Best Time to Visit Otaru
Best time: Jun, Jul, May, Aug.
Aug is warmest (25.3°C high); Nov is rainiest (140 mm).
Otaru weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -1 | -6.8 | 138 | 2.3 |
| Feb | -0.3 | -6.5 | 103 | 3.6 |
| Mar | 3.2 | -3.5 | 79 | 5.5 |
| Apr | 10.2 | 2 | 63 | 7.1 |
| May | 16.1 | 6.9 | 62 | 8.1 |
| Jun | 19.7 | 11.4 | 66 | 8.2 |
| Jul | 23.7 | 16.3 | 89 | 7.7 |
| Aug | 25.3 | 17.9 | 132 | 6.9 |
| Sep | 21.5 | 13.3 | 133 | 6 |
| Oct | 15.3 | 6.8 | 129 | 4.3 |
| Nov | 7.9 | 0.8 | 140 | 2.5 |
| Dec | 1.7 | -4 | 138 | 1.9 |
Average high temperature
Best months by activity
Overall: JunJulMayAug
Beaches: JulJunAugMay
Hiking: MayJunJulApr
Sightseeing: JunMayJulAug
Otaru quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Nov, Dec): warm layers and a coat.
Wet months (Jan, Feb, Aug, Sep, Oct, Nov, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Otaru?
Jun, Jul, May, Aug.
What is the rainiest month?
Nov, about 140 mm.
What is the warmest month?
Aug, with average highs of 25.3°C.
Where to stay
See Otaru hotels · Book Otaru tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.