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Warmest beach in California in August

404 coastal locations in California ranked by their typical August sea temperature. State-wide average in August: 16.6°C.

Warmest in August

Black's Beach

22.1°C

State August average

16.6°C

across 404 coastal locations in California

Vs annual mean

+2.1°C

above the year-round state average

What the California water feels like in August

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

California monthly average 12.9°C to 16.9°C
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  • Warmest month September 16.9°C
  • Coldest month March 12.9°C
  • Annual mean 14.5°C
  • Months above 20°C 0 of 12

Where August fits in the year

August sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

California sea temperature map (live)

Today's reading at every California beach we track. The list below uses the typical August mean from a decade of daily history.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest California beaches in August

Sorted by typical August mean. Click any beach for the full location page.

# Location August mean
1 Black's Beach California 22.1°C
2 Del Mar California 22.1°C
3 La Jolla Cove California 22.1°C
4 La Jolla Shores California 22.1°C
5 La Jolla California 22.1°C
6 Mission Beach California 22.1°C
7 Scripps Pier California 22.1°C
8 Solana Beach California 22.1°C
9 Cardiff California 22.0°C
10 Carlsbad California 22.0°C
11 Encinitas California 22.0°C
12 Moonlight Beach California 22.0°C
13 Oceanside California 22.0°C
14 Baby Beach California 22.0°C
15 Capistrano Beach California 22.0°C
16 Dana Point California 22.0°C
17 Doheny Beach California 22.0°C
18 Salt Creek Beach California 22.0°C
19 San Clemente California 22.0°C
20 San Onofre Beach California 22.0°C
21 Trestles Beach California 22.0°C
22 Big Bear Lake California 21.8°C
23 Laguna Niguel California 21.8°C
24 Lake Arrowhead California 21.8°C
25 La Jolla (Scripps Institution Wharf) California 21.7°C
Show 25 more ▸
26 Mission Bay California 21.6°C
27 Pacific Beach California 21.6°C
28 Salton Sea California 21.6°C
29 Torrey Pines California 21.6°C
30 Balboa Island California 21.5°C
31 Corona Del Mar California 21.5°C
32 Crystal Cove California 21.5°C
33 Huntington Beach California 21.5°C
34 Irvine California 21.5°C
35 Laguna Beach California 21.5°C
36 Newport Beach California 21.5°C
37 Orange County California 21.5°C
38 Bolsa Chica California 21.4°C
39 Seal Beach California 21.4°C
40 Sunset Beach California 21.4°C
41 Chula Vista California 21.4°C
42 Coronado California 21.4°C
43 Imperial Beach California 21.4°C
44 Ocean Beach San Diego California 21.4°C
45 Point Loma California 21.4°C
46 San Diego California 21.4°C
47 San Clemente Island California 21.3°C
48 Avalon California 21.2°C
49 Carson California 21.2°C
50 El Porto California 21.2°C

Coldest 10 in California in August

Same data the other way.

# Location August mean
1 Clear Lake California 12.3°C
2 Lake Sonoma California 12.3°C
3 Lakeport California 12.3°C
4 Green Cove California 12.4°C
5 Arena Cove California 12.6°C
6 Point Arena California 12.6°C
7 Dillon Beach California 12.7°C
8 Lake Almanor California 12.7°C
9 Sea Ranch California 12.7°C
10 Bodega Harbor entrance California 12.8°C

Other US states

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