Aizu-Wakamatsu weather in June

In June, Aizu-Wakamatsu sees average daytime highs of 23°C and overnight lows near 15°C, with 117 mm of rain across 12.5 wet days and about 14.5 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 12% of the time in June, and the air most often feels comfortable.

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 Aizu-Wakamatsu's 11th-clearest and 10th-windiest month. For the whole year in context, see Aizu-Wakamatsu's year-round climate.

Daytime high
23°
4th warmest
Overnight low
15°
9th coldest
Rainfall
117 mm
12.5 wet days
Daylight
14 h 36 min
4:23 AM – 6:58 PM
Cloud cover
77%
11th clearest
Wind
7 km/h
10th windiest
Solar energy
4.84 kWh/m²
Travel score
6.0
out of 10

Aizu-Wakamatsu is city in Fukushima prefecture, Japan.

Density
309/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 22°C in the first days to 24°C by the end.

A typical June day in Aizu-Wakamatsu reaches about 23°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 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
32212
42213
52213
62213
72213
82213
92213
102214
112214
122214
132214
142214
152314
162315
172315
182315
192315
202315
212315
222316
232316
242316
252416
262416
272417
282417
292417
302417

How June really feels in Aizu-Wakamatsu

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.

Aizu-Wakamatsu weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°10018.919.89.70.0
Feb / -4°7315.315.410.60.0
Mar / -1°10115.610.611.70.7
Apr13° / 9512.82.412.93.5
May19° / 9511.80145.8
Jun23° / 15°11712.5014.56.0
Jul26° / 19°18017014.35.4
Aug27° / 20°13213.9013.45.7
Sep23° / 16°14413012.36.0
Oct17° / 10°12511.70115.1
Nov11° / 8213.22.6102.5
Dec / -1°9318.113.59.50.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33367
43268
53169
63070
73070
82971
92872
102773
112575
122575
132476
142377
152278
162278
172278
182179
192080
202080
212080
222080
232080
241981
251882
261882
271882
281882
292080
302080

Chance of precipitation in June

Any precipitation

Aizu-Wakamatsu gets around 117 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 56% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
131
231
332
432
533
633
734
835
936
1037
1138
1239
1340
1441
1542
1643
1744
1845
1946
2047
2147
2248
2349
2450
2551
2652
2753
2854
2955
3056

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 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
16927400
26729400
36431500
46232600
55934700
65536810
75238910
849391010
946411210
1043421410
1140431610
1237441820
1334442020
1431452220
1528452530
1626442730
1723432940
1821423240
1919413450
2017403670
2116383880
22143740100
23123541110
24113342130
2593144150
2683045171
2772845201
2862646221
2952446241
3042246271

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
187calm
197calm
207calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 4:26 AM to 4:26 AM, and sunset from 6:49 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:266:49
214.44:266:50
314.44:256:51
414.44:256:51
514.54:256:52
614.54:246:53
714.54:246:53
814.54:246:54
914.54:246:54
1014.54:246:55
1114.54:246:55
1214.54:236:56
1314.54:236:56
1414.64:236:57
1514.64:236:57
1614.64:236:58
1714.64:236:58
1814.64:236:58
1914.64:246:59
2014.64:246:59
2114.64:246:59
2214.64:246:59
2314.64:247:00
2414.64:247:00
2514.64:257:00
2614.64:257:00
2714.64:257:00
2814.64:267:00
2914.64:267:00
3014.64:267:00

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.84 kWh/m².

For context, solar energy here swings from a low near 2.02 kWh/m² to a high of 5.33 kWh/m² in May across the year — June's 4.84 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
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in June

Hazard calendar for Aizu-Wakamatsu

In seasonPeak

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

Aizu-Wakamatsu 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 Aizu-Wakamatsu?

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 Aizu-Wakamatsu for sightseeing.

What to pack for Aizu-Wakamatsu in June

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

In June, Aizu-Wakamatsu sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Aizu-Wakamatsu 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 Aizu-Wakamatsu peaks around August 12 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 highModerateAug 12UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Low

Air quality in Aizu-Wakamatsu 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 Aizu-Wakamatsu 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 1721 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug12Good
Sep11Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Aizu-Wakamatsu?

Aizu-Wakamatsu sits at 37.5°N, 139.9°E, 238 m above sea level, in Japan. The nearest listed city is Bange, 14 km away.

Topography around Aizu-Wakamatsu

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

Within 3 km, the terrain around Aizu-Wakamatsu has significant variations in elevation — a maximum elevation change of 539 m around an average of 322 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,422 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,125 m.

The land around Aizu-Wakamatsu is covered by trees (49%) and artificial surfaces (45%) within 3 km, trees (53%) and cropland (27%) within 16 km, and trees (85%) within 80 km.

3 km
539 m
16 km
1,422 m
80 km
2,125 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Bange 14 km · Aizu-misato Machi 15 km · Kitakata 19 km · Kōriyama 40 km · Motomiya 40 km · Kumakura 43 km · Nihommatsu 44 km · Sukagawa 45 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 Aizu-Wakamatsu (37.4914°, 139.9455°, elevation 238 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). 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).