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Coldest sea in Japan in February

373 coastal locations in Japan ranked by typical February sea temperature, coldest first. Region-wide average in February: 12.8°C.

Coldest in February

Hojo

-1.3°C February mean in Japan

Regional February average

12.8°C

across all 373 coastal locations in Japan

Vs annual mean

-6.3°C

below the year-round regional average

What the Japan sea feels like in February

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.

Japan monthly average 12.8°C to 26.6°C
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  • Warmest month August 26.6°C
  • Coldest month February 12.8°C
  • Annual mean 19.1°C
  • Months above 20°C 5 of 12

Where February fits in the year

February sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Japan month rankings:

Japan sea temperature map (live)

The map shows today's latest reading at every Japan location. The list below is based on the typical February mean.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 coldest Japan locations in February

Sorted by typical February mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location February mean
1 Hojo -1.3°C
2 Abashiri Ko Hokkaido -1.2°C
3 Mombetsu -1.2°C
4 Koiseboi Hokkaido -1.1°C
5 Monbetsu Hokkaido -1.1°C
6 Shibetsu -1.1°C
7 Omu Ko Hokkaido -1.0°C
8 Esashi (Hokkaido Ne Coast) Hokkaido -0.8°C
9 Tomari Wan Hokkaido -0.4°C
10 Furukamappu Wan Hokkaido -0.3°C
11 Hanasaki Hokkaido 0.0°C
12 Nemuro Ko Hokkaido 0.0°C
13 Shana Wan Hokkaido 0.1°C
14 Shibetoro Hokkaido 0.4°C
15 Naibo Wan Hokkaido 0.5°C
16 Hokkaido 0.5°C
17 Shizunai 0.6°C
18 Rubeshibetsu Hokkaido 0.7°C
19 Akkeshi Hokkaido 0.7°C
20 Moyoro Wan Hokkaido 0.8°C
21 Kiritappu Hokkaido 0.9°C
22 Hitokappi Wan Hokkaido 0.9°C
23 Kushiro 1.2°C
24 Sakai 1.6°C
25 Erimo Misaki Hokkaido 1.9°C
Show 25 more ▸
26 Soya Misaki Hokkaido 1.9°C
27 Urakawa Hokkaido 2.2°C
28 Wakkanai 2.9°C
29 Tomakomai 4.0°C
30 Muroran Hokkaidō 4.1°C
31 Usu Wan Hokkaido 4.1°C
32 Usujiri Hokkaido 4.1°C
33 Mori Ko Hokkaido 4.2°C
34 Hakodate 4.4°C
35 Noboribetsu 4.8°C
36 Oshidomari Wan Hokkaido 5.3°C
37 Tomamae Hokkaido 5.5°C
38 Rumoi Hokkaido 5.9°C
39 Ishikari 6.1°C
40 Sapporo 6.1°C
41 Otaru 6.6°C
42 Yoichi 6.6°C
43 Kamui Misaki Hokkaido 7.6°C
44 Miyako 8.1°C
45 Setana Hokkaido 8.3°C
46 Kuji Iwate 8.4°C
47 Aomori Aomori 8.4°C
48 Asamushi Aomori 8.4°C
49 Aomori Shi 8.4°C
50 Hachinohe 8.6°C

Warmest 10 in Japan in February

Same data the other way. The warmest spots for the same month.

# Location February mean
1 Minami-Tori Shima Tokyo 24.2°C
2 Yonakuni 24.1°C
3 Yonakuni Shima Okinawa 24.1°C
4 Funauke Okinawa 23.5°C
5 Kobi Sho Okinawa 23.5°C
6 Ishigaki 23.2°C
7 Miyakojima 22.9°C
8 Hirara Okinawa 22.8°C
9 lo Shima Tokyo 22.8°C
10 Minami-Daito Shima Okinawa 22.3°C

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