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Hakone, Japan · Alpine mountain climate

Hakone in May: go or not?

Tough period. Hakone in May only reaches 4.4/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 35.23°N · 139.01°E
⚡ This month's verdict
Avoid
Hakone · May
4.4
8–16°
Temperature
38%
Rain
6h
Sun
❄️ Alpine climate☀️ High-altitude UV🌦️ Changeable weather
Photo : erika m via Unsplash
The month in detail

What to expect in May

Off-season for skiing Hakone — lifts are closed. Consider hiking, mountain biking or summer activities at altitude.

May ranks 4 out of 12 months in Hakone. Compared to April: +7°F daytime.

This month's conditions

What it's like in May

UV index
6 · moderate
protect during midday hours
Feels like
dry air
8°
Daylight
13.9h of daylight
Air quality
good
AQI 37
Compare

Is May the right month?

The best month in Hakone is August (7.6/10), 3.2 pts higher than May.

See August →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Hakone

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a mountain stay.

Country · Japan

🗣️LanguageJapanese
💶CurrencyYen japonais (¥)
🚗DrivingLeft-hand
🛡️Safety ⓘSafe · 2/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeAlpine mountain climate
📈Climate trend ⓘStable
🔥Hottest monthAugust · 75°F
❄️Coolest monthJanuary · 37°F
🌧️Rainiest month ⓘJune · 47%

🏔️ Mountain stay

⛰️Village altitude131 ft
🎿Ski area—
⛷️Ski seasonDec → May
🥾Hiking seasonJun → Sep
🧗High mountains ⓘGuide recommended
Location

Where is Hakone ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Japan
Alpine mountain climate climate with a 7.6 → 1.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
35.23°N · 139.01°E
Questions

Frequently asked questions

When is the best time to visit Hakone?
It depends on the activity. For skiing: January (ski score 7.4/10). For hiking/suiner: January (7.4/10, 3.0°F).
Can you ski in Hakone in winter?
Yes, it's peak ski season. Average ski score December–February: 6.8/10. Cold temperatures (3°F max in January) and frequent snowfall.
Is it warm in Hakone in suiner?
In January, temperatures average 3.0°F. Ideal for hiking and outdoor activities.
What is the wettest month in Hakone?
March is the wettest month with March has the lowest climate score of the year.
Do you need sun protection in Hakone in May?
The average UV index reaches 6 in May in Hakone (moderate), with about 13.9h of daylight. Protect during midday hours.