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Hakone in October: rain, what to pack and what's on

In October, Hakone gets 403.8 mm of rain on about 12.9 days (JMA, 1991–2020). The JMA does not measure temperature in Hakone.

Updated

403.8 mmprecipitation
12.9 dayswet days

Hakone weather in October

Averages for 1991–2020 at the JMA's Hakone rain gauge (855 m above sea level). It records precipitation only.

Precipitation
403.8 mm
Wet days
12.9 days

October is Hakone's 4th wettest month (403.8 mm).

Of our 15 places, Hakone gets the most precipitation in October: 169.0 mm more than Tokyo.

Rain of 1 mm or more falls on 12.9 days, and 10 mm or more on 7.9 days.

Rain of 30 mm or more in one day falls on 3.9 days, and 50 mm or more on 2.5 days, including 0.8 days with 100 mm or more.

Early, mid and late October

Hakone in October by ten-day period: averages for 1991–2020 (JMA)
DaysPrecipitation
1–10 October174.6 mm
11–20 October132.1 mm
21–31 October97.1 mm

By ten-day totals, 1–10 October is the wettest (174.6 mm) and 21–31 October the driest (97.1 mm).

A path climbing a hillside of golden susuki grass at Sengokuhara, Hakone, with visitors walking on it
Photo: Hakone 20221104 130233.jpg by Ka23 13 (CC BY-SA 4.0, cropped), via Wikimedia Commons.

Rain gear for Hakone in October

The JMA does not measure temperature in Hakone, so we do not give a clothing level. The JMA's nearest temperature stations are at different heights.

  • An umbrella: rain falls on 12.9 days.

Pack

  • Umbrella

Rainy season and typhoons

In an average October, 0.7 typhoons come within 300 km of the Kanto-Koshin region; across Japan, 1.7 come within 300 km and 0.3 make landfall (JMA, 1991–2020).

October records in Hakone

The extremes the JMA has measured in October at its Hakone station.

Wettest October day
922.5 mm on 12 October 2019 (records since 1976)

Holidays and crowds in October

National holidays in October 2026:

  • Mon 12 October — Sports Day
  • Sat 10 October to Mon 12 October: 3 days off in a row

In October 2025, hotels and inns across Kanagawa Prefecture were 70.8% full on average (3rd busiest of 12 months). Foreign guests spent 582,040 nights there that month (Japan Tourism Agency). That compares with 61.7% in September and 72.1% in November.

What's on in Hakone in October

Events in Hakone in October: dates from each organizer's official page
EventWhenWhere and what
Sengokuhara Pampas Grass Field仙石原すすき草原October to NovemberSengokuhara, Hakone, on the northwest foot of Mt. Daigatake at about 700 m above sea level. A walking path runs through the middle of the field. The pampas grass field gradually changes from gold to silver over October and November. It is listed among the '100 Flower Spots of Kanagawa' and the '50 Scenic Spots of Kanagawa'. Official page

Hakone before and after October

Hakone: September, October and November (JMA, 1991–2020)
MonthPrecipitationWet daysDays of 10 mm or more
September448.7 mm (+44.9 mm)14.7 days (+1.8 days)8.9 days (+1.0 days)
October403.8 mm12.9 days7.9 days
November197.1 mm (−206.7 mm)9.7 days (−3.2 days)4.8 days (−3.1 days)

Other places in October

October: Hakone against five other places (JMA, 1991–2020)
PlacePrecipitationAgainst HakoneWet daysAgainst Hakone
Tokyo234.8 mm−169.0 mm10.5 days−2.4 days
Kyoto143.2 mm−260.6 mm8.2 days−4.7 days
Osaka136.0 mm−267.8 mm8.3 days−4.6 days
Sapporo109.9 mm−293.9 mm11.6 days−1.3 days
OkinawaNaha179.2 mm−224.6 mm8.8 days−4.1 days

Frequently asked questions

What is the weather like in Hakone in October?

Hakone gets 403.8 mm of rain on about 12.9 days in October (JMA, 1991–2020). The JMA does not record temperature in Hakone.

Is Hakone busy in October?

In October 2025, hotels and inns across Kanagawa Prefecture were 70.8% full on average (3rd busiest of 12 months). Foreign guests spent 582,040 nights there that month (Japan Tourism Agency).

What events are on in Hakone in October?

Sengokuhara Pampas Grass Field: October to November.

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Compiled by Japan Japan !! · Updated October 2, 2026