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Tamana-gun
Tamana-gun
Kumamoto, Japan

Onio

Onio 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.

Now25°C
Best timeApr · Oct–Nov
Population–
Local time14:30
33.00° N, 130.56° EElevation 79 mUTC+9 · Japan Standard Time
The year in Onioweather score
JanFebMarAprMayJunJulAugSepOctNovDec80October
October: high / low22° / 15°
Rain this month113mm
Sea this month23°
Best timeApr · Oct–Nov

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

Onio at a glance

Best time to visitApr · Oct–Nov

The months with the highest weather score

Warmest month30°C

Average high in August

Coolest month3°C

Average low in January

Wettest monthAugust

242 mm of rain

Driest monthDecember

67 mm of rain

Warmest sea27°C

August

Monuments nearby2+

within 5.5 km

Weather in Onio

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

14-day forecast
25°C

Showers · wind 15 km/h · humidity 84%

Today hour by hour
Today25 Oct26°23°5.3 mm
Mon26 Oct23°20°29.2 mm
Tue27 Oct22°15°
Wed28 Oct19°12°
Thu29 Oct20°9°1.5 mm
Fri30 Oct22°16°20 mm
Sat31 Oct19°10°0.5 mm
Sun1 Nov16°8°
Mon2 Nov16°14°15.6 mm
Tue3 Nov18°11°

When to go to Onio

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

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score293244686552444256807544
High9°10°14°19°23°26°29°30°27°22°17°11°
Low3°3°6°11°15°19°23°24°21°15°10°5°
Rain (mm)7811018220225851151224224211310467
Wet days10911111214181814978
Sea14°13°14°16°19°22°25°27°26°23°20°17°

What's on in Onio

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

Monuments and museums in Onio

All monuments

Wildlife in October

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

Earthquakes around Onio

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

Earthquakes

Strongest nearby since 1950

7.0Kotō 2 km ↗2016 · 30 km
7.0Tsuno 21 km ↘1970 · 148 km
6.9Hyūga 29 km →1984 · 147 km
6.8Uki 1 km ↓2026 · 44 km

Towns and villages around Onio

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

Places near Onio

Frequently asked questions

When is the best time to visit Onio?
Based on 30-year climate normals, April, October and November offer the best balance of comfortable temperatures, low rainfall and sunshine in Onio.
What is the hottest month in Onio?
August is the warmest month, with average highs of 30°C and lows of 24°C.
What is the coldest month in Onio?
January is the coldest month, with average highs of 9°C and lows of 3°C.
What is the rainiest month in Onio?
August is the wettest month with about 242 mm of precipitation on 18 wet days.
How warm is the sea near Onio?
The sea is warmest in August at about 27°C and coolest in February at about 13°C.