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Kumamoto
Kumamoto
Kumamoto, Japan

Onsen

Onsen is a locality in Kumamoto, Japan, close to the sea. The climate is classified as humid subtropical (Köppen Cfa), with rain spread through the year and no real dry season.

Now22°C
Best timeApr · Oct–Nov
Population–
Local time09:17
32.83° N, 130.58° EElevation 19 mUTC+9 · Japan Standard Time
The year in Onsenweather score
JanFebMarAprMayJunJulAugSepOctNovDec79October
October: high / low22° / 16°
Rain this month102mm
Sea this month23°
Best timeApr · Oct–Nov

Best: Apr · Oct–Nov. Warmth, sunshine and dry days, month by month.

Onsen at a glance

Best time to visitApr · Oct–Nov

The months with the highest weather score

Warmest month30°C

Average high in August

Coolest month5°C

Average low in January

Wettest monthAugust

207 mm of rain

Driest monthDecember

65 mm of rain

Warmest sea27°C

August

Monuments nearby7+

within 15 km

Weather in Onsen

Now and the next ten days. The 14 and 30-day outlooks are one click away.

14-day forecast
22°C

Rain · wind 17 km/h · humidity 93%

Today hour by hour
Today26 Oct24°22°27 mm
Tue27 Oct22°18°
Wed28 Oct19°15°
Thu29 Oct19°15°2.4 mm
Fri30 Oct21°18°25.6 mm
Sat31 Oct21°17°
Sun1 Nov23°16°
Mon2 Nov22°15°5.1 mm
Tue3 Nov17°13°
Wed4 Nov18°14°

When to go to Onsen

Each month's weather score (warmth, sun, dry days) with its temperatures and rain.

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score303442666553444254797646
High9°11°14°18°22°25°29°30°27°22°17°12°
Low5°5°7°12°16°20°24°25°22°16°11°7°
Rain (mm)741031741872344624572072121029565
Wet days9912111116191916978
Sea14°13°14°16°19°22°25°27°26°23°20°17°

What's on in Onsen

Concerts, football matches, the public holidays ahead and the town's festivals through the year.

Monuments and museums in Onsen

All monuments

Nature around Onsen

Nature in Japan

Wildlife in October

The birds and mammals of Japan seen most this month, compared with the rest of their year.

The sky over Onsen

Eclipses and meteor showers

Earthquakes around Onsen

The last 30 days within 300 km, and the record since 1950.

Earthquakes

Strongest nearby since 1950

7.5Nichinan 19 km ↗1961 · 147 km
7.1Miyazaki 19 km ↘2024 · 147 km
7.1Tsuno 37 km →1969 · 149 km
7.0Kotō 2 km ↗2016 · 16 km

Towns and villages around Onsen

Each with its own page: weather, climate and the best time to visit.

Places near Onsen

Frequently asked questions

When is the best time to visit Onsen?
Based on 30-year climate normals, April, October and November offer the best balance of comfortable temperatures, low rainfall and sunshine in Onsen.
What is the hottest month in Onsen?
August is the warmest month, with average highs of 30°C and lows of 25°C.
What is the coldest month in Onsen?
January is the coldest month, with average highs of 9°C and lows of 5°C.
What is the rainiest month in Onsen?
August is the wettest month with about 207 mm of precipitation on 19 wet days.
How warm is the sea near Onsen?
The sea is warmest in August at about 27°C and coolest in February at about 13°C.