Yachi weather in June

In June, Yachi sees average daytime highs of 22°C and overnight lows near 15°C, with 120 mm of rain across 12.5 wet days and about 14.6 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 15% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 14 h 30 min at the start of June to 14 h 42 min by month's end. Set against the rest of the year, June is Yachi's 8th-clearest and 9th-windiest month. For the whole year in context, see Yachi's year-round climate.

Daytime high
22°
4th warmest
Overnight low
15°
9th coldest
Rainfall
120 mm
12.5 wet days
Daylight
14 h 42 min
4:19 AM – 6:59 PM
Cloud cover
74%
8th clearest
Wind
7 km/h
9th windiest
Solar energy
4.88 kWh/m²
Travel score
6.0
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical June day in Yachi reaches about 22°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, June runs about 3°C warmer than May and about 3°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12112
22113
32213
42213
52213
62213
72213
82214
92214
102214
112214
122214
132214
142215
152215
162215
172315
182315
192315
202315
212316
222316
232316
242316
252316
262316
272317
282417
292417
302417

How June really feels in Yachi

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.

Yachi weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°13522.623.99.60.0
Feb / -4°9618.618.710.50.0
Mar / -1°11417.712.611.70.5
Apr13° / 9813.72.6133.3
May19° / 10°9912.3014.15.6
Jun22° / 15°12012.5014.66.0
Jul26° / 19°19317.1014.45.4
Aug27° / 20°15115.1013.55.6
Sep23° / 16°12813.3012.35.9
Oct17° / 12513.60115.0
Nov11° / 10916.949.92.2
Dec / -2°13621.4179.40.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 12% of June, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33763
43664
53565
63565
73565
83466
93367
103268
113268
123169
132971
142872
152773
162773
172674
182575
192476
202476
212377
222377
232278
242179
252080
262080
271981
281981
291981
301981

Chance of precipitation in June

Any precipitation

Yachi gets around 120 mm of rain over 12.5 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 43% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
134
234
334
434
535
636
736
837
938
1038
1139
1240
1341
1442
1543
1644
1744
1845
1945
2046
2146
2247
2348
2449
2550
2650
2751
2852
2953
3054

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the comfortable band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
16332500
26133600
35835700
45636800
55238910
649391110
747401210
844411410
941421620
1037431820
1134432020
1231442230
1329442530
1426442730
1524432940
1622423150
1720423350
1818403560
1916393770
2015383890
21143640100
22123541120
23113341140
24103242161
2593043181
2682843201
2772743231
2862543251
2962442272
3052242292

Wind in June

Winds average 7 km/h in June.

Across June, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 30 min at the start of June to 14 h 42 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 4:22 AM to 4:22 AM, and sunset from 6:50 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:226:50
214.54:226:51
314.54:216:52
414.54:216:53
514.54:216:53
614.64:206:54
714.64:206:54
814.64:206:55
914.64:206:56
1014.64:206:56
1114.64:196:57
1214.64:196:57
1314.64:196:58
1414.64:196:58
1514.74:196:58
1614.74:196:59
1714.74:196:59
1814.74:197:00
1914.74:197:00
2014.74:197:00
2114.74:207:00
2214.74:207:01
2314.74:207:01
2414.74:207:01
2514.74:217:01
2614.74:217:01
2714.74:217:01
2814.74:217:02
2914.74:227:02
3014.74:227:02

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.88 kWh/m².

For context, solar energy here swings from a low near 1.76 kWh/m² to a high of 5.26 kWh/m² in May across the year — June's 4.88 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.1Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
Planning a trip in June

Hazard calendar for Yachi

In seasonPeak

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

Yachi 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 Yachi?

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

6.0
Sightseeing
1st-best month of the year
4.4
Beach & pool
4th-best month of the year

June is a reasonable time to visit Yachi for sightseeing.

What to pack for Yachi in June

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

In June, Yachi sees daytime highs around 22°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Yachi 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 64 km away) is warmest in August at about 26°C and coldest in March near 9°C.

It's comfortable for a long swim from Jun 24 to Oct 27 — about 4.1 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar9Bracing
Apr10Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct21Refreshing
Nov18Cool
Dec15Bracing

UV index in Yachi in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yachi peaks around August 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 15UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Yachi 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 Yachi is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun16Moderate
Jul14Moderate
Aug12Moderate
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Yachi?

Yachi sits at 38.4°N, 140.3°E, 89 m above sea level, in Japan. The nearest listed city is Sagae, 6.0 km away.

Topography around Yachi

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

Within 3 km, the terrain around Yachi has only modest variations in elevation — a maximum elevation change of 243 m around an average of 102 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,393 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,209 m.

The land around Yachi is covered by cropland (51%), trees (21%) and artificial surfaces (21%) within 3 km, trees (63%) and cropland (22%) within 16 km, and trees (73%) within 80 km.

3 km
243 m
16 km
1,393 m
80 km
2,209 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Sagae 6.0 km · Higashine 8.0 km · Tendō 9.0 km · Murayama 11 km · Yamagata 22 km · Obanazawa 22 km · Kaminoyama 30 km · Shinjō 37 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 Yachi (38.4219°, 140.3083°, elevation 89 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).