Late summer · Weather & things to do
Otaru in August
Otaru's warmest month brings highs averaging 78°F (26°C), lows of 63°F (17°C) and about 6.3 in (160 mm) of rain.
Our comfort score puts it mid-table at 59/100, 6th of 12.

- Avg high
- 78°F (26°C)
- Avg low
- 63°F (17°C)
- Rain
- 6.3 in (160 mm)
- Humidity
- 86%
- Cloud cover
- 75%
- Daylight
- ~13 h 46 min
- Comfort score
- 59/100 · Fair
What August feels like
Highs settle around 78°F (26°C), warm enough for short sleeves.
Nights cool to an average low of 63°F (17°C).
With 86% average humidity, it feels muggy.
Rain is a real factor, with about 6.3 in (160 mm) across the month.
Skies are often grey, with average cloud cover around 75%.
Plan around August
August sits mid-table; the best months are May & June and September.
- Inside the wettest three-month stretch, July – September.
- Comfort slips from 62/100 in July to 59/100.
- August sits inside the Jul – Aug, Jan – Feb window our Hokkaido: Sapporo, Otaru & Furano route recommends.
What to pack for August
- Light, breathable clotheshighs average 78°F
- Quick-dry fabrics86% average humidity
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Otaru in August
Wet days call for a roof: these picks favor sit-down and indoor stops, plus a few for drier spells.
Nikka Whisky Yoichi Distillery
Stone distillery founded in 1934, with coal-fired stills and a tasting hall.
Why now An indoor-leaning stop for a month with 6.3 in of rain.
Otaru Beer Warehouse No. 1
Brewpub in a canal-side warehouse pouring German-style beers.
Why now A sit-down stop to wait out showers in a month with 6.3 in of rain.
Sankaku Market
Small market by Otaru Station serving seafood rice bowls and grilled crab.
Why now Easy to slot in when August's rain moves in.
Otaru Music Box Museum
Brick hall filled with thousands of music boxes and a steam clock outside.
Why now A good rainy-day backup in August.
Kitaichi Glass
Glassworks and shops; Kitaichi Hall is lit by 167 oil lamps.
Nearby in August
- Sapporo in August~20 mi · highs 78°F, 6.3 in rain · similar daytime temperatures, about as wet
- Furano and Biei in August~77 mi · highs 77°F, 6.1 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~279 m to Otaru's ~47 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Otaru in August: quick answers
Is August a good time to visit Otaru?
It's middling, scoring 59/100. The best months are May & June and September, at up to 79. Expect highs of 78°F (26°C) and 6.3 in (160 mm) of rain. August is inside the Jul – Aug, Jan – Feb window our Hokkaido: Sapporo, Otaru & Furano route recommends.
How hot is Otaru in August?
Average highs are 78°F (26°C) and average lows 63°F (17°C), making it the warmest month by daytime highs.
Does it rain a lot in Otaru in August?
Yes: about 6.3 in (160 mm) of rain falls across August on average, the wettest month of the year. The annual total is about 50.1 in (1272 mm).
What should I pack for Otaru in August?
Bring light, breathable clothes (highs average 78°F), quick-dry fabrics (86% average humidity), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Routes in season in August
- Hokkaido: Sapporo, Otaru & Furano Jul – Aug, Jan – Feb
Planning Otaru in August?
Share this August plan with your group, poll everyone on dates and keep the packing list in one place.





