Hirosaki weather in August

In August, Hirosaki sees average daytime highs of 26°C and overnight lows near 19°C, with 177 mm of rain across 16.1 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 17% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Hirosaki's 7th-clearest and 12th-windiest month. For the whole year in context, see Hirosaki's year-round climate.

Daytime high
26°
1st warmest
Overnight low
19°
12th coldest
Rainfall
177 mm
16.1 wet days
Daylight
13 h 36 min
4:53 AM – 6:31 PM
Cloud cover
71%
7th clearest
Wind
7 km/h
12th windiest
Solar energy
4.42 kWh/m²
Travel score
5.6
out of 10

Hirosaki is city in Tōhoku, Aomori, Japan.

Density
322/km²
people per km²
Founded
1889

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical August day in Hirosaki 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 22°C and 30°C. Set against its neighbours, August runs about 1°C warmer than July and about 4°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82720
92720
102720
112720
122620
132619
142619
152619
162619
172619
182619
192619
202619
212619
222619
232619
242618
252618
262518
272518
282518
292518
302518
312518

How August really feels in Hirosaki

Once humidity and wind are folded in, August 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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Hirosaki weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -6°8216.921.69.40.0
Feb / -6°8015.517.910.40.0
Mar / -3°10116.813.811.70.2
Apr12° / 9813.73.4132.8
May18° / 10413.10.114.25.2
Jun22° / 14°10913.1014.85.8
Jul25° / 18°16316.4014.65.6
Aug26° / 19°17716.1013.65.6
Sep22° / 14°15414.2012.35.8
Oct16° / 12913.80.110.94.5
Nov / 11216.369.71.5
Dec / -4°1061818.29.20.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33268
43367
53268
63367
73268
83268
93268
103268
113367
123268
133268
143169
153169
163169
173169
183268
193367
203367
213367
223268
233268
243268
253070
263169
273169
283070
293169
303169
313070

Chance of precipitation in August

Any precipitation

Hirosaki gets around 177 mm of rain over 16.1 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 52% and peaks near 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
148
248
348
448
548
649
749
849
949
1050
1150
1251
1351
1452
1552
1652
1753
1853
1953
2053
2154
2254
2354
2454
2554
2654
2754
2854
2954
3054
3153

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
116164334
216164234
316174235
416174135
516174135
616184134
716184134
816194133
916194132
1016204132
1117204231
1217214230
1317214229
1417224229
1517224228
1627224227
1727234226
1828234125
1928244125
2039244024
2139254023
22310253922
23310263921
24311273920
25312273819
26312293818
27413293717
28414303616
29415313515
30416333414
31417343313

Wind in August

Winds average 7 km/h in August, the calmest month.

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

0246810151015202531
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
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 4:39 AM to 5:08 AM, and sunset from 6:50 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:396:50
214.24:406:49
314.14:416:48
414.14:416:46
514.04:426:45
614.04:436:44
714.04:446:43
813.94:456:42
913.94:466:40
1013.94:476:39
1113.84:486:38
1213.84:496:37
1313.74:506:35
1413.74:516:34
1513.74:526:32
1613.64:536:31
1713.64:546:30
1813.54:556:28
1913.54:566:27
2013.54:576:25
2113.44:586:24
2213.44:596:22
2313.35:006:21
2413.35:016:19
2513.35:026:18
2613.25:036:16
2713.25:046:14
2813.15:056:13
2913.15:066:11
3013.05:076:09
3113.05:086:08

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.42 kWh/m².

For context, solar energy here swings from a low near 1.7 kWh/m² to a high of 5.42 kWh/m² in May across the year — August's 4.42 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in August

Hazard calendar for Hirosaki

In seasonPeak

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

Hirosaki 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 August a good time to visit Hirosaki?

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

5.6
Sightseeing
3rd-best month of the year
5.4
Beach & pool
1st-best month of the year

August is a reasonable time to visit Hirosaki for sightseeing.

What to pack for Hirosaki in August

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

In August, Hirosaki sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

Sea temperature near Hirosaki in August

The nearest coast averages about 24°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 43 km away) is warmest in August at about 24°C and coldest in March near 8°C.

It's comfortable for a long swim from Jul 10 to Oct 16 — about 3.3 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb9Bracing
Mar8Bracing
Apr9Bracing
May12Bracing
Jun17Cool
Jul21Refreshing
Aug24Warm
Sep24Refreshing
Oct20Refreshing
Nov16Cool
Dec13Bracing

UV index in Hirosaki in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Hirosaki peaks around August 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 8Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May8Very high
Jun8Very high
Jul5Moderate
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Hirosaki in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Hirosaki 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 Hirosaki?

Hirosaki sits at 40.6°N, 140.5°E, 45 m above sea level, in Japan. The nearest listed city is Hirakawa, 8.0 km away.

Topography around Hirosaki

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

Within 3 km, the terrain around Hirosaki has only modest variations in elevation — a maximum elevation change of 94 m around an average of 50 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,601 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,616 m.

The land around Hirosaki is covered by artificial surfaces (70%) within 3 km, trees (62%) and cropland (24%) within 16 km, and trees (56%) and water (34%) within 80 km.

3 km
94 m
16 km
1,601 m
80 km
1,616 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Hirakawa 8.0 km · Kuroishi 11 km · Namioka 16 km · Goshogawara 24 km · Tsugaru 24 km · Shimokizukuri 26 km · Aomori 33 km · Ōdate 36 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 Hirosaki (40.5931°, 140.4725°, 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).