Ōamishirasato weather in June

In June, Ōamishirasato sees average daytime highs of 24°C and overnight lows near 20°C, with 166 mm of rain across 13.2 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 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 12% of the time in June, and the air most often feels muggy.

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 Ōamishirasato's 12th-clearest and 11th-windiest month. For the whole year in context, see Ōamishirasato's year-round climate.

Daytime high
24°
4th warmest
Overnight low
20°
9th coldest
Rainfall
166 mm
13.2 wet days
Daylight
14 h 24 min
4:27 AM – 6:50 PM
Cloud cover
80%
12th clearest
Wind
12 km/h
11th windiest
Solar energy
4.84 kWh/m²
Travel score
5.9
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 26°C by the end.

A typical June day in Ōamishirasato reaches about 24°C in the afternoon and slips back to 20°C overnight — a 5°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.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12318
22318
32318
42318
52318
62318
72419
82419
92419
102419
112419
122419
132419
142419
152420
162420
172420
182520
192520
202520
212520
222520
232521
242521
252521
262621
272621
282621
292621
302622

How June really feels in Ōamishirasato

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.

Ōamishirasato 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 / 838.10.69.92.2
Feb10° / 788.80.810.72.3
Mar13° / 13513.10.411.73.3
Apr17° / 11°11512.5012.95.1
May21° / 16°12711.2013.86.2
Jun24° / 20°16613.2014.45.9
Jul28° / 23°13512.6014.25.4
Aug30° / 25°10211.3013.35.0
Sep26° / 22°17514.3012.25.7
Oct21° / 17°21913.6011.16.0
Nov17° / 12°11211010.15.2
Dec12° / 758.509.63.4

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of June, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13070
22971
32872
42872
52674
62575
72575
82476
92377
102278
112179
122179
131882
141882
151882
161783
171783
181783
191783
201783
211783
221783
231783
241783
251882
261882
271981
281981
292080
302179

Chance of precipitation in June

Any precipitation

Ōamishirasato gets around 166 mm of rain over 13.2 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 45% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
136
237
338
438
539
640
740
841
942
1043
1144
1245
1346
1447
1548
1648
1749
1849
1949
2048
2148
2248
2348
2448
2549
2649
2749
2849
2948
3048

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11132441300
21030441500
3929451710
4828451910
5726452110
6625452310
7623452520
8522442720
9421442930
10319433130
11318423340
12217413640
13115403850
14114394060
15113374270
16111364480
17110344690
18093247110
19083148130
20072949150
21072749170
22062549190
23052449210
24052249240
25042049270
26041947290
27041746321
28031645341
29031544371
30031442401

Wind in June

Winds average 12 km/h in June.

Across June, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light 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 4:30 AM, and sunset from 6:43 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:306:43
214.24:296:43
314.24:296:44
414.34:296:45
514.34:286:45
614.34:286:46
714.34:286:46
814.34:286:47
914.34:286:47
1014.34:276:48
1114.34:276:48
1214.44:276:49
1314.44:276:49
1414.44:276:50
1514.44:276:50
1614.44:276:50
1714.44:276:51
1814.44:276:51
1914.44:286:51
2014.44:286:52
2114.44:286:52
2214.44:286:52
2314.44:286:52
2414.44:286:53
2514.44:296:53
2614.44:296:53
2714.44:296:53
2814.44:306:53
2914.44:306:53
3014.44:306:53

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.84 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 5.35 kWh/m² in May across the year — June's 4.84 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in June

Hazard calendar for Ōamishirasato

In seasonPeak

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

Ōamishirasato 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 Ōamishirasato?

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

5.9
Sightseeing
3rd-best month of the year
5.2
Beach & pool
4th-best month of the year

June is a reasonable time to visit Ōamishirasato for sightseeing.

What to pack for Ōamishirasato in June

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

In June, Ōamishirasato sees daytime highs around 24°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 13 days see rain.

rain gearlight clothessun protection

Sea temperature near Ōamishirasato 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 28 km away) is warmest in August at about 25°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 5 to Nov 22 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Cool
Apr16Cool
May19Cool
Jun21Refreshing
Jul23Refreshing
Aug25Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Ōamishirasato 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 Ōamishirasato peaks around August 12 at about 10 (extreme) — 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 highVery highModerateAug 12UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Ōamishirasato 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 Ōamishirasato is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (September, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1322 µg/m³Sep 911 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun16Moderate
Jul12Good
Aug11Good
Sep11Good
Oct14Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Ōamishirasato?

Ōamishirasato sits at 35.5°N, 140.4°E, 7 m above sea level, in Japan. The nearest listed city is Ōami, 3.0 km away.

Topography around Ōamishirasato

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

Within 3 km, the terrain around Ōamishirasato has only modest variations in elevation — a maximum elevation change of 20 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, significant variations in elevation — a maximum elevation change of 452 m.

The land around Ōamishirasato is covered by cropland (49%) and trees (28%) within 3 km, trees (35%), cropland (23%) and water (21%) within 16 km, and water (44%), trees (23%) and artificial surfaces (20%) within 80 km.

3 km
20 m
16 km
186 m
80 km
452 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Ōami 3.0 km · Tōgane 4.0 km · Mobara 11 km · Narutō 11 km · Sanmu 14 km · Yachimata 16 km · Yokoshiba 19 km · Yotsukaidō 23 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 Ōamishirasato (35.5118°, 140.3526°, elevation 7 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).