Isehara weather in June

In June, Isehara sees average daytime highs of 24°C and overnight lows near 18°C, with 203 mm of rain across 16.4 wet days and about 14.3 hours of daylight. It is the 4th-warmest and 4th-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 9% 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 Isehara's 12th-clearest and 7th-windiest month. For the whole year in context, see Isehara's year-round climate.

Daytime high
24°
4th warmest
Overnight low
18°
9th coldest
Rainfall
203 mm
16.4 wet days
Daylight
14 h 24 min
4:32 AM – 6:54 PM
Cloud cover
82%
12th clearest
Wind
7 km/h
7th windiest
Solar energy
4.42 kWh/m²
Travel score
5.4
out of 10

Isehara is city in Kanagawa Prefecture, Japan.

Density
1,861/km²
people per km²
Founded
1971

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 Isehara reaches about 24°C in the afternoon and slips back to 18°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°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°35°151015202530
Avg high (°C)Avg low (°C)
12216
22216
32316
42316
52316
62316
72316
82317
92317
102317
112317
122317
132317
142318
152418
162418
172418
182418
192418
202418
212419
222419
232519
242519
252519
262519
272520
282520
292620
302620

How June really feels in Isehara

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.

Isehara weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°828.53.39.91.5
Feb / 8410.13.510.71.7
Mar12° / 15415.42.311.72.8
Apr17° / 14714.40.312.94.7
May21° / 13°15813.6013.85.8
Jun24° / 18°20316.4014.35.4
Jul28° / 22°20517.4014.15.0
Aug29° / 23°16116.3013.34.8
Sep25° / 19°22916.1012.25.6
Oct20° / 14°23114.6011.15.6
Nov15° / 11011.7010.14.5
Dec11° / 768.80.59.72.7

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of June, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22773
32674
42575
52476
62476
72179
82179
92080
101981
111882
121882
131783
141585
151585
161585
171585
181585
191585
201585
211585
221684
231684
241684
251684
261684
271783
281783
291882
301882

Chance of precipitation in June

Any precipitation

Isehara gets around 203 mm of rain over 16.4 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 56% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
144
244
345
446
547
648
749
850
951
1053
1154
1256
1357
1458
1559
1660
1761
1861
1961
2061
2161
2261
2361
2461
2561
2661
2761
2861
2961
3061

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121433240
219433340
317423550
416413760
514403870
612394080
711384191
893743111
983544131
1063345141
1153245171
1243046191
1332846222
1422646242
1522445272
1622244293
1712043324
1811942345
1911740366
2011639387
2111437409
22013354110
23012334312
24010314414
2509304516
2608284518
2707264620
2806254622
2906234625
3005224627

Wind in June

Winds average 7 km/h in June.

Across June, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 4:34 AM to 4:35 AM, and sunset from 6:47 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:346:47
214.24:346:47
314.24:336:48
414.34:336:48
514.34:336:49
614.34:336:50
714.34:326:50
814.34:326:51
914.34:326:51
1014.34:326:52
1114.34:326:52
1214.34:326:53
1314.44:326:53
1414.44:326:53
1514.44:326:54
1614.44:326:54
1714.44:326:55
1814.44:326:55
1914.44:326:55
2014.44:326:56
2114.44:326:56
2214.44:326:56
2314.44:336:56
2414.44:336:56
2514.44:336:57
2614.44:336:57
2714.44:346:57
2814.44:346:57
2914.44:346:57
3014.44:356:57

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.42 kWh/m².

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.09 kWh/m² in May across the year — June's 4.42 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.7Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.3Bright
304.3Bright
Planning a trip in June

Hazard calendar for Isehara

In seasonPeak

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

Isehara 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 Isehara?

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

5.4
Sightseeing
4th-best month of the year
4.5
Beach & pool
4th-best month of the year

June is a reasonable time to visit Isehara for sightseeing.

What to pack for Isehara in June

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

In June, Isehara sees daytime highs around 24°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

Sea temperature near Isehara 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 at the nearest coast (about 31 km away) 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 Isehara 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 Isehara 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 Isehara 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 Isehara is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1525 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb25Moderate
Mar23Moderate
Apr26Moderate
May21Moderate
Jun18Moderate
Jul13Moderate
Aug12Moderate
Sep12Moderate
Oct14Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is Isehara?

Isehara sits at 35.4°N, 139.3°E, 35 m above sea level, in Japan. The nearest listed city is Atsugi, 7.0 km away.

Topography around Isehara

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

Within 3 km, the terrain around Isehara has only modest variations in elevation — a maximum elevation change of 195 m around an average of 39 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,561 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,737 m.

The land around Isehara is covered by artificial surfaces (51%) and trees (25%) within 3 km, trees (42%) and artificial surfaces (36%) within 16 km, and trees (44%), water (29%) and artificial surfaces (21%) within 80 km.

3 km
195 m
16 km
1,561 m
80 km
3,737 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Atsugi 7.0 km · Nihammatsu 8.0 km · Ebina 8.0 km · Hiratsuka 8.0 km · Hadano 8.0 km · Ōiso 9.0 km · Chigasaki 11 km · Ayase 11 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 Isehara (35.3993°, 139.3102°, elevation 35 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).