Month guide · Hakone · Japan
Hakone in August
What August is really like in Hakone: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Aimaimyi, CC BY-SA 3.0
Quick answer
August is a quieter month with trade-offs. Expect average highs of 27°C (81°F), lows of 20°C (68°F), about 12 rainy days and roughly 13.5 hours of daylight. Japanese summer holidays and Obon make it one of the busiest months, with occasional typhoon rain.
Key facts
- Average high / low
- 27°C (81°F) / 20°C (68°F)
- Rainy days
- About 12
- Daylight
- About 13.5 hours
- Crowds
- Very busy
- Hotel prices
- Highest
Weather in August
August is the warmest month in Hakone: days average 27°C (81°F) against a yearly average high of 17°C (63°F), and nights fall to about 20°C (68°F). Rain falls on roughly 12 of its 31 days. Compared with July (26°C (79°F)), August is about as warm; by September highs drop to around 23°C (73°F).
- Sunrise (15 August)
- About 05:03
- Sunset (15 August)
- About 18:33
- Daylight
- About 13.5 hours
Summer (June–August). Rainy season and hydrangeas in June and July, then humid, often cloudy weather; cooler than Tokyo but Fuji is rarely visible.
Crowds and prices
On a 1–5 scale, August rates 5 for crowds (the peak is August at 5) and 5 for hotel prices (highest in August). Book accommodation early: August is one of the pricier months.
Events in August
- Gōra Daimonji-yaki bonfire on Mount Myōjō (usually 16 August)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in August
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Nature · Sengokuhara
Mount Kintoki hike
Mount Kintoki (1,212 m), on the northern rim of the Hakone caldera, is a steep half-day hike from the Sengokuhara side with one of the best views of Mount Fuji in the area.
- Time needed
- 3–4 hours return
- Cost
- Free
- Free
- Active
- Views
- Outdoors

Gallery · Sengokuhara
Pola Museum of Art
Walk the forest trail after the galleries; it is especially beautiful in autumn and needs only about 20 minutes.
- Time needed
- 2 hours
- Cost
- Mid-priced
- Art
- Rainy day
- Nature

Gallery · Kowakudani
Okada Museum of Art
This museum displays Japanese, Chinese and Korean art, from ceramics to folding screens, across several floors.
- Time needed
- 1.5–2 hours
- Cost
- Expensive
- Art
- Rainy day
- Couples
Garden · Gōra
Gōra Park
Ride the cable car up to Kōen-kami station and walk down through the park to Gōra.
- Time needed
- 1 hour
- Cost
- Low cost
- Kids
- Nature
- Rainy day
What to pack
For highs near 27°C, lows near 20°C and 12 wet days: light layers for the day and a light jacket for the evening; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is August a good time to visit Hakone?
A quieter month with trade-offs, with a notable event on the calendar. If your dates are flexible, April and October–December are better overall. Compare every month.
Hakone in other months
Questions travellers ask
+Is August a good time to visit Hakone?
It is a quieter month with trade-offs. Japanese summer holidays and Obon make it one of the busiest months, with occasional typhoon rain.
+How warm is Hakone in August?
Average highs are around 27°C (81°F) and lows around 20°C (68°F).
+Does it rain a lot in Hakone in August?
Expect rain on about 12 days of the month, so pack for wet weather.