Nagoya has a humid subtropical climate (Koppen Cfa) with hot, sticky summers and cool but rarely freezing winters. Sitting on the Nobi Plain near Ise Bay, the city gets about 1,573mm (62 inches) of rain annually, with a pronounced rainy season from June through mid-July and a typhoon-influenced spike in September. Temperatures range from a January average of 4.7degC (40.5degF) to an August average of 28.9degC (84degF). Sunshine peaks in August at about 7.5 hours per day and bottoms out during the June rainy season at around 5 hours. For help deciding when to plan your trip, see our best time to visit Nagoya guide.
Nagoya Weather by Month: January
January is the coldest month in Nagoya, with average highs of 9degC (48degF) and lows around 1degC (34degF). It is also the driest month, receiving only 48mm (1.9 inches) of precipitation across about 6 rainy days. Humidity sits at a comfortable 65%. Expect mostly clear skies with 5.5 hours of daily sunshine. Snowfall is rare in the city center but can occur 2-3 times during the month, usually melting by midday. The Ise Bay sea temperature drops to 14degC (57degF). Pack a warm coat, gloves, and a scarf for early mornings and evenings. For sightseeing ideas, see our things to do in Nagoya guide.
Nagoya Weather by Month: February
February remains chilly with average highs of 10degC (50degF) and lows of 1degC (34degF). Precipitation increases slightly to 64mm (2.5 inches) over 7 rainy days. Sunshine improves to 6 hours daily. Plum blossoms begin opening in the latter half of the month around Nagoya Castle and Tsuruma Park, a precursor to the cherry blossom season. The sea is at its coldest at 13.5degC (56degF). Light layers with a warm jacket work well; mornings can still dip near freezing. For seasonal events, check our Nagoya events and festivals calendar.
Nagoya Weather by Month: March
March brings a noticeable warm-up with average highs of 14degC (57degF) and lows of 4degC (39degF). Rainfall jumps to 112mm (4.4 inches) across 11 rainy days as spring rains arrive. Sunshine holds at about 6.5 hours daily. Cherry blossoms typically begin flowering in the last week of March and peak in early April. Temperatures can swing widely during this month: it is not unusual to see a 20degC (68degF) day followed by a 7degC (45degF) day. A medium jacket and layers are the best approach. For area descriptions, see our best neighborhoods in Nagoya guide.
Nagoya Weather by Month: April
April is one of the best weather months in Nagoya, with highs averaging 20degC (68degF) and lows of 10degC (50degF). Rainfall totals 128mm (5 inches) across 11 days. Cherry blossoms reach full bloom in the first week of April. Sunshine increases to 6.5 hours daily and humidity remains moderate at 63%. This is a prime month for outdoor sightseeing at Nagoya Castle and Atsuta Shrine. A light jacket or sweater is sufficient for most days. For accommodation options, see where to stay in Nagoya.
Nagoya Weather by Month: May
May brings warm and pleasant conditions with highs of 24degC (75degF) and lows of 15degC (59degF). Rainfall increases to 155mm (6.1 inches) over 11 rainy days as the start of the wetter season approaches. Sunshine reaches 7 hours daily, the second-sunniest month behind August. Humidity rises to 68%. Golden Week (first week of May) draws domestic tourists but the weather is excellent for temple visits, garden walks, and day trips to Inuyama Castle or the Toyota museums. T-shirts and shorts are comfortable by mid-month.
Nagoya Weather by Month: June
June is the start of the tsuyu (rainy season), with highs reaching 27degC (81degF) and lows of 19degC (66degF). This is one of the wettest months, receiving 201mm (7.9 inches) over 12 rainy days. Humidity climbs to 75%, making it feel warmer than the thermometer suggests. Sunshine drops to just 5 hours daily with frequent overcast skies. The rain is typically steady drizzle rather than downpours, but it can persist for days. Pack a compact umbrella and waterproof shoes. Indoor attractions like the SCMAGLEV Railway Park and Toyota Commemorative Museum are good picks during this stretch.
Nagoya Weather by Month: July
July is hot, humid, and the wettest month of the year in Nagoya. Average highs reach 31degC (88degF) with lows of 24degC (75degF). Rainfall peaks at 204mm (8 inches) over 14 rainy days, though the rainy season typically ends by mid-month (around July 19-20 on average). After the rainy season breaks, the heat intensifies with humidity around 78%. Sunshine rebounds to 6 hours daily. The sea warms to 24degC (75degF), swimmable for those heading to nearby beaches like Himakajima Island. Light cotton clothing, a hat, and a water bottle are essential. Air conditioning in hotels and shopping malls provides relief.
Nagoya Weather by Month: August
August is the hottest month, with average highs of 33degC (91degF) and lows of 25degC (77degF). High temperatures above 35degC (95degF) occur several times each summer. Rainfall drops to 142mm (5.6 inches) over 11 rainy days, though afternoon thunderstorms are common. This is the sunniest month with 7.5 hours of daily sunshine. The sea temperature peaks at 27degC (81degF). The Osu Summer Festival and various fireworks displays happen in early August. Heat exhaustion is a real risk: drink plenty of water, use sunscreen, and avoid the midday sun between 12:00 and 15:00 when UV levels peak.
Nagoya Weather by Month: September
September brings the highest rainfall of any month at 234mm (9.2 inches) over 13 rainy days, driven by typhoon season. Highs average 29degC (84degF) with lows of 21degC (70degF). Typhoons that track up the Pacific coast can bring heavy rain and strong winds to Nagoya, typically 2-3 significant systems per season. Sunshine drops to 5.5 hours daily. Humidity remains high at 74%. The weather is unpredictable: you can get sunny, pleasant stretches followed by days of heavy rain. A foldable umbrella and quick-dry clothing are practical choices.
Nagoya Weather by Month: October
October is arguably the most comfortable month in Nagoya, with average highs of 23degC (73degF) and lows of 14degC (57degF). Rainfall moderates to 128mm (5 inches) over 9 rainy days as typhoon season winds down. Humidity drops to 68% and sunshine averages 6 hours daily. The Nagoya Festival in mid-October features samurai parades and cultural performances around the castle. Autumn foliage begins coloring the trees at Higashiyama Park and Tokugawaen Garden toward the end of the month. A light jacket for evenings is all you need.
Nagoya Weather by Month: November
November brings crisp autumn weather with highs averaging 17degC (63degF) and lows of 8degC (46degF). Rainfall is modest at 79mm (3.1 inches) over 7 rainy days. Sunshine averages 5.5 hours daily. Autumn leaves reach their peak at Korankei Gorge (a popular day trip 70km east of Nagoya) and at Tokugawaen Garden in the city. This is an excellent month for walking tours of the Nagoya neighborhoods. A sweater or medium jacket is appropriate. The weather is stable and predictable compared to the volatile summer months.
Nagoya Weather by Month: December
December cools down to winter with highs of 12degC (54degF) and lows of 3degC (37degF). Rainfall is low at 48mm (1.9 inches) over 6 rainy days, matching January as the driest month. Sunshine holds at 5.5 hours daily. Winter illuminations light up Hisaya Odori Park, Nagoya Station area, and Oasis 21 from mid-November through Christmas. The sea temperature drops to 17degC (63degF). A warm coat and scarf are needed, especially after sunset when temperatures fall quickly. New Year preparations begin in the last week, with many businesses closing December 29 through January 3. For practical arrival advice, see our Nagoya travel tips guide.
[weather_climate_table city=”Nagoya”]
