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Chōsei-gun
Chōsei-gun
Chiba, Japan

Iio

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

Now17°C
Best timeSep–Nov
Population–
Local time23:44
35.45° N, 140.24° EElevation 49 mUTC+9 · Japan Standard Time
The year in Iioweather score
JanFebMarAprMayJunJulAugSepOctNovDec62October
October: high / low21° / 16°
Rain this month232mm
Best timeSep–Nov

Best: Sep–Nov. Warmth, sunshine and dry days, month by month.

Iio at a glance

Best time to visitSep–Nov

The months with the highest weather score

Warmest month29°C

Average high in August

Coolest month3°C

Average low in January

Wettest monthSeptember

231 mm of rain

Driest monthDecember

61 mm of rain

Monuments nearby4+

within 13 km

Weather in Iio

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

14-day forecast
17°C

Partly cloudy · wind 7 km/h · humidity 94%

Today hour by hour
Today27 Oct20°17°
Wed28 Oct19°12°
Thu29 Oct17°9°1.5 mm
Fri30 Oct18°11°
Sat31 Oct22°12°
Sun1 Nov17°9°
Mon2 Nov21°12°0.6 mm
Tue3 Nov19°16°
Wed4 Nov15°13°2.5 mm
Thu5 Nov14°12°0.7 mm

When to go to Iio

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

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score444231565854494859626550
High9°9°12°17°21°24°27°29°26°21°16°11°
Low3°3°6°11°15°19°22°24°21°16°11°6°
Rain (mm)717714614014018315214823123211661
Wet days66131315161816181696

What's on in Iio

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

Monuments and museums in Iio

All monuments

Nature around Iio

Nature in Japan

Wildlife in October

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

Earthquakes around Iio

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

Earthquakes

Strongest nearby since 1950

7.9Ōarai 47 km →2011 · 121 km
7.0Ōarai 73 km →1965 · 143 km
6.9Hasaki 79 km ↗2008 · 141 km
6.7Chōnan 4 km ↙1987 · 10 km

Towns and villages around Iio

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

Places near Iio

Frequently asked questions

When is the best time to visit Iio?
Based on 30-year climate normals, September, October and November offer the best balance of comfortable temperatures, low rainfall and sunshine in Iio.
What is the hottest month in Iio?
August is the warmest month, with average highs of 29°C and lows of 24°C.
What is the coldest month in Iio?
January is the coldest month, with average highs of 9°C and lows of 3°C.
What is the rainiest month in Iio?
September is the wettest month with about 231 mm of precipitation on 18 wet days.