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Kumagaya

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Kumagaya Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Kumagaya year round climate

  • Spring (March–May): 10.5–19°C on average, the climate changes from cold to warm. Cherry blossoms bloom from late March to early April, with occasional showers. Common activities: cherry blossom viewing, picnicking, outdoor activities. Recommended clothing: light jacket, long-sleeved shirt, comfortable sneakers.
  • Summer (June–August): 23.3–28.6°C on average, hot and humid weather with more rainfall, especially in June and July. Common activities: swimming, water activities, trips to summer resorts. Recommended clothing: light and breathable clothing, shorts, sandals, hat, sunscreen.
  • Autumn (September–November): 12.9–25.7°C on average, pleasant and comfortable climate. September has the most rainfall, and it gradually cools down afterwards. Common activities: maple leaf viewing, outdoor excursions, cycling. Recommended clothing: long-sleeved shirts, light jacket, comfortable shoes.
  • Winter (December–February): 4.7–6.9°C on average, cold and dry with little rainfall. Common activities: skiing, hot spring trips, indoor activities. Recommended clothing: thick coat, scarf, gloves, hat.

Kumagaya climatological average

Annual average temperature: approx. 16.6°C / Annual rainfall: approx. 1248 mm / Summer humidity: 70%–80% / Rainiest month: September

Kumagaya monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
4.7°C
12.9
February
5.8°C
38.3
March
10.5°C
99.9
April
15.9°C
84
May
19°C
140
June
23.3°C
187.3
July
28.5°C
181.4
August
28.6°C
96.8
September
25.7°C
217.3
October
18.1°C
113.9
November
12.9°C
63.7
December
6.9°C
12.6

Kumagaya weather for the next seven days

12/8
Monday
Sunny
15.3°C/7.1°C
12/9
Tuesday
Sunny
11.8°C/6.5°C
12/10
Wednesday
Sunny
12.9°C/5.6°C
12/11
Thursday
Cloudy
12.4°C/7.1°C
12/12
Friday
Sunny
7.2°C/3.8°C
12/13
Saturday
Sunny
9°C/2.2°C
12/14
Sunday
Partly Cloudy
11.5°C/5°C

Kumagaya Frequently Asked Questions and Useful Information for Travel

What is Kumagaya most famous for?

Kumagaya is renowned for being one of the hottest areas in Japan during the summer. This intense heat is attributed to hot winds flowing from Tokyo and the Chichibu basin. The urban heat island effect in central Tokyo, combined with sea breezes, further amplifies these summer temperatures.

Is Kumagaya a worthwhile destination for travelers?

Yes, Kumagaya is definitely worth visiting, particularly for its beautiful cherry blossom viewing along the Arakawa River. The sheer scale and beauty of these sakura spots offer a spectacular display that rivals more famous locations, but with fewer crowds, providing a more serene experience.

What is the origin of the name Kumagaya?

The name Kumagaya, written in Japanese as 熊谷, translates to 'bear valley'. While it can also be pronounced Kumatani or Kumaya, Kumagaya is a common habitational name originating from the town of Kumagaya in Musashi Province, which is now part of Saitama Prefecture.

What language is spoken in Kumagaya?

The primary language spoken in Kumagaya is Japanese. English is not widely spoken, which may present a language barrier for visitors who do not speak Japanese.

What are the key considerations for visiting Kumagaya in summer?

Summers in Kumagaya can be extremely hot, potentially causing discomfort for some visitors. It's important to be prepared for high temperatures and stay hydrated. Additionally, the language barrier can be a consideration for non-Japanese speaking travelers as English is not extensively spoken.