Yorii weather in June

In June, Yorii sees average daytime highs of 24°C and overnight lows near 18°C, with 199 mm of rain across 18.1 wet days and about 14.4 hours of daylight. It is the 4th-warmest and 4th-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 10% 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 Yorii's 12th-clearest and 9th-windiest month. For the whole year in context, see Yorii's year-round climate.

Daytime high
24°
4th warmest
Overnight low
18°
9th coldest
Rainfall
199 mm
18.1 wet days
Daylight
14 h 24 min
4:30 AM – 6:57 PM
Cloud cover
81%
12th clearest
Wind
6 km/h
9th windiest
Solar energy
4.35 kWh/m²
Travel score
5.2
out of 10

Yorii is town in Ōsato district, Saitama prefecture, Japan.

Density
511/km²
people per km²
Founded
1955

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 23°C in the first days to 26°C by the end.

A typical June day in Yorii reaches about 24°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 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)
12315
22316
32316
42316
52316
62316
72416
82416
92417
102417
112417
122417
132417
142417
152418
162418
172418
182418
192518
202518
212518
222519
232519
242519
252519
262519
272619
282619
292620
302620

How June really feels in Yorii

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.

Yorii 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 / -1°626.73.79.81.2
Feb / -1°597.64.110.61.6
Mar12° / 111134.511.72.9
Apr17° / 12312.80.912.95.0
May22° / 13°14814.4013.95.8
Jun24° / 18°19918.1014.45.2
Jul28° / 22°22220.8014.24.4
Aug29° / 23°18019.7013.44.2
Sep25° / 19°22317.3012.25.4
Oct20° / 13°21714.5011.15.6
Nov15° / 819.20.210.14.6
Dec10° / 547.21.39.62.5

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12971
22971
32773
42674
52674
62674
72476
82476
92377
102278
112179
122080
131981
141981
151783
161684
171684
181585
191585
201585
211585
221585
231585
241585
251585
261585
271684
281684
291783
301783

Chance of precipitation in June

Any precipitation

Yorii gets around 199 mm of rain over 18.1 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 61% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
149
249
350
451
552
653
754
855
956
1058
1159
1260
1362
1463
1565
1666
1766
1867
1967
2067
2167
2267
2367
2467
2567
2668
2768
2868
2968
3068

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
132422430
229422540
327422740
425422850
522423060
620413270
718413380
816403590
9143936100
10133738120
11113639140
1293440161
1383241181
1473042201
1562842221
1652643242
1752443262
1842343283
1932142304
2031942325
2131741336
2221640357
2321439378
24213383810
25111364011
26110354113
2719344215
2818324217
2917314318
3016304320

Wind in June

Winds average 6 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
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
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 4:33 AM, and sunset from 6:49 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:336:49
214.34:326:49
314.34:326:50
414.34:326:51
514.34:316:51
614.34:316:52
714.44:316:52
814.44:316:53
914.44:316:54
1014.44:306:54
1114.44:306:55
1214.44:306:55
1314.44:306:55
1414.44:306:56
1514.44:306:56
1614.44:306:57
1714.44:306:57
1814.54:306:57
1914.54:306:58
2014.54:316:58
2114.54:316:58
2214.54:316:58
2314.54:316:59
2414.54:316:59
2514.54:326:59
2614.54:326:59
2714.54:326:59
2814.44:336:59
2914.44:336:59
3014.44:336:59

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.35 kWh/m².

For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 5.08 kWh/m² in May across the year — June's 4.35 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.6Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.3Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.2Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.0Bright
304.1Bright
Planning a trip in June

Hazard calendar for Yorii

In seasonPeak

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

Yorii'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 Yorii?

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

5.2
Sightseeing
4th-best month of the year
4.5
Beach & pool
4th-best month of the year

June is a reasonable time to visit Yorii for sightseeing.

What to pack for Yorii in June

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

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

rain gearlight clothes

UV index in Yorii 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 Yorii peaks around July 15 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 15UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Yorii 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 Yorii is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1426 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Yorii?

Yorii sits at 36.1°N, 139.2°E, 102 m above sea level, in Japan. The nearest listed city is Ogawamachi, 9.0 km away.

Topography around Yorii

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

Within 3 km, the terrain around Yorii has significant variations in elevation — a maximum elevation change of 298 m around an average of 139 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 955 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,855 m.

The land around Yorii is covered by trees (55%) and artificial surfaces (27%) within 3 km, trees (54%) and artificial surfaces (23%) within 16 km, and trees (60%) and artificial surfaces (23%) within 80 km.

3 km
298 m
16 km
955 m
80 km
2,855 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Ogawamachi 9.0 km · Kodamachō-kodamaminami 10 km · Fukayachō 12 km · Ranzan 13 km · Honjō 14 km · Ishigami 15 km · Yamata 16 km · Chichibu 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 Yorii (36.1157°, 139.1943°, elevation 102 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).