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Koshigaya Shi
Koshigaya Shi
Saitama, Japan

Onma

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

Now19°C
Best timeApr–May · Oct
Population–
Local time22:55
35.92° N, 139.77° EElevation 5 mUTC+9 · Japan Standard Time
The year in Onmaweather score
JanFebMarAprMayJunJulAugSepOctNovDec64October
October: high / low21° / 13°
Rain this month173mm
Best timeApr–May · Oct

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

Onma at a glance

Best time to visitApr–May · Oct

The months with the highest weather score

Warmest month30°C

Average high in August

Coolest month-1°C

Average low in January

Wettest monthJuly

141 mm of rain

Driest monthDecember

41 mm of rain

Weather in Onma

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

14-day forecast
19°C

Rain · wind 5 km/h · humidity 98%

Today hour by hour
Today25 Oct23°19°2 mm
Mon26 Oct19°15°36 mm
Tue27 Oct24°16°1 mm
Wed28 Oct18°11°
Thu29 Oct16°9°
Fri30 Oct16°11°1.5 mm
Sat31 Oct23°11°
Sun1 Nov17°11°
Mon2 Nov19°12°
Tue3 Nov16°10°

When to go to Onma

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

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score464241676354434154646345
High8°9°12°18°22°25°29°30°26°21°15°11°
Low-1°-1°3°9°14°18°22°23°20°13°7°1°
Rain (mm)4245861071211511411541941737441
Wet days57101112151714141397

What's on in Onma

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

Wildlife in October

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

Earthquakes around Onma

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

Earthquakes

Strongest nearby since 1950

7.9Ōarai 47 km →2011 · 127 km
6.7Chōnan 4 km ↙1987 · 74 km
6.6Tanagura 4 km ↘2011 · 132 km
6.6Katsuura 47 km ↘1986 · 146 km

Towns and villages around Onma

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

Places near Onma

Frequently asked questions

When is the best time to visit Onma?
Based on 30-year climate normals, April, May and October offer the best balance of comfortable temperatures, low rainfall and sunshine in Onma.
What is the hottest month in Onma?
August is the warmest month, with average highs of 30°C and lows of 23°C.
What is the coldest month in Onma?
January is the coldest month, with average highs of 8°C and lows of -1°C.
What is the rainiest month in Onma?
July is the wettest month with about 141 mm of precipitation on 17 wet days.