Best Time to Visit Seto
Best time: May, Jul, Jun.
Aug is warmest (30.7°C high); Jul is rainiest (292 mm).
Seto weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 7.9 | -0.8 | 64 | 4 |
| Feb | 8.6 | -0.5 | 84 | 4.9 |
| Mar | 12.4 | 2.5 | 139 | 6.3 |
| Apr | 18.3 | 8.2 | 202 | 7.6 |
| May | 22.5 | 12.8 | 202 | 8.3 |
| Jun | 25.4 | 17.5 | 284 | 7.6 |
| Jul | 29.1 | 21.5 | 292 | 8 |
| Aug | 30.7 | 22.3 | 236 | 8.3 |
| Sep | 26.7 | 18.7 | 275 | 6.2 |
| Oct | 21.3 | 12.3 | 156 | 5.2 |
| Nov | 15.9 | 6.4 | 97 | 4.2 |
| Dec | 10.6 | 1.3 | 59 | 3.6 |
Average high temperature
Best months by activity
Overall: MayJulJun
Beaches: AugJul
Hiking: MayApr
Sightseeing: MayNovJun
Seto quick facts
What to pack
Cold months (Jan, Feb, Mar, Dec): warm layers and a coat.
Wet months (Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Seto?
May, Jul, Jun.
What is the rainiest month?
Jul, about 292 mm.
What is the warmest month?
Aug, with average highs of 30.7°C.
Where to stay
Book Seto hotels · Seto tours & activities
All destinations · Best time to visit Tokyo · Best time to visit Kyoto · Best time to visit Fuji · Best time to visit Atsugi
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.