Nagoya weather in August
August in Nagoya: sweltering, soaked, with muggy air — a gamble, with 14 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#11 of 12 months in Nagoya · #1119 of 1413 destinations to visit in August · comfort 58/100 (tier D)
- Days
- 34°C
- Nights
- 26°C
- Wet days
- 14
- Sun
- 9.9 h
- Humidity
- 80%
- Daylight
- 14 h
Traveller notes on Nagoya in August
Other months in Nagoya
Forum posters describe mid-to-late November in Nagoya as bringing temperatures that regularly settle into the mid-to-low teens Celsius, with a regular jacket generally sufficient, though posters recommend packing something warmer in case of an occasional dip into single digits. Posters consistently rate November as one of the best months to visit for weather alone - comfortable temperatures paired with thinner crowds than the peak autumn-foliage rush elsewhere in Japan. Posters point to nearby Korankei as a standout for autumn leaf viewing and Nabana no Sato for its winter illumination displays as popular November day-trip pairings from Nagoya. Posters generally rate November as mild, comfortable and well-timed for a Nagoya visit, cool evenings the main thing to plan around.
May is one of Japan's best months — warm without being hot or humid, too early for typhoons, and the rainy season not usually starting until early June. Nagoya averages 23°C by day and 14 overnight, with rain on ten days. The timing advice is about crowds: Golden Week runs into the first week of the month, and from the second week it is business as usual. What May is not is blossom season — Nagoya's cherry blossom runs roughly 25 March to 10 April, so a May visit gets the gardens green rather than pink. The last two weeks are the pick: warm, plenty of flowers out, not yet humid.
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Nagoya climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Nagoya in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer break (natsuyasumi) in Japan, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Nagoya's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherNagoya's best weather comes in April, May and October — separate windows, not one continuous season.
August coincides with Peak summer heat.
Best weatherFair weatherToughest weather
What's on in Nagoya in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Peak summer heat
15 Jul – 5 Sep · usuallyExtreme heatThe Nobi basin traps heat and humidity better than anywhere else on the main line, and the city regularly runs hotter than Tokyo or Osaka. Plan the day around the underground arcades.
- Hazard
Typhoon season
1 Aug – 30 Sep · usuallyClosuresIse Bay is the reason this city takes storm surge seriously. Practically it means a shinkansen day lost between Tokyo and Osaka, which is Nagoya's whole role for most travellers. Source ↗
Nearby, and something's on
Within 300 km of Nagoya — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Nagoya?
Nagoya in August — FAQ
- Is August a good time to visit Nagoya?
- August in Nagoya: sweltering, soaked, with muggy air — a gamble, with 14 rainy days. It ranks #11 of 12 months for Nagoya on SeasonMap's comfort score (58/100).
- What is the weather like in Nagoya in August?
- In August, Nagoya averages a daily high of 33.8°C and a low of 25.6°C, with about 150.6 mm of rain over roughly 14.3 rainy days.
- What is the air quality in Nagoya in August?
- Nagoya has a mean US Air Quality Index of about 56 in August.
Within 300 km: Kyoto's Gozan no Okuribi on 16 Aug, and Nara's Kasuga Mantoro on 14–15 Aug.