Shirone weather in June

In June, Shirone sees average daytime highs of 25°C and overnight lows near 18°C, with 117 mm of rain across 12.1 wet days and about 14.6 hours of daylight. It is the 4th-warmest and 9th-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 20% of the time in June, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of June to 14 h 36 min by month's end. Set against the rest of the year, June is Shirone's 8th-clearest and 10th-windiest month. For the whole year in context, see Shirone's year-round climate.

Daytime high
25°
4th warmest
Overnight low
18°
9th coldest
Rainfall
117 mm
12.1 wet days
Daylight
14 h 36 min
4:26 AM – 7:02 PM
Cloud cover
70%
8th clearest
Wind
8 km/h
10th windiest
Solar energy
5.46 kWh/m²
Travel score
6.3
out of 10

Shirone is human settlement in Japan.

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 24°C in the first days to 26°C by the end.

A typical June day in Shirone reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°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 4°C warmer than May and about 4°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12315
22315
32416
42416
52416
62416
72416
82417
92417
102417
112417
122417
132417
142518
152518
162518
172518
182518
192518
202519
212519
222519
232519
242519
252619
262620
272620
282620
292620
302620

How June really feels in Shirone

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.

Shirone weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 17124.716.49.70.2
Feb / 1172013.110.50.4
Mar10° / 12219.36.311.71.8
Apr16° / 9213.80.612.94.4
May21° / 13°96120146.2
Jun25° / 18°11712.1014.66.3
Jul28° / 22°21415.8014.35.0
Aug30° / 23°15013.7013.54.6
Sep26° / 20°14014.3012.35.8
Oct20° / 13°14614.60115.7
Nov14° / 15618.60.4103.4
Dec / 18223.38.99.41.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 14% of June, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34258
44258
54159
64159
74159
84159
93961
103961
113763
123763
133565
143565
153367
163367
173268
183268
193169
203169
212971
222971
232773
242773
252773
262674
272575
282674
292674
302674

Chance of precipitation in June

Any precipitation

Shirone gets around 117 mm of rain over 12.1 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 41% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
132
232
333
433
533
634
734
835
935
1036
1137
1237
1338
1439
1540
1641
1742
1842
1943
2044
2145
2246
2347
2448
2549
2650
2751
2851
2952
3053

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 29% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
132422420
230422620
327422830
425423040
522413250
620413360
718403570
816383790
9143739100
10123540121
11113342141
1293143161
1382944181
1472744201
1562545222
1652345252
1752145273
1842044294
1941843314
2031742336
2121541357
2221440368
23112383810
24111374012
25110354113
2619334315
2707314417
2806294519
2905274622
3004254624

Wind in June

Winds average 8 km/h in June.

Across June, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 24 min at the start of June to 14 h 36 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 4:29 AM to 4:29 AM, and sunset from 6:54 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:296:54
214.44:296:55
314.44:286:55
414.54:286:56
514.54:286:56
614.54:276:57
714.54:276:58
814.54:276:58
914.54:276:59
1014.54:276:59
1114.64:267:00
1214.64:267:00
1314.64:267:01
1414.64:267:01
1514.64:267:02
1614.64:267:02
1714.64:267:02
1814.64:267:03
1914.64:267:03
2014.64:277:03
2114.64:277:04
2214.64:277:04
2314.64:277:04
2414.64:277:04
2514.64:287:04
2614.64:287:05
2714.64:287:05
2814.64:297:05
2914.64:297:05
3014.64:297:05

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.46 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 5.6 kWh/m² in May across the year — June's 5.46 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in June

Hazard calendar for Shirone

In seasonPeak

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

Shirone 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 Shirone?

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

6.3
Sightseeing
1st-best month of the year
5.5
Beach & pool
4th-best month of the year

June is a reasonable time to visit Shirone for sightseeing.

What to pack for Shirone in June

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

In June, Shirone sees daytime highs around 25°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Shirone in June

The nearest coast averages about 19°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 18 km away) is warmest in August at about 26°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 22 to Oct 30 — about 4.3 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar10Bracing
Apr11Bracing
May15Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Cool

UV index in Shirone 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 Shirone peaks around August 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 11UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Shirone 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 Shirone is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1723 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug14Moderate
Sep12Moderate
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Shirone?

Shirone sits at 37.8°N, 139.0°E, -1 m above sea level, in Japan. The nearest listed city is Niitsu-honchō, 10 km away.

Topography around Shirone

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

Within 3 km, the terrain around Shirone has only modest variations in elevation — a maximum elevation change of 12 m around an average of 1 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 451 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,075 m.

The land around Shirone is covered by cropland (70%) and artificial surfaces (22%) within 3 km, cropland (51%) and artificial surfaces (23%) within 16 km, and trees (49%) and water (39%) within 80 km.

3 km
12 m
16 km
451 m
80 km
2,075 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Niitsu-honchō 10 km · Kamo 11 km · Maki 12 km · Gosen 13 km · Tsubame 14 km · Kameda-honchō 14 km · Yoshida-kasugachō 15 km · Muramatsu 15 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 Shirone (37.7635°, 139.022°, elevation -1 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).