658.5°F56.3°F55.8°F65.3°F
August 1759.7°F56.3°F55.6°F64.2°F
August 1860.6°F57°F55.6°F63.7°F
August 1961.3°F57.2°F55.9°F63.1°F
August 2061.7°F55.9°F55.8°F63.3°F
August 2161.9°F56.5°F56.1°F64.4°F
August 2260.8°F56.5°F55.8°F64.8°F
August 2359.7°F57°F55.4°F64.8°F
August 2458.5°F57.7°F55.2°F64.4°F
August 2558.1°F57.9°F55.2°F64.6°F
August 2657.9°F57.9°F55.9°F64.6°F
August 2757.9°F58.8°F56.1°F64.8°F
August 2858.3°F58.6°F55.2°F64.6°F
August 2960.1°F57.7°F54.9°F64.9°F
August 3060.4°F56.8°F54.7°F65.1°F
August 3161°F55.9°F55°F64.9°F
Monterey water temp chart in August

Average water temperature in Monterey in August over a decade

20162017201820192020
58.6°F59.4°F58.1°F59.2°F59.4°F
20212022202320242025
60.8°F58.6°F60.6°F57.4°F61.2°F

Monterey sea state in August

Chart comparing the height of waves in Monterey in August over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Monterey in August

Weather and climate in Monterey in August

This data display average monthly climate indicators in Monterey in August based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature68°F
  • Average LOW temperature53°F
  • Average rainfall days2 days
  • Average rainfall3mm/0.1''

Monterey water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in August?

Want to know where the water temperature in August is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Best Beach Resorts in California in August

Places with the warmest average sea water temperature in California in August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
San Diego69.8°F62.6°F76.6°F
Santa Monica68.4°F60.8°F74.7°F
La Jolla Cove70.9°F63.5°F77.7°F
Lake Tahoe68°F63.9°F72°F
Los Angeles67.8°F62.2°F72.9°F
Pacific Grove58.8°F51.6°F65.3°F
Carmel By The Sea58.8°F51.6°F65.3°F
Asilomar Beach58.8°F51.6°F65.3°F
Salinas59°F51.8°F66°F
Lovers Point59°F51.8°F66°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Monterey is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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