Best Time to Visit Onomichi
Best time: Oct, Aug, May, Nov.
Aug is warmest (31.6°C high); Jun is rainiest (222 mm).
Onomichi weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 8.7 | 0 | 42 | 3.9 |
| Feb | 9.1 | 0.3 | 55 | 4.8 |
| Mar | 12.6 | 3.1 | 84 | 6.1 |
| Apr | 18.3 | 8.6 | 128 | 7.5 |
| May | 22.8 | 13.4 | 131 | 8.3 |
| Jun | 26 | 18.3 | 222 | 7.8 |
| Jul | 30.2 | 22.7 | 190 | 8.3 |
| Aug | 31.6 | 23.4 | 105 | 8.5 |
| Sep | 27.3 | 19.3 | 179 | 6.6 |
| Oct | 21.9 | 12.8 | 104 | 5.6 |
| Nov | 16.4 | 7 | 64 | 4.2 |
| Dec | 11.3 | 2 | 34 | 3.6 |
Average high temperature
Best months by activity
Overall: OctAugMayNov
Beaches: AugJulJun
Hiking: DecNovJanMay
Sightseeing: NovOctMayDec
Onomichi quick facts
What to pack
Cold months (Jan, Feb, Mar, Dec): warm layers and a coat.
Wet months (Apr, May, Jun, Jul, Aug, Sep, Oct): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Onomichi?
Oct, Aug, May, Nov.
What is the rainiest month?
Jun, about 222 mm.
What is the warmest month?
Aug, with average highs of 31.6°C.
Where to stay
See Onomichi hotels · Book Onomichi tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.