Hakone Weather in June

Season: Early summer
Climate Overview: cool, rainy and cloudy

Cloudy Hakone in June

Temperature

Average Temperature: 21.8℃ (71.2℉)
Average High Temperature: 25.6℃ (78.1℉); the highest in recent years is 33.8℃ (92.8℉)
Average Low Temperature: 17.5℃ (63.5℉); the lowest in recent years is 13.8℃ (26.8℉)

In June, the early summer, the climate of Hakone is not hot for the most time except around noon. The highest temperatures of most days would exceed 24℃ (75.2℉). The wind speed is only 10.4 km/ h - a low level, which makes people feel a little uncomfortable after a long time of walking or hiking. In spite of that, the cold air would pass by occasionally and cause the high temperature drop to 18 - 20℃ (64.4 - 68℉).

Rainy Season (Tsuyu) Starts

Average Rainfall: 163mm
Average Rainy Days: 8 days; the highest record is 17 days

Hakone’s rainy season begins in June. And according to the data in recent years, there are about 1 - 2 heavily rainy days. The frequent precipitation causes high humidity - 83%, thus easy to fog up, blocking tourists’ eyesight to see Mount Fuji. Also, if your clothes are wet by sweat, it takes a long time to dry them up. Last, the 49% cloud cover makes June the cloudiest month and also influences the visibility to see Mount Fuji.

Sunrise, Sunset, and Daylight

Sunrise (1st - 30th): around 4:30
Sunset (1st - 30th): roughly 18:50 - 19:00
Average Daylight Hours: 14.5h

June has both the longest average daylight hour and the strongest UV index - 6, a high level in a whole year. On sunny days, especially, on mountain summits, chemical and physical sun protection is important.

Is it Worth Going to Hakone in June?

June is not a bad month to go to Hakone.

First, the average temperature is not high to an unbearable level. Compared with Tokyo, it is much cooler. Second, although the chance of rain is high, you can avoid it by checking weather forecast. The pity is that Mount Fuji may not be seen clearly like in other months.

Second, from the perspective of travel budget, traveling to Hakone in June is more cost-effective. The prices for accommodation in June is the lowest throughout the year. For rooms of the same standards, it is about 40% cheaper in June than in other months.

Last, from mid-June, the hydrangea blossom - Hakone’s highlight in summer begins to bloom.

How to Dress in Hakone in June

Coming to Hakone in June, loose, light, and breathable summer clothes are good.

For girls, a breathable long dress is very suitable. Or, they can wear T-shirt as the upper and skirt/ shorts as the lower. For shoes, if you have no plans to hike or do other outdoor activities, then sandals are ok; if you do, then take an extra pair of summer sneakers. For boys, please also dress loosely. For the upper, cotton T-shirt is suitable for outdoor walking as it has good properties like quick sweat absorption and heat dissipation; for the lower, shorts and sneakers are enough.

To protect your skin from strong sunlight, change skirt/ shorts to long summer pants. What’s more, if you plan to travel to high-altitude areas, a long-sleeve shirt can help you keep warm.

What Else to Take:

1. Umbrella;
2. Sunglasses, hat, sun cream: They can protect you from being burnt by sun.
3. Fold fan and drinking water: They help you cool down when it is sultry.

What to Do in Hakone in June 2026

1. Soak Onsen

Have no idea what to do on a rainy day while in Hakone? Then why not go to enjoy the hot spring bath in this hometown of onsen? Try to imagine the scene: you are bathing in the outdoor pool, your body is touched and wrapped by the warm water, what you can feel is the gentle breeze, and what you hear is the sound of nature - the rain dropping on the roof. What an enjoyment it is!

2. Appreciate Hydrangea Flowers by Hakone Tozan Train

From mid-June to mid-July, 10,000 hydrangea flowers of various colors would bloom along both sides of the Hakone Tozan Train track. You can watch them through the train’s window while sitting on the train. Or, around some stations like Hakone Yumoto Station, Tonosawa Station, and Ohiradai Station, this kind of flowers bloom vigorously, so don’t hesitate, get off the train, and take photos with them.

Hakone Tozan Train

3. Watch Japanese Rituals in Kuzuryu Shrine

To feel Japan’s religious atmosphere in June of Hakone, you can go to Kuzuryu Shrine. Every year on June 13th, the Kuzuryu Shrine Festival is held to worship the local deity, which is said to bring people good luck. On that day, you can make reservation in advance and then take the ship from Motohakone to the Shrine on that day, watch priests holding rituals, and visit its main shrine.

Ritual held in Kuzuryu Shrine

Tips

1. Even if it is in summer, Hakone Pirate Ship and Hakone Ropeway might stop running due to rainy and foggy weather.

2. Fog often occurs in June and it influences appreciation of the natural beauty. If it is the case, you can go to indoor attractions. Recommended places are Open Air Museum, Pola Museum of Art, Venetian Glass Museum, and Okada Museum of Art.

June Weather for Other Cities in Japan:

Hakone Weather by Month

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