Kuroishi weather in July

In July, Kuroishi sees average daytime highs of 25°C and overnight lows near 19°C, with 149 mm of rain across 14.8 wet days and about 14.6 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 15% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 54 min at the start of July to 14 h 12 min by month's end. Set against the rest of the year, July is Kuroishi's 12th-clearest and 10th-windiest month. For the whole year in context, see Kuroishi's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
19°
11th coldest
Rainfall
149 mm
14.8 wet days
Daylight
14 h 36 min
4:24 AM – 7:03 PM
Cloud cover
75%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
4.66 kWh/m²
Travel score
5.9
out of 10

Kuroishi is city in Aomori Prefecture, Japan.

Density
178/km²
people per km²
Founded
1954

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 27°C by the end.

A typical July day in Kuroishi reaches about 25°C in the afternoon and slips back to 19°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°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)
12317
22417
32417
42417
52417
62417
72418
82418
92418
102418
112418
122518
132518
142518
152519
162519
172519
182519
192519
202619
212619
222620
232620
242620
252620
262620
272720
282720
292720
302720
312721

How July really feels in Kuroishi

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.

Kuroishi weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°7415.920.49.40.0
Feb / -4°7114.717.110.40.0
Mar / -2°8915.411.811.70.3
Apr12° / 8713.32.313.13.1
May18° / 9812.5014.25.4
Jun22° / 14°9811.8014.96.1
Jul25° / 19°14914.8014.65.9
Aug27° / 20°16915.2013.65.7
Sep23° / 16°14813.3012.36.0
Oct17° / 11913.50.110.94.8
Nov / 10215.54.89.71.8
Dec / -2°9717.316.89.10.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% 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 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52476
62476
72476
82476
92575
102575
112476
122476
132476
142476
152476
162575
172674
182674
192674
202773
212773
222773
232773
242872
252971
262971
273070
283070
293169
303268
313268

Chance of precipitation in July

Any precipitation

Kuroishi gets around 149 mm of rain over 14.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 47% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
246
346
447
547
648
748
848
948
1048
1148
1247
1347
1447
1547
1647
1747
1847
1947
2047
2147
2247
2347
2446
2546
2646
2746
2845
2945
3045
3145

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 51% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
182943182
272844192
362744212
452643233
542543253
632442264
732342284
832241305
922240315
1022139336
1122037356
1221936367
1321835378
1421734389
15216333910
16115324012
17114304114
18113294215
19112274217
20111264319
21110254322
2219234324
2319224226
2418214228
2517214130
2617204033
2716193935
2816183936
2916173838
3016173740
3116163741

Wind in July

Winds average 8 km/h in July.

Across July, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 54 min at the start of July to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:15 AM to 4:37 AM, and sunset from 7:07 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:157:07
214.94:157:07
314.94:167:07
414.84:167:07
514.84:177:07
614.84:177:07
714.84:187:06
814.84:187:06
914.84:197:06
1014.84:207:05
1114.74:207:05
1214.74:217:05
1314.74:227:04
1414.74:237:04
1514.74:237:03
1614.64:247:03
1714.64:257:02
1814.64:267:01
1914.64:267:01
2014.54:277:00
2114.54:286:59
2214.54:296:59
2314.54:306:58
2414.44:316:57
2514.44:326:56
2614.44:326:55
2714.34:336:54
2814.34:346:53
2914.34:356:52
3014.34:366:51
3114.24:376:50

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.66 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 5.49 kWh/m² in May across the year — July's 4.66 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in July

Hazard calendar for Kuroishi

In seasonPeak

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

Kuroishi 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 Kuroishi?

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

5.9
Sightseeing
3rd-best month of the year
5.4
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Kuroishi for sightseeing.

What to pack for Kuroishi in July

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

In July, Kuroishi sees daytime highs around 25°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

Sea temperature near Kuroishi in July

The nearest coast averages about 19°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 35 km away) is warmest in August at about 23°C and coldest in March near 8°C.

It's comfortable for a long swim from Jul 24 to Oct 7 — about 2.5 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar8Bracing
Apr8Bracing
May11Bracing
Jun15Cool
Jul19Cool
Aug23Refreshing
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Kuroishi in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kuroishi peaks around August 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 8Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr6High
May8Very high
Jun8Very high
Jul5Moderate
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Kuroishi 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 Kuroishi is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1620 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb13Moderate
Mar18Moderate
Apr20Moderate
May18Moderate
Jun13Moderate
Jul12Good
Aug10Good
Sep10Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Kuroishi?

Kuroishi sits at 40.6°N, 140.6°E, 45 m above sea level, in Japan. The nearest listed city is Hirakawa, 7.0 km away.

Topography around Kuroishi

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

Within 3 km, the terrain around Kuroishi has only modest variations in elevation — a maximum elevation change of 63 m around an average of 38 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 824 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,614 m.

The land around Kuroishi is covered by cropland (54%) and artificial surfaces (30%) within 3 km, trees (59%) and cropland (26%) within 16 km, and trees (56%) and water (34%) within 80 km.

3 km
63 m
16 km
824 m
80 km
1,614 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Hirakawa 7.0 km · Namioka 7.0 km · Hirosaki 11 km · Goshogawara 21 km · Aomori 23 km · Tsugaru 23 km · Shimokizukuri 26 km · Ōdate 42 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 Kuroishi (40.6458°, 140.5835°, elevation 45 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).