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Coldest beach in California in March

404 coastal locations in California ranked by their typical March sea temperature. State-wide average in March: 12.9°C.

Coldest in March

Pyramid Point, Smith River

10.4°C

State March average

12.9°C

across 404 coastal locations in California

Vs annual mean

-1.6°C

below the year-round state average

What the California water feels like in March

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

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 March fits in the year

March 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 March 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 coldest California beaches in March

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

# Location March mean
1 Alameda Naval Air Station California 11.9°C
2 Southeast Farallon Island California 11.9°C
3 Blakes Landing, Tomales Bay California 11.8°C
4 Drakes Bay, Point Reyes California 11.8°C
5 Inverness, Tomales Bay California 11.8°C
6 Marshall, Tomales Bay California 11.8°C
7 Reynolds, Tomales Bay California 11.8°C
8 Tomales Bay entrance California 11.8°C
9 Bodega Bay California 11.5°C
10 Jenner California 11.5°C
11 Salmon Creek California 11.5°C
12 Dillon Beach California 11.3°C
13 Lake Almanor California 11.3°C
14 Sea Ranch California 11.3°C
15 Clear Lake California 11.2°C
16 Lake Sonoma California 11.2°C
17 Lakeport California 11.2°C
18 Bodega Harbor entrance California 11.1°C
19 Fort Ross California 11.1°C
20 Fort Bragg California 11.0°C
21 Glass Beach California 11.0°C
22 Mendocino California 11.0°C
23 Shelter Cove California 11.0°C
24 Shasta Lake California 11.0°C
25 Green Cove California 10.9°C
Show 25 more ▸
26 Mendocino, Mendocino Bay California 10.8°C
27 Noyo Harbor, Fort Bragg California 10.8°C
28 Noyo River California 10.8°C
29 Westport California 10.8°C
30 Arena Cove California 10.8°C
31 Point Arena California 10.8°C
32 Bayview California 10.6°C
33 Eureka California 10.6°C
34 King Salmon California 10.6°C
35 Trinidad California 10.6°C
36 Crescent City California 10.6°C
37 Trinidad Harbor California 10.5°C
38 Arcata Wharf, Humboldt Bay California 10.5°C
39 Bucksport, Humboldt Bay California 10.5°C
40 Elk River Railroad Bridge, Humboldt Bay California 10.5°C
41 Eureka, Humboldt Bay California 10.5°C
42 Eureka Slough Bridge, Humboldt Bay California 10.5°C
43 Fields Landing, Humboldt Bay California 10.5°C
44 Hookton Slough, Humboldt Bay California 10.5°C
45 Mad River Slough, Arcata Bay, Humboldt Bay California 10.5°C
46 North Spit, Humboldt Bay California 10.5°C
47 Samoa, Humboldt Bay California 10.5°C
48 Cockrobin Island Bridge, Eel River, San Francisco California 10.5°C
49 Pyramid Point, Smith River California 10.4°C
50 Requa Dock California 10.4°C

Warmest 10 in California in March

Same data flipped. The warmest spots in the state for this month.

# Location March mean
1 La Jolla (Scripps Institution Wharf) California 15.7°C
2 Cardiff California 15.6°C
3 Carlsbad California 15.6°C
4 Chula Vista California 15.6°C
5 Coronado California 15.6°C
6 Encinitas California 15.6°C
7 Havasu Lake (Colorado river) California 15.6°C
8 Imperial Beach California 15.6°C
9 Moonlight Beach California 15.6°C
10 Ocean Beach San Diego California 15.6°C

Other US states

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