Photo: Waka77 / Public domain · Wikimedia Commons
Kumagaya City
Saitama Prefecture · City
Official websiteSaitama Prefecture page
Kumagaya City is known as "the hottest city in Japan". In 2018 it recorded 41.1°C, which was then the highest temperature ever recorded in Japan. As a rugby city, it has Kumagaya Rugby Stadium, and the Kumagaya Sakura Tsutsumi, a cherry tree embankment along the Ara River, is also a famous spot.
Key facts
Source: Statistics Bureau of Japan, 2025 Population Census (population, area and density); area from the Geospatial Information Authority of Japan (GSI), Area Statistics of Prefectures and Municipalities (2025). National ranks are among the 1,741 municipalities, ordered by this site from these values.
Live information
Current weather (observed)
Places to visit
Chosen automatically, most popular first, from landmarks and cultural properties registered in Wikidata (we have not checked whether each is open). Names and descriptions: Wikidata (CC0); photos: Wikimedia Commons (photographer and license under each photo).
Neighboring municipalities
Municipalities sharing a boundary (computed from the National Land Numerical Information administrative boundaries, January 2021).
Other municipalities in Saitama Prefecture
The description was written for this site, picking out representative features.