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Yakushima Sea Temperature in May

Japan

April Yakushima year-round → June

Average sea temperature for Yakushima, Japan across May, based on 10 years of daily readings.

Average

23.08° C

High

25.31° C

Low

19.52° 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.

May is the 7th warmest of 12 months at Yakushima. On average the water sits 1.0° than the year-round mean of 24.07° C.

Compared to April, May is 1.8° warmer than (21.24° C in April). By June the water is usually 25.11° C.

Yakushima Day-by-Day Water Temperature in May

10-year low, average and high

18.5° C
20.5° C
22.5° C
24.5° C
26.5° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through May. Range Average

Each vertical bar above is one day of May. 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 Yakushima.

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.

May Water Temperature Table for Yakushima

10-year daily averages

Day Average Low High
May 1 21.74° C 19.82° C 22.99° C
May 2 21.82° C 20.01° C 23.34° C
May 3 21.87° C 19.76° C 23.39° C
May 4 21.77° C 19.72° C 23.55° C
May 5 21.99° C 19.7° C 23.78° C
May 6 22.07° C 19.91° C 24.09° C
May 7 22.03° C 19.95° C 24.17° C
May 8 22.05° C 20.06° C 24.11° C
May 9 22.29° C 19.52° C 24.25° C
May 10 22.74° C 20.12° C 24.62° C
May 11 22.94° C 20.85° C 24.83° C
May 12 23.02° C 20.52° C 24.86° C
May 13 23.08° C 20.28° C 25.04° C
May 14 23.27° C 20.39° C 25.09° C
May 15 23.44° C 20.78° C 25.19° C
May 16 23.49° C 20.88° C 25.21° C
May 17 23.47° C 20.42° C 25.17° C
May 18 23.39° C 20.58° C 25.31° C
May 19 23.37° C 20.91° C 25.24° C
May 20 23.57° C 21.58° C 24.84° C
May 21 23.57° C 22.57° C 24.91° C
May 22 23.61° C 22.59° C 25.1° C
May 23 23.66° C 22.81° C 25.2° C
May 24 23.76° C 22.91° C 25.14° C
May 25 23.79° C 22.65° C 25.08° C
May 26 24.01° C 22.98° C 25.25° C
May 27 24.01° C 23.01° C 24.9° C
May 28 24.05° C 23.06° C 25.08° C
May 29 24.2° C 23.2° C 25.11° C
May 30 24.15° C 23.04° C 25.17° C
May 31 24.25° C 23.1° C 25.1° C

Where May Sits in the Year

May highlighted

14.0° C
18.8° C
23.5° C
28.3° C
33.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
20.79° C
19.56° C
20.38° C
21.24° C
23.08° C
25.11° C
27.81° C
28.98° C
28.38° C
26.84° C
24.34° C
22.31° C
10-year monthly history for Yakushima. 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 May

Compare other Japan water for the same month

Yakushima Location

30.3446, 130.5127

30.34459, 130.51271 View on OpenStreetMap →

Yakushima sits at 30.3446°N, 130.5127°E, on the coast of 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 Yakushima