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.