Hakone weather in June

In June, Hakone sees average daytime highs of 23°C and overnight lows near 17°C, with 235 mm of rain across 18 wet days and about 14.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 25°C by the end. The sky is clear or mostly clear about 7% of the time in June, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of June to 14 h 24 min by month's end. Set against the rest of the year, June is Hakone's 12th-clearest and 8th-windiest month. For the whole year in context, see Hakone's year-round climate.

Daytime high
23°
4th warmest
Overnight low
17°
9th coldest
Rainfall
235 mm
18 wet days
Daylight
14 h 24 min
4:33 AM – 6:55 PM
Cloud cover
84%
12th clearest
Wind
6 km/h
8th windiest
Solar energy
4.64 kWh/m²
Travel score
5.1
out of 10

Hakone is town in Ashigarashimo district, Kanagawa prefecture, Japan.

Density
122/km²
people per km²
Founded
1956

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 25°C by the end.

A typical June day in Hakone reaches about 23°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, June runs about 3°C warmer than May and about 4°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62216
72216
82216
92316
102316
112316
122316
132317
142317
152317
162317
172317
182417
192418
202418
212418
222418
232418
242518
252519
262519
272519
282519
292519
302619

How June really feels in Hakone

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Hakone weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 949.74.69.91.1
Feb / 10610.9510.71.2
Mar11° / 18015.63.411.72.5
Apr16° / 18114.40.512.94.5
May21° / 13°19114.4013.85.6
Jun23° / 17°23518014.35.1
Jul28° / 21°23517.9014.14.9
Aug29° / 22°18416.5013.34.8
Sep25° / 19°26016.7012.25.5
Oct20° / 13°25115.5011.15.4
Nov15° / 13112.4010.14.1
Dec10° / 8810.219.72.3

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of June, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22080
32080
41882
51882
61882
71783
81783
91783
101684
111684
121585
131486
141486
151486
161486
171486
181486
191486
201486
211486
221486
231486
241486
251486
261486
271585
281585
291585
301783

Chance of precipitation in June

Any precipitation

Hakone gets around 235 mm of rain over 18 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 67% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
146
247
348
450
551
652
753
854
955
1056
1158
1259
1361
1462
1563
1664
1765
1865
1966
2066
2166
2266
2367
2467
2567
2667
2767
2867
2966
3065

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
125492320
223492530
321492730
419492940
517483040
615473250
713463460
812453680
910433790
1094239110
1174040130
1263842150
1353543170
1443344191
1533045211
1622845231
1722546252
1812346272
1912146293
2011945314
2111744335
2211543356
2311342378
2401141399
2509394011
2608374213
2707354314
2806334416
2905314618
3004294720

Wind in June

Winds average 6 km/h in June.

Across June, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 12 min at the start of June to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:36 AM to 4:37 AM, and sunset from 6:47 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:366:47
214.24:356:48
314.24:356:48
414.24:356:49
514.34:356:50
614.34:346:50
714.34:346:51
814.34:346:51
914.34:346:52
1014.34:346:52
1114.34:346:53
1214.34:336:53
1314.34:336:54
1414.34:336:54
1514.44:336:54
1614.44:336:55
1714.44:346:55
1814.44:346:56
1914.44:346:56
2014.44:346:56
2114.44:346:56
2214.44:346:57
2314.44:346:57
2414.44:356:57
2514.44:356:57
2614.44:356:57
2714.44:356:57
2814.44:366:57
2914.44:366:58
3014.44:376:58

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.64 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 5.27 kWh/m² in May across the year — June's 4.64 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.4Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in June

Hazard calendar for Hakone

In seasonPeak

In June, Hakone sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Hakone sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Hakone?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.1
Sightseeing
4th-best month of the year
4.2
Beach & pool
4th-best month of the year

June is a reasonable time to visit Hakone for sightseeing.

What to pack for Hakone in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, Hakone sees daytime highs around 23°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

Sea temperature near Hakone in June

The nearest coast averages about 21°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 31 to Nov 26 — about 5.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May19Cool
Jun21Refreshing
Jul24Refreshing
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Hakone in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hakone peaks around July 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 20UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun9Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Hakone in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Hakone is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb20Moderate
Mar20Moderate
Apr23Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Hakone?

Hakone sits at 35.2°N, 139.0°E, 0 m above sea level, in Japan. The nearest listed city is Yugawara, 6.0 km away.

Topography around Hakone

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hakone.

Within 3 km, the terrain around Hakone has large variations in elevation — a maximum elevation change of 627 m around an average of 811 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,429 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,736 m.

The land around Hakone is covered by trees (81%) within 3 km, trees (63%) within 16 km, and trees (44%) and water (40%) within 80 km.

3 km
627 m
16 km
1,429 m
80 km
3,736 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Yugawara 6.0 km · Susono 11 km · Atami 12 km · Kamizawa 12 km · Nakatogari 13 km · Mishima 13 km · Odawara 14 km · Fushimi 14 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Hakone (35.1895°, 139.0265°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).