Aizu-Wakamatsu weather in July

In July, Aizu-Wakamatsu sees average daytime highs of 26°C and overnight lows near 19°C, with 180 mm of rain across 17 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 28°C by the end. The sky is clear or mostly clear about 11% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 36 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Aizu-Wakamatsu's 12th-clearest and 12th-windiest month. For the whole year in context, see Aizu-Wakamatsu's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
19°
11th coldest
Rainfall
180 mm
17 wet days
Daylight
14 h 24 min
4:35 AM – 6:56 PM
Cloud cover
78%
12th clearest
Wind
6 km/h
12th windiest
Solar energy
4.42 kWh/m²
Travel score
5.4
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 July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 28°C by the end.

A typical July day in Aizu-Wakamatsu reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°C. Set against its neighbours, July runs about 3°C warmer than June and about 1°C cooler than August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12417
22417
32517
42518
52518
62518
72518
82518
92518
102518
112519
122619
132619
142619
152619
162619
172619
182619
192619
202719
212720
222720
232720
242720
252720
262720
272720
282820
292820
302820
312821

How July really feels in Aizu-Wakamatsu

Once humidity and wind are folded in, July 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

July 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 July compares with the rest of the year at a glance. July is the 2nd-warmest and 1st-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
42080
52080
62080
72080
82080
92080
102080
112080
122080
132080
142080
152179
162179
172179
182377
192377
202476
212575
222575
232773
242872
252872
263070
273169
283169
293268
303367
313367

Chance of precipitation in July

Any precipitation

Aizu-Wakamatsu gets around 180 mm of rain over 17 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 54% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
156
257
358
459
560
660
761
861
961
1061
1161
1260
1360
1459
1558
1658
1757
1856
1955
2053
2152
2251
2349
2448
2547
2645
2744
2844
2943
3043
3142

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
132145291
231945312
321844332
421743352
511643373
611542394
711441414
811340425
911239445
1011138456
1111036467
1211035477
131934498
141932509
1518315010
1617305111
1717285212
1816275313
1916255414
2005245516
2105225617
2205215519
2304195620
2404185622
2504175524
2604155625
2704145527
2804135429
2904125331
3003125332
3103115333

Wind in July

Winds average 6 km/h in July, the calmest month.

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

0246810151015202531
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
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 36 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:27 AM to 4:47 AM, and sunset from 7:00 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:277:00
214.54:277:00
314.54:287:00
414.54:287:00
514.54:297:00
614.54:297:00
714.54:307:00
814.54:306:59
914.54:316:59
1014.54:316:59
1114.44:326:58
1214.44:336:58
1314.44:336:58
1414.44:346:57
1514.44:356:57
1614.44:356:56
1714.34:366:56
1814.34:376:55
1914.34:376:55
2014.34:386:54
2114.24:396:54
2214.24:406:53
2314.24:406:52
2414.24:416:51
2514.14:426:51
2614.14:436:50
2714.14:446:49
2814.14:446:48
2914.04:456:48
3014.04:466:47
3114.04:476:46

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.42 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 — July's 4.42 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.4Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in July

Hazard calendar for Aizu-Wakamatsu

In seasonPeak

In July, 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 July a good time to visit Aizu-Wakamatsu?

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

5.4
Sightseeing
5th-best month of the year
5.2
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Aizu-Wakamatsu for sightseeing.

What to pack for Aizu-Wakamatsu in July

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

In July, Aizu-Wakamatsu sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 17 days see rain.

rain gearlight clothes

UV index in Aizu-Wakamatsu in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).