Yoshii weather in June

In June, Yoshii sees average daytime highs of 24°C and overnight lows near 17°C, with 239 mm of rain across 20.7 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 23°C in the first days to 25°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 18 min at the start of June to 14 h 24 min by month's end. Set against the rest of the year, June is Yoshii's 12th-clearest and 9th-windiest month. For the whole year in context, see Yoshii's year-round climate.

Daytime high
24°
4th warmest
Overnight low
17°
9th coldest
Rainfall
239 mm
20.7 wet days
Daylight
14 h 30 min
4:31 AM – 6:58 PM
Cloud cover
79%
12th clearest
Wind
5 km/h
9th windiest
Solar energy
4.6 kWh/m²
Travel score
4.9
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 25°C by the end.

A typical June day in Yoshii reaches about 24°C in the afternoon and slips back to 17°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, June runs about 2°C warmer than May and about 4°C cooler than July.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52316
62316
72316
82316
92316
102316
112317
122317
132417
142417
152417
162417
172417
182418
192418
202418
212418
222418
232518
242519
252519
262519
272519
282519
292519
302619

How June really feels in Yoshii

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.

Yoshii 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 / -1°688.53.89.81.4
Feb / -0°719.64.110.61.6
Mar12° / 13114.43.311.73.0
Apr17° / 14814.70.412.94.9
May22° / 13°17816013.95.6
Jun24° / 17°23920.7014.44.9
Jul28° / 21°28823.2014.24.2
Aug29° / 22°22522.1013.44.1
Sep25° / 18°25719.8012.25.1
Oct20° / 12°22516.9011.15.3
Nov15° / 859.90.110.14.6
Dec10° / 618.31.19.62.6

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 11% 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 (%)
13169
23070
33070
42971
52872
62872
72773
82773
92674
102575
112575
122377
132377
142278
152080
162080
172080
181981
191981
201981
211981
221882
231882
241783
251783
261783
271783
281783
291783
301882

Chance of precipitation in June

Any precipitation

Yoshii gets around 239 mm of rain over 20.7 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 70% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
155
256
357
458
560
661
762
863
965
1066
1167
1269
1370
1471
1572
1673
1774
1874
1975
2075
2175
2276
2376
2476
2577
2677
2778
2878
2978
3078

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
139401920
237402120
334402320
432412530
529412640
627402840
724403050
822403260
919393480
1017393590
11143837100
12123739121
13103540141
1493441161
1573242181
1663143201
1752943211
1842743232
1942643252
2032443273
2132242294
2222042315
2321841336
2421640357
2521539378
2611337399
27112364011
28110354212
2919334314
3018324415

Wind in June

Winds average 5 km/h in June.

Across June, daily wind ranges from about 5 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
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 18 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 6 minutes over June. Sunrise moves from 4:33 AM to 4:34 AM, and sunset from 6:50 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:336:50
214.34:336:51
314.34:326:51
414.34:326:52
514.34:326:53
614.44:326:53
714.44:316:54
814.44:316:54
914.44:316:55
1014.44:316:55
1114.44:316:56
1214.44:316:56
1314.44:316:57
1414.44:316:57
1514.44:316:58
1614.54:316:58
1714.54:316:58
1814.54:316:59
1914.54:316:59
2014.54:316:59
2114.54:316:59
2214.54:317:00
2314.54:327:00
2414.54:327:00
2514.54:327:00
2614.54:327:00
2714.54:337:00
2814.54:337:01
2914.54:337:01
3014.44:347:01

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.6 kWh/m².

For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 5.31 kWh/m² in May across the year — June's 4.6 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in June

Hazard calendar for Yoshii

In seasonPeak

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

Yoshii's rainy season runs March–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Yoshii?

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

4.9
Sightseeing
4th-best month of the year
4.1
Beach & pool
4th-best month of the year

June is a reasonable time to visit Yoshii for sightseeing.

What to pack for Yoshii in June

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

In June, Yoshii sees daytime highs around 24°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 21 days see rain.

rain gearlight clothessun protection

UV index in Yoshii 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 Yoshii peaks around July 18 at about 10 (very high) — 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 highModerateJul 18UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Yoshii 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 Yoshii is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct12Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Yoshii?

Yoshii sits at 36.3°N, 139.0°E, 125 m above sea level, in Japan. The nearest listed city is Tomioka, 8.0 km away.

Topography around Yoshii

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

Within 3 km, the terrain around Yoshii has significant variations in elevation — a maximum elevation change of 347 m around an average of 152 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,341 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,855 m.

The land around Yoshii is covered by trees (42%), artificial surfaces (27%) and cropland (20%) within 3 km, trees (50%) and artificial surfaces (28%) within 16 km, and trees (71%) within 80 km.

3 km
347 m
16 km
1,341 m
80 km
2,855 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Tomioka 8.0 km · Fujioka 8.0 km · Takasaki 10 km · Annaka 12 km · Tamamura 13 km · Ishigami 15 km · Kodamachō-kodamaminami 15 km · Kanekomachi 18 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 Yoshii (36.25°, 138.9833°, elevation 125 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. 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).