Yamagata weather in June

In June, Yamagata sees average daytime highs of 22°C and overnight lows near 15°C, with 119 mm of rain across 12.5 wet days and about 14.6 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 14% 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 36 min by month's end. Set against the rest of the year, June is Yamagata's 10th-clearest and 9th-windiest month. For the whole year in context, see Yamagata's year-round climate.

Daytime high
22°
4th warmest
Overnight low
15°
9th coldest
Rainfall
119 mm
12.5 wet days
Daylight
14 h 36 min
4:19 AM – 6:58 PM
Cloud cover
75%
10th clearest
Wind
6 km/h
9th windiest
Solar energy
4.82 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 23°C by the end.

A typical June day in Yamagata 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 26°C. Set against its neighbours, June runs about 4°C warmer than May and about 3°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12112
22112
32112
42113
52213
62213
72213
82213
92213
102214
112214
122214
132214
142214
152214
162215
172215
182215
192315
202315
212315
222316
232316
242316
252316
262316
272316
282317
292417
302417

How June really feels in Yamagata

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.

Yamagata weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°12621.723.19.60.0
Feb / -5°9017.918.210.50.0
Mar / -2°10916.912.211.70.5
Apr13° / 9413.72.7133.3
May19° / 91120145.6
Jun22° / 15°11912.5014.66.0
Jul26° / 19°18917.4014.45.4
Aug27° / 20°14714.8013.55.6
Sep23° / 16°12613012.35.9
Oct17° / 11812.40115.0
Nov11° / 9515.34.19.92.2
Dec / -2°1202016.39.40.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 74%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23565
33565
43565
53367
63367
73268
83169
93070
103070
112872
122773
132773
142575
152575
162476
172377
182278
192278
202179
212179
222179
232080
242080
252080
262080
271882
281882
291882
301882

Chance of precipitation in June

Any precipitation

Yamagata gets around 119 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 42% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
133
233
333
433
534
634
735
835
936
1037
1138
1239
1340
1441
1542
1643
1743
1844
1945
2046
2147
2248
2349
2450
2551
2651
2752
2853
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 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
16630400
26332500
36133600
45835700
55437810
65238910
749401010
846411210
943421310
1040431520
1137441720
1234442020
1331442230
1429442430
1526442730
1624432940
1722423150
1820413360
1919403570
2017383780
2116373890
22143540110
23133441130
24113242150
25103042171
2692843191
2782743211
2872543231
2962443251
3052343282

Wind in June

Winds average 6 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
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
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 36 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 4:22 AM to 4:23 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)
114.54:226:50
214.54:226:50
314.54:226:51
414.54:216:52
514.54:216:52
614.54:216:53
714.64:206:54
814.64:206:54
914.64:206:55
1014.64:206:55
1114.64:206:56
1214.64:206:56
1314.64:206:57
1414.64:196:57
1514.64:196:58
1614.64:196:58
1714.64:206:58
1814.74:206:59
1914.74:206:59
2014.74:206:59
2114.74:207:00
2214.74:207:00
2314.74:207:00
2414.74:217:00
2514.74:217:00
2614.74:217:01
2714.74:217:01
2814.64:227:01
2914.64:227:01
3014.64:237:01

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.82 kWh/m².

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 5.28 kWh/m² in May across the year — June's 4.82 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.1Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.4Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
Planning a trip in June

Hazard calendar for Yamagata

In seasonPeak

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

Yamagata 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 Yamagata?

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
4.3
Beach & pool
4th-best month of the year

June is a reasonable time to visit Yamagata for sightseeing.

What to pack for Yamagata in June

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

In June, Yamagata 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 Yamagata in June

The nearest coast averages about 18°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 67 km away) is warmest in August at about 24°C and coldest in March near 9°C.

It's comfortable for a long swim from Jul 7 to Oct 10 — about 3.2 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb9Bracing
Mar9Bracing
Apr10Bracing
May14Bracing
Jun18Cool
Jul21Refreshing
Aug24Refreshing
Sep23Refreshing
Oct19Cool
Nov17Cool
Dec14Bracing

UV index in Yamagata 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 Yamagata 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 Yamagata 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 Yamagata 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 Yamagata?

Yamagata sits at 38.2°N, 140.4°E, 321 m above sea level, in Japan. The nearest listed city is Kaminoyama, 12 km away.

Topography around Yamagata

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

Within 3 km, the terrain around Yamagata has large variations in elevation — a maximum elevation change of 600 m around an average of 312 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,754 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,110 m.

The land around Yamagata is covered by trees (65%) and artificial surfaces (32%) within 3 km, trees (73%) within 16 km, and trees (75%) within 80 km.

3 km
600 m
16 km
1,754 m
80 km
2,110 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Kaminoyama 12 km · Tendō 13 km · Sagae 18 km · Yachi 22 km · Higashine 23 km · Murayama 27 km · Takahata 30 km · Nanyō 31 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 Yamagata (38.2333°, 140.3667°, elevation 321 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).