Narashino weather in June

In June, Narashino sees average daytime highs of 25°C and overnight lows near 19°C, with 161 mm of rain across 13.7 wet days and about 14.4 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 11% 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 Narashino's 12th-clearest and 10th-windiest month. For the whole year in context, see Narashino's year-round climate.

Daytime high
25°
4th warmest
Overnight low
19°
9th coldest
Rainfall
161 mm
13.7 wet days
Daylight
14 h 24 min
4:28 AM – 6:52 PM
Cloud cover
80%
12th clearest
Wind
12 km/h
10th windiest
Solar energy
4.56 kWh/m²
Travel score
5.8
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 26°C by the end.

A typical June day in Narashino reaches about 25°C in the afternoon and slips back to 19°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 21°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)
12417
22417
32418
42418
52418
62418
72418
82418
92418
102418
112419
122419
132419
142419
152519
162519
172519
182519
192520
202520
212520
222520
232520
242620
252620
262621
272621
282621
292621
302621

How June really feels in Narashino

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.

Narashino 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 / 706.80.89.92.0
Feb10° / 667.91.510.62.2
Mar13° / 12012.20.711.73.4
Apr17° / 10°11411.9012.95.3
May22° / 15°13111.6013.96.2
Jun25° / 19°16113.7014.45.8
Jul28° / 23°15313.7014.25.1
Aug30° / 24°11211.8013.34.8
Sep26° / 21°17514.2012.25.7
Oct21° / 15°20712.9011.16.1
Nov16° / 10°9810.1010.15.1
Dec11° / 637.70.19.63.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% 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 78%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23070
33070
42971
52872
62773
72674
82575
92476
102377
112377
122179
132080
142080
152080
161981
171882
181783
191783
201783
211783
221783
231783
241783
251882
261882
271981
281981
291981
302080

Chance of precipitation in June

Any precipitation

Narashino gets around 161 mm of rain over 13.7 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 47% and peaks near 52% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
136
237
337
438
539
640
741
842
943
1044
1146
1247
1348
1449
1550
1651
1751
1851
1951
2051
2151
2251
2351
2451
2552
2652
2752
2852
2952
3052

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11533421000
21332431200
31231431300
41130441510
51029441610
6927441810
7826452020
8725452220
9624442420
10522442630
11421432840
12320433040
13318423350
14217403560
15115393770
16114383980
17113364190
181123443100
191113344120
200103145140
21092946160
22082746180
23082546200
24072446230
25062246250
26062046270
27051945301
28051844321
29041743351
30041642371

Wind in June

Winds average 12 km/h in June.

Across June, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

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 4:30 AM to 4:31 AM, and sunset from 6:44 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:306:44
214.24:306:45
314.34:306:46
414.34:296:46
514.34:296:47
614.34:296:47
714.34:296:48
814.34:296:48
914.34:286:49
1014.44:286:50
1114.44:286:50
1214.44:286:50
1314.44:286:51
1414.44:286:51
1514.44:286:52
1614.44:286:52
1714.44:286:52
1814.44:286:53
1914.44:286:53
2014.44:286:53
2114.44:296:54
2214.44:296:54
2314.44:296:54
2414.44:296:54
2514.44:296:54
2614.44:306:55
2714.44:306:55
2814.44:306:55
2914.44:316:55
3014.44:316:55

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.56 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 5.16 kWh/m² in May across the year — June's 4.56 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in June

Hazard calendar for Narashino

In seasonPeak

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

Narashino 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 Narashino?

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

5.8
Sightseeing
3rd-best month of the year
5.2
Beach & pool
4th-best month of the year

June is a reasonable time to visit Narashino for sightseeing.

What to pack for Narashino in June

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

In June, Narashino sees daytime highs around 25°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

Sea temperature near Narashino 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 16 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Narashino 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 Narashino peaks around August 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highModerateAug 10UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Narashino 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 Narashino is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2425 µg/m³Dec 1914 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun19Moderate
Jul16Moderate
Aug15Moderate
Sep15Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Narashino?

Narashino sits at 35.7°N, 140.0°E, 16 m above sea level, in Japan. The nearest listed city is Makuhari, 4.0 km away.

Topography around Narashino

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

Within 3 km, the terrain around Narashino has only modest variations in elevation — a maximum elevation change of 39 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,251 m.

The land around Narashino is covered by artificial surfaces (82%) within 3 km, artificial surfaces (49%) and water (25%) within 16 km, and water (30%), trees (27%) and artificial surfaces (25%) within 80 km.

3 km
39 m
16 km
65 m
80 km
1,251 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Makuhari 4.0 km · Honchō 5.0 km · Yachiyo 10 km · Kamagaya 10 km · Chiba 11 km · Yotsukaidō 12 km · Urayasu 13 km · Shiroi 13 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 Narashino (35.6818°, 140.0415°, elevation 16 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).