SeasonScore
Matsuyama, Japan
Photo: Shiro4873 · CC BY 3.0

Japan

Matsuyama in August

🥵 Summer

Hot, humid and some showers. Watch for tropical cyclone risk.

🎒 Pack: light, breathable clothes & sunscreen · quick-dry fabrics · sunglasses & hat

Best months: May (9.1), Nov (9.1), Apr (8.9)

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Why August scores 7.8What goes into the score

How it works
🌡️ 33° / 25°C🌧️ 99 mm💧 dew pt 24°🍃 PM2.5 14
  • Weather comfort6.9
    • ✓Hot (33°C highs / 25°C lows)
    • !Very humid/sticky (dew point 23.9°C)
    • !Wet: ~99 mm rain, ~3 heavy-rain days
  • Air quality8.6
    • ✓Good (within WHO guideline) (PM2.5 ~14 µg/m³)
  • Seasonal hazards8.5
    • !Tropical cyclone: Peak of the Western Pacific typhoon season
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut August side by side with another month
AugMay
Score7.8 Very good9.1 Excellent
Season🥵 Summer🌿 Late spring
High / low33° / 25°24° / 15°
Rain99 mm130 mm
Humiditydew pt 24°dew pt 14°
PM2.514 µg/m³13 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Matsuyama weather-station normals. Rainfall: Matsuyama weather-station normals (national met service).

Holidays & crowdsAugust 2027

Holiday week

A long local holiday falls this month. Expect crowds at sights, fuller trains and flights, and higher hotel prices on those dates. Book ahead.

  • Obon 13–16 Aug

    Not a public holiday, but many people take these days off to visit family: trains, highways and resorts are packed. Source: Japan National Tourism Organization

Other public holidays: Mountain Day (11 Aug)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Matsuyama

  • Cherry blossom 2026 (what actually happened)2026 actual
    First blooms 24 Mar 2026, full bloom 4 Apr 2026

    Observed by JMA at the city's official sample tree. The 2027 forecast isn't out yet: Japanese weather companies such as the Japan Weather Association usually publish the first one in January, and we add it then.

    Source: Japan Meteorological Agency

  • Cherry blossomTypical dates
    First blooms ~24 Mar, full bloom ~3 Apr

    Typical dates (1991–2020 normal). In 2021–2026 first blooms came between 15 Mar and 27 Mar (24 Mar in 2026). Blossoms last about a week after full bloom.

    Source: Japan Meteorological Agency

  • Autumn leaves: Matsuyama CastleTypical dates
    Usually late-Nov to early-Dec

    Usual peak viewing window for this spot.

    Source: Japan Weather Association (tenki.jp)

Explore MatsuyamaEvents, sights, food & souvenirs

Check event dates locally

Matsuyama is the largest city in Shikoku, known for Dōgo Onsen, one of Japan's oldest hot springs, its hilltop castle and Ehime citrus.

Events in August
ObonAcross Japan

Families honor ancestors; fireworks and Bon Odori dances in every town.

Coming up later

Matsuyama Autumn FestivalDate variesUsually 5-7 October

Portable shrines are clashed together in the Dōgo area in a lively shrine festival.

Why go: The mikoshi clashes are crowded and boisterous; keep a safe distance.

Where: Dōgo and around the city

Matsuyama Castle cherry blossomsDate variesUsually late March to early April

Cherry trees bloom around the castle hill.

Why go: Popular for hanami picnics; peak timing varies with the weather.

Where: Matsuyama Castle grounds

Plan this tripTickets, data and transfers for Matsuyama

Airport transfer Kiwitaxi

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