Noshiro is located in the flat coastal plains northwestern Akita Prefecture, bordered by the
Sea of Japan to the west, but there are hills near the border with Mitane and along the coast. Much of the eastern part of the city is mountainous. The
Yoneshiro River flows through the city and empties into the
Sea of Japan near
Noshiro Port. The highest point is Mount Yakeyama at .
Neighboring municipalities Akita Prefecture •
Fujisato •
Happō •
Kamikoani •
Kitaakita •
Mitane Climate Noshiro has a
humid subtropical climate (
Köppen climate classification Cfa) with large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. Precipitation significant throughout the year, but is heaviest from August to October. The average annual temperature in Noshiro is . The average annual rainfall is with July as the wettest month. The temperatures are highest on average in August, at around , and lowest in January, at around . {{Weather box ==Demographics==