May · Japan
Best time to visit Hakone in May Weather, crowds & prices
Weather in Hakone in May
Average temperature 18°C, 247 mm of rain, about 22 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
7.1/10
Ranked #6 of 12 months
- Avg temp
- 18°C
- Rainfall
- 247 mm
- Humidity
- 81%
- Days with 6h+ sun
- 22
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Hakone scores 7.1/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 18°C, 247 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Hakone's hot springs, Lake Ashi and Fuji views make it Tokyo's classic mountain escape.
May in Hakone: strong conditions, 6th of 12
May averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
247 mm makes this the wettest stretch of the year, though about 22 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 7.1/10 here, 6th of 12 months, against 8.5/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Hakone in May?
- In May, Hakone averages 18°C, 247 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
- Is May a good time to visit Hakone?
- May earns a 7.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Hakone in May?
- Expect about 247 mm of rain in May. Average humidity is 81% and there are about 22 days with 6+ hours of sunshine.
Curated in Hakone
Tickets & experiences
Things to do in Hakone
Hakone, Japan. Live activities and tours from GetYourGuide, matched to this destination.