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Port San Luis, Pacific Ocean Sea Temperature in October

California, United States

September Port San Luis, Pacific Ocean year-round → November

Average sea temperature for Port San Luis, Pacific Ocean, United States across October, based on 10 years of daily readings.

Average

15.37° C

High

17.47° C

Low

13.1° C

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.

October is the 2nd warmest of 12 months at Port San Luis, Pacific Ocean. On average the water sits 1.5° than the year-round mean of 13.92° C.

Compared to September, October is 0.3° cooler than (15.71° C in September). By November the water is usually 14.26° C.

Port San Luis, Pacific Ocean Day-by-Day Water Temperature in October

10-year low, average and high

12.0° C
13.6° C
15.3° C
16.9° C
18.5° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through October. Range Average

Each vertical bar above is one day of October. 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 Port San Luis, Pacific Ocean.

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.

October Water Temperature Table for Port San Luis, Pacific Ocean

10-year daily averages

Day Average Low High
October 1 15.63° C 14.22° C 17.45° C
October 2 15.71° C 14.33° C 17.47° C
October 3 15.71° C 14.34° C 17.08° C
October 4 15.58° C 14.21° C 16.48° C
October 5 15.62° C 14.2° C 16.56° C
October 6 15.77° C 14.55° C 16.36° C
October 7 15.89° C 14.92° C 16.51° C
October 8 15.84° C 14.92° C 16.42° C
October 9 15.87° C 14.44° C 16.67° C
October 10 15.83° C 14.25° C 16.94° C
October 11 15.7° C 14.5° C 17.1° C
October 12 15.36° C 14.07° C 16.88° C
October 13 15.14° C 13.51° C 16.92° C
October 14 15.07° C 13.52° C 16.9° C
October 15 15.18° C 14.07° C 16.93° C
October 16 15.3° C 14.1° C 17.18° C
October 17 15.32° C 14.21° C 17.3° C
October 18 15.25° C 13.94° C 17.3° C
October 19 15.16° C 13.4° C 17.07° C
October 20 15.18° C 13.42° C 16.53° C
October 21 15.28° C 13.8° C 16.44° C
October 22 15.38° C 14.34° C 16.6° C
October 23 15.33° C 14.16° C 16.68° C
October 24 15.2° C 13.9° C 16.67° C
October 25 15.27° C 14.24° C 16.76° C
October 26 15.24° C 14.5° C 16.74° C
October 27 15.14° C 14.08° C 16.86° C
October 28 15.04° C 13.72° C 17.11° C
October 29 14.98° C 13.54° C 17.27° C
October 30 14.81° C 13.34° C 17.29° C
October 31 14.67° C 13.1° C 17.05° C

Where October Sits in the Year

October highlighted

9.5° C
11.9° C
14.3° C
16.6° C
19.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
13.53° C
13.32° C
12.96° C
12.32° C
12.47° C
13.56° C
14.43° C
14.96° C
15.71° C
15.37° C
14.26° C
14.14° C
10-year monthly history for Port San Luis, Pacific Ocean. 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 October

Compare other United States water for the same month

Port San Luis, Pacific Ocean Location

35.1767, -120.7600

35.17670, -120.76000 View on OpenStreetMap →

Port San Luis, Pacific Ocean sits at 35.1767°N, 120.7600°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 Port San Luis, Pacific Ocean