Hakone in May:
warm, frequent rain

Hakone, Japan · Records from 2006 to 2025. Not a forecast.

Mean high23°Hottest day 31.9° (2019)
Mean low16°Coldest night 7° (2013)
Rain days10 days5-15 by year
Rainfall190mmDaylight 13.6 → 14.4 h
Hakone's 12 months iBest: May and October
Trip types Sightseeing on foot Finemild
Humidity76%1 muggy day
Clear days3 days16 overcast days
Mean wind7 km/hRarely windy
Sunrise / sunset (15th)04:40 / 18:40Daylight 13.6 → 14.4 h

Hakone in May

After Golden Week the greenery deepens and walking is pleasant. Rainy days begin to increase, so bring a light waterproof layer. Mornings by the lake can be misty, so give yourself some slack.

Highs of 23°C and lows of 16°C: short sleeves by day, with mild nights. Rain fell on 10 days of the month on average. Most years sat near the average of 10, though 2015 dipped to 5 and 2011 climbed to 15.

May 2015 averaged 25.1°C by day, 2.1°C above the 20-year mean. Wet days did not mess around: about 19 mm each, the kind of rain that drives you into a doorway.

Typhoons i

1 of the last 20 years had a tropical storm pass within 300 km this month.

  • Ewiniar (2024), 251 km away tropical storm
1 2 3 4 15 26 67 88 109 910 11 12

Date by date i

‹ April May 2027 June ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
May 1rain on 45% of days22° 14°
2-8rain on 28% of days22° 14°
9-15rain on 32% of days22° 15°
16-22rain on 33% of days24° 17°
23-29rain on 35% of days24° 17°
30-31rain on 40% of days24° 18°

0-5/206-8/209-11/2012-20/20

May 1rain on 45% of days22° 14°
2-8rain on 28% of days22° 14°
9-15rain on 32% of days22° 15°
16-22rain on 33% of days24° 17°
23-29rain on 35% of days24° 17°
30-31rain on 40% of days24° 18°
Tap another date to change

2006none
2007none
200835mm
200911mm
20108mm
201198mm
20124mm
20134mm
20144mm
20154mm
2016none
2017none
2018none
201920mm
20201mm
2021none
2022none
20237mm
2024none
20256mm
Holidays in May (2027)
  • April 29 to May 5 Golden Week
  • May 3 Constitution Memorial Day
  • May 4 Greenery Day
  • May 5 Children's Day
  • May 31 Memorial Day

1 Local public holiday or break (busier, pricier)1 US holidays (flights fill up)

Day by day temperature i

11°18°26°33° 1815222931

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
3 d 12 d
2007
2 d 8 d
2008
2 d 14 d
2009
4 d 11 d
2010
1 d 10 d
2011
2 d 15 d
2012
2 d 10 d
2013
2 d 9 d
2014
1 d 10 d
2015
0 d 5 d
2016
2 d 8 d
2017
0 d 6 d
2018
4 d 10 d
2019
2 d 8 d
2020
2 d 10 d
2021
2 d 12 d
2022
2 d 11 d
2023
2 d 11 d
2024
2 d 12 d
2025
2 d 12 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
9
9
4
1
3
5
11
6
5
7
8
7
10
4
4
7
8
5
8
8
5
5
5
6
5
5
8
8
12
8
8
Rain days on trip
32241222102042222222

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2015 had 5 rain days, 2011 had 15.

Hakone through the year

MonthHighLowRain daysRainfall
January 11°4°5 days62mm
February 11°4°7 days89mm
March 15°7°11 days178mm
April 19°11°11 days183mm
MayGood 23°16°10 days190mm
June 25°19°12 days260mm
July 29°23°12 days231mm
August 31°25°8 days199mm
September 27°21°12 days264mm
OctoberGood 22°17°11 days224mm
November 17°12°8 days103mm
December 13°7°7 days81mm

Common questions

Does it rain a lot in Hakone in May?

Over the past 20 years May averaged 10 rain days (1 mm or more) out of 31. Individual years ran from 5 in the driest to 15 in the wettest.

What should I wear in Hakone in May?

Days averaged 23°C and nights 16°C. Pack a compact umbrella, a waterproof jacket, a light layer for the evenings, and T-shirts.

Is May a good time to visit Hakone?

On warmth and rain days alone, Hakone's easiest months were May and October. May ranked first of 12.

How many clear days does Hakone get in May?

About 3 clear days (under 30% cloud on average) and 16 overcast days (80% or more).