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Cockrobin Island Bridge, Eel River, San Francisco Sea Temperature in January

California, United States

December Cockrobin Island Bridge, Eel River, San Francisco year-round → February

Average sea temperature for Cockrobin Island Bridge, Eel River, San Francisco, United States across January, based on 10 years of daily readings.

Average

11.5° C

High

13.07° C

Low

9.78° C

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.

January is the 7th warmest of 12 months at Cockrobin Island Bridge, Eel River, San Francisco.

Compared to December, January is 0.2° about the same as (11.74° C in December). By February the water is usually 10.79° C.

Cockrobin Island Bridge, Eel River, San Francisco Day-by-Day Water Temperature in January

10-year low, average and high

9.0° C
10.3° C
11.5° C
12.8° C
14.0° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through January. Range Average

Each vertical bar above is one day of January. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Cockrobin Island Bridge, Eel River, San Francisco.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

January Water Temperature Table for Cockrobin Island Bridge, Eel River, San Francisco

10-year daily averages

Day Average Low High
January 1 11.62° C 10.29° C 13.07° C
January 2 11.6° C 10.2° C 13.06° C
January 3 11.67° C 10.39° C 12.95° C
January 4 11.73° C 10.48° C 12.93° C
January 5 11.67° C 10.32° C 12.94° C
January 6 11.71° C 10.7° C 12.83° C
January 7 11.78° C 10.8° C 12.75° C
January 8 11.82° C 10.74° C 12.74° C
January 9 11.84° C 10.82° C 12.54° C
January 10 11.79° C 10.86° C 12.54° C
January 11 11.73° C 10.92° C 12.42° C
January 12 11.73° C 11.05° C 12.5° C
January 13 11.72° C 10.86° C 12.46° C
January 14 11.71° C 10.8° C 12.34° C
January 15 11.68° C 10.77° C 12.36° C
January 16 11.62° C 10.69° C 12.39° C
January 17 11.51° C 10.57° C 12.37° C
January 18 11.43° C 10.39° C 12.51° C
January 19 11.4° C 10.42° C 12.66° C
January 20 11.38° C 10.45° C 12.61° C
January 21 11.41° C 10.42° C 12.51° C
January 22 11.44° C 10.42° C 12.48° C
January 23 11.37° C 10.42° C 12.39° C
January 24 11.33° C 10.29° C 12.44° C
January 25 11.22° C 9.98° C 12.39° C
January 26 11.16° C 9.79° C 12.47° C
January 27 11.15° C 9.81° C 12.58° C
January 28 11.1° C 9.87° C 12.54° C
January 29 11.04° C 9.85° C 12.58° C
January 30 11.06° C 9.78° C 12.67° C
January 31 11.12° C 9.92° C 12.72° C

Where January Sits in the Year

January highlighted

7.5° C
10.3° C
13.0° C
15.8° C
18.5° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
11.5° C
10.79° C
10.49° C
10.59° C
10.75° C
11.34° C
11.88° C
12.85° C
13.37° C
12.18° C
12.25° C
11.74° C
10-year monthly history for Cockrobin Island Bridge, Eel River, San Francisco. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in January

Compare other United States water for the same month

Cockrobin Island Bridge, Eel River, San Francisco Location

40.6372, -124.2822

40.63720, -124.28220 View on OpenStreetMap →

Cockrobin Island Bridge, Eel River, San Francisco sits at 40.6372°N, 124.2822°W, on the coast of California, United States. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Cockrobin Island Bridge, Eel River, San Francisco