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Oshika Sea Temperature in October

Nagasaki, Japan

September Oshika year-round → November

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

Average

23.98° C

High

27.27° C

Low

20.96° C

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

October is the 4th warmest of 12 months at Oshika. On average the water sits 3.6° than the year-round mean of 20.39° C.

Compared to September, October is 2.7° cooler than (26.65° C in September). By November the water is usually 21.15° C.

Oshika Day-by-Day Water Temperature in October

10-year low, average and high

20.0° C
22.1° C
24.3° C
26.4° C
28.5° 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 Oshika.

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 Oshika

10-year daily averages

Day Average Low High
October 1 25.42° C 23.55° C 27.27° C
October 2 25.36° C 23.67° C 27.02° C
October 3 25.13° C 23.7° C 26.25° C
October 4 25.17° C 23.68° C 26.72° C
October 5 25.02° C 23.08° C 26.96° C
October 6 24.92° C 22.83° C 26.96° C
October 7 24.77° C 22.98° C 26.63° C
October 8 24.73° C 22.94° C 26.48° C
October 9 24.71° C 22.59° C 26.3° C
October 10 24.67° C 22.21° C 26.43° C
October 11 24.61° C 22.08° C 26.58° C
October 12 24.43° C 21.91° C 26.43° C
October 13 24.25° C 21.83° C 26.32° C
October 14 24.25° C 21.73° C 26.34° C
October 15 24.23° C 21.73° C 26.27° C
October 16 24.01° C 21.5° C 26.14° C
October 17 23.9° C 21.55° C 26.13° C
October 18 23.81° C 21.37° C 26.09° C
October 19 23.7° C 21.12° C 25.7° C
October 20 23.61° C 21.19° C 25.62° C
October 21 23.5° C 21.06° C 25.38° C
October 22 23.3° C 20.96° C 25.23° C
October 23 23.11° C 20.99° C 25.08° C
October 24 23.07° C 21.11° C 24.95° C
October 25 23.02° C 21.45° C 24.84° C
October 26 22.97° C 21.66° C 24.63° C
October 27 22.89° C 21.52° C 24.5° C
October 28 22.78° C 21.43° C 24.35° C
October 29 22.69° C 21.4° C 24.11° C
October 30 22.67° C 21.4° C 23.88° C
October 31 22.67° C 21.01° C 23.79° C

Where October Sits in the Year

October highlighted

10.5° C
16.1° C
21.8° C
27.4° C
33.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
16.02° C
14.91° C
15.14° C
16.42° C
18.14° C
21.43° C
24.71° C
27.73° C
26.65° C
23.98° C
21.15° C
18.38° C
10-year monthly history for Oshika. 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

Oshika Location

34.5167, 129.4500

34.51670, 129.45000 View on OpenStreetMap →

Oshika sits at 34.5167°N, 129.4500°E, on the coast of Nagasaki, 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 Oshika