Hakone Weather in May
Hakone in May sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 14°C (57°F). As part of the rainy season, showers are frequent and often heavy. Budget around 190 mm (7.5 in) of rainfall for the month.
Rainfall in Hakone in May
As part of the rainy season, Hakone sees around 15 days of rain in May, with an average of 190 mm (7.5 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Hakone in May
Hakone in May gets highs of 21°C (70°F) during the day and drops to 14°C (57°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Hakone's climate page.
Hakone Temperature in May
Min Temperature
14°C (57°F)
Max Temperature
21°C (70°F)
Chance of Rain
51%
Precipitation
190 mm (7.5 in)
Rainy days
15 days
Humidity
61% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hakone typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 11°C (52°F) to 14°C (57°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Hakone in May
Browse day-by-day weather records for Hakone spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hakone historical weather extremes in May
Based on weather observations in Hakone between 1976 and 2026, these are the recorded extremes during May.
- The hottest May day on record in Hakone reached 31°C (88°F) (May 29, 2026).
- Hakone experienced its chilliest May day on May 2, 1993, reaching only 11°C (52°F).
Best Places in Japan in May
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in May →
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tolerable
unpleasant
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What to Wear in Hakone in May
For Hakone in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Hakone in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Hakone's climate page.
See the full Hakone climate overview or explore weather in Japan.
