Nagoya, one of Japan's largest cities, sits on the Pacific coast of central Honshu, on the Nobi Plain at the head of Ise Bay, at approximately 35.18°N, 136.91°E. It has a humid subtropical climate (Köppen Cfa) with hot, humid summers and mild, dry winters. Ringed partly by mountains and open to the bay, it is known for particularly muggy, sometimes intensely hot summers.

Summer, from June to September, is hot and oppressively humid, with August the hottest month — average highs around 33°C, among the hottest of Japan's big cities, and sticky nights. It begins with the tsuyu plum-rain season of June and July, then turns stifling; the combination of heat and humidity can be draining. Late summer and early autumn bring the risk of typhoons off the Pacific, which have historically caused severe flooding on the low-lying plain.

Winter, from December to February, is mild, dry and sunny, with January the coldest month — average highs around 9–10°C and lows near 1–2°C. Cold, dry northwesterly winds bring many clear, bright days, and while frost is common on cold nights, snow is infrequent, though occasional cold outbreaks can dust the city, since it lies a little closer to the snowier interior than the coastal cities to the east.

Nagoya is wet, receiving around 1,500–1,600 mm of rain a year, concentrated in the June–July plum rains and the typhoon and rain-front season of September; winter is drier. The low-lying plain makes the city vulnerable to flooding during extreme rainfall, as in the devastating floods of September 2000. Live rainfall, humidity, and pressure readings for the city are shown in the panels above.

Nagoya's summers are notably among the hottest and most humid of Japan's major cities, a product of its sheltered inland-bay position on the Nobi Plain. Like the rest of Pacific Honshu it experiences the tsuyu plum rains and the autumn typhoon season, and the low, flat terrain around the city has historically left it exposed to serious flooding when typhoons or rain fronts stall overhead.

To follow any single measurement in Nagoya more closely, use our live instruments: the online barometer for atmospheric pressure, the thermometer for temperature, the hygrometer for humidity, the anemometer for wind speed, the wind vane for wind direction, and the rain gauge for rainfall.