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Akkeshi Sea Temperature in October

Hokkaido, Japan

September Akkeshi year-round → November

Average sea temperature for Akkeshi, Japan across October, based on 10 years of daily readings.

Average

14.65° C

High

18.8° C

Low

11.45° 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.

October is the 4th warmest of 12 months at Akkeshi. On average the water sits 5.7° than the year-round mean of 8.99° C.

Compared to September, October is 3.1° cooler than (17.77° C in September). By November the water is usually 10.94° C.

Akkeshi Day-by-Day Water Temperature in October

10-year low, average and high

10.0° C
12.5° C
15.0° C
17.5° C
20.0° 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 Akkeshi.

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 Akkeshi

10-year daily averages

Day Average Low High
October 1 16.39° C 14.33° C 18.5° C
October 2 16.37° C 14.23° C 18.8° C
October 3 16.39° C 14.29° C 18.8° C
October 4 16.08° C 14.74° C 17.45° C
October 5 16° C 14.54° C 17.57° C
October 6 15.91° C 14.49° C 17.65° C
October 7 15.63° C 14.21° C 17.64° C
October 8 15.37° C 14.05° C 17.41° C
October 9 15.36° C 13.95° C 17.39° C
October 10 15.39° C 14.07° C 17.37° C
October 11 15.35° C 14.01° C 17.47° C
October 12 15.06° C 13.98° C 17.45° C
October 13 14.95° C 14° C 17.38° C
October 14 14.88° C 13.79° C 17.48° C
October 15 14.88° C 13.84° C 17.66° C
October 16 14.68° C 13.54° C 17.37° C
October 17 14.48° C 12.79° C 17.37° C
October 18 14.44° C 12.67° C 17.35° C
October 19 14.23° C 12.61° C 17.14° C
October 20 14.07° C 12.46° C 17° C
October 21 13.91° C 12.27° C 16.86° C
October 22 13.9° C 12.69° C 16.81° C
October 23 13.84° C 12.72° C 16.74° C
October 24 13.68° C 12.65° C 16.69° C
October 25 13.59° C 12.46° C 16.64° C
October 26 13.31° C 12.23° C 16.53° C
October 27 13.27° C 12.32° C 16.45° C
October 28 13.3° C 12.36° C 16.65° C
October 29 13.2° C 12.08° C 16.58° C
October 30 13.2° C 11.83° C 16.49° C
October 31 13.02° C 11.45° C 16.34° C

Where October Sits in the Year

October highlighted

-4.5° C
3.1° C
10.8° C
18.4° C
26.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2.17° C
0.7° C
1.14° C
3.15° C
6.17° C
10.7° C
15.5° C
18.58° C
17.77° C
14.65° C
10.94° C
6.44° C
10-year monthly history for Akkeshi. 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 Japan water for the same month

Akkeshi Location

43.0500, 144.8500

43.05000, 144.85001 View on OpenStreetMap →

Akkeshi sits at 43.0500°N, 144.8500°E, on the coast of Hokkaido, Japan. 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 Akkeshi