Monthly weather overview

iconMatsuyama monthly weather overview Japan · 마쓰야마

A quick, year-round overview of monthly and seasonal weather in Matsuyama. Use this page to get a feel for which months and seasons match your travel style.

Matsuyama weather at a glance

  • Matsuyama (Ehime, Seto Inland Sea side) often feels mild, but sea breezes can still shift the feel—especially near sunset.
  • Winters rarely bring deep snow, yet wind and evening hours can make it feel colder than the daytime number suggests.
  • Summers are hot and humid; long midday outdoor blocks (castle/parks) can build fatigue quickly.
  • June rainy season and around September (typhoon winds) can affect pacing—keeping 1–2 indoor anchors (Dogo Onsen, arcades, cafés) helps.
  • Typical routes (Dogo Onsen, Matsuyama Castle, Okaido) are walk-heavy, so shoes and layers matter.
Jan · Feb

Mild numbers, but wind shapes the feel

Avg low 3–5°C / high 10–12°C · Rainy days: 5–8 per month / 45–90 mm

  • Snow buildup is uncommon, but wind can drop comfort quickly.
  • Sunny afternoons can feel okay; after sunset it cools fast.
  • If you stay outdoors long, one extra layer matters.

Suggested outfits

  • · Coat/thicker jacket
  • · Warm inner layers
  • · Scarf for wind

A note for travelers

Plan clothing for evening wind, not just daytime highs.

Mar · Apr

Walkable spring with cooler evenings

Avg low 7–12°C / high 15–21°C · Rainy days: 8–10 per month / 90–150 mm

  • Days feel light, but evenings can turn cool.
  • Rainy days often feel colder than expected; thin layers help.
  • Walking routes stretch easily across the core areas.

Suggested outfits

  • · Trench/light coat
  • · Shirts/sweatshirts/light knits
  • · Comfortable sneakers

A note for travelers

A thin outer layer is simple insurance for evenings.

May · Jun

May is pleasant; June is rainy season

Avg low 16–21°C / high 23–28°C · Rainy days: 9–13 per month / 160–260 mm

  • May is often comfortable; June turns heavier with rain and humidity.
  • Long rain slows pacing, especially with tight schedules.
  • Indoor AC can create “humid outside, cool inside” contrast.

Suggested outfits

  • · Breathable tops
  • · Light cardigan/windbreaker
  • · Umbrella + water-friendly footwear

A note for travelers

Indoor anchors keep rainy-season days stable.

Jul · Aug

Hot and humid: shorten midday outdoors

Avg low 24–26°C / high 31–33°C · Rainy days: 6–10 per month / 120–220 mm

  • Humidity drives fatigue on some days.
  • Long midday outdoor blocks can drain energy quickly.
  • Strong AC indoors can feel surprisingly cool.

Suggested outfits

  • · Light summer clothing
  • · Hat/sunscreen/small towel
  • · Thin indoor layer

A note for travelers

Split the day: outdoors early/late, indoors at midday.

Sep · Oct

Crisper air returns; September can be windy and rainy

Avg low 17–20°C / high 23–28°C · Rainy days: 6–9 per month / 120–220 mm

  • September can swing between late-summer warmth and cooler evenings.
  • October often feels easiest for walking and onsen pacing.
  • Typhoon influence can affect ferries/cycling plans—forecast checks matter.

Suggested outfits

  • · T-shirt + light outer
  • · Long sleeves
  • · Comfortable walking shoes

A note for travelers

Autumn makes you walk more than planned—shoes matter.

Nov · Dec

Cooling down quickly after sunset with coastal breeze

Avg low 6–9°C / high 12–17°C · Rainy days: 5–8 per month / 50–120 mm

  • Afternoons can look mild, but evenings cool fast.
  • Breeze can make the same temperature feel sharper.
  • Easy on/off outerwear helps with indoor transitions.

Suggested outfits

  • · Coat/thicker jacket
  • · Warm inner layers
  • · Scarf

A note for travelers

If you’ll be out after sunset, plan one extra layer for wind.

Want detailed monthly weather?

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Explore Matsuyama

These pages are connected so you can compare conditions and decide for yourself.

Matsuyama monthly weather overview — seasons & best time to visit | CityWeather | CityWeather