Where is the sea coldest in United States in August?

East Beach Santa Barbara in United States has the coldest sea in United States in August, averaging about 16.0 °C. Butterfly Beach (16.0 °C) and Refugio State Beach are the next coolest.

How many beaches in United States are warm enough to swim in August?

None of the top 25 ranked beaches in United States reach 22 °C in August, so a wetsuit is recommended for anything longer than a quick dip.

How are these August sea temperatures calculated?

Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical August rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

Seasonal ranking

Coldest sea temperature in United States in August

Where the sea is coolest across United States during August, ranked by long-term monthly average water temperature. East Beach Santa Barbara (Central California, United States) is the coolest at around 16°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
East Beach Santa Barbara
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
2
Butterfly Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
3
Refugio State Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
4
Pismo Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
5
Avila Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
6
Morro Bay Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
7
Cayucos Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
8
Carmel Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
9
Monterey State Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
10
Santa Cruz Main Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
11
Capitola Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
12
Pfeiffer Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
13
Stinson Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
14
Baker Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
15
Half Moon Bay
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
16
Carmel River State Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
17
Moonstone Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
18
Grover Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
19
Oceano Dunes
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
20
Jalama Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
21
Rincon Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
22
Silver Strand Beach Ventura
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
23
Ventura Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
24
La Conchita Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
25
Revere Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average

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United States in August — frequently asked questions

Where is the sea coldest in United States in August?: East Beach Santa Barbara in United States has the coldest sea in United States in August, averaging about 16.0 °C. Butterfly Beach (16.0 °C) and Refugio State Beach are the next coolest.
How many beaches in United States are warm enough to swim in August?: None of the top 25 ranked beaches in United States reach 22 °C in August, so a wetsuit is recommended for anything longer than a quick dip.
How are these August sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical August rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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