Hiratachō weather in August

In August, Hiratachō sees average daytime highs of 27°C and overnight lows near 25°C, with 132 mm of rain across 11.7 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 34% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Hiratachō's 3rd-clearest and 11th-windiest month. For the whole year in context, see Hiratachō's year-round climate.

Daytime high
27°
1st warmest
Overnight low
25°
12th coldest
Rainfall
132 mm
11.7 wet days
Daylight
13 h 18 min
5:32 AM – 6:53 PM
Cloud cover
58%
3rd clearest
Wind
17 km/h
11th windiest
Solar energy
5.3 kWh/m²
Travel score
6.2
out of 10

Hiratachō is human settlement in Japan.

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 27°C through the month.

A typical August day in Hiratachō reaches about 27°C in the afternoon and slips back to 25°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, August runs about 2°C warmer than July and about 3°C warmer than September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162825
172825
182825
192825
202725
212725
222725
232725
242725
252725
262725
272725
282725
292725
302724
312724

Hiratachō weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 15720.659.91.1
Feb / 11916.43.910.71.2
Mar11° / 12914.61.111.72.4
Apr15° / 11°10710.2012.94.4
May19° / 16°1219.8013.86.0
Jun22° / 20°15511.1014.36.2
Jul26° / 24°19713.3014.16.1
Aug27° / 25°13211.7013.36.2
Sep25° / 22°17812.9012.26.3
Oct20° / 17°10811011.16.2
Nov16° / 13°11213.7010.14.4
Dec11° / 161202.89.72.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55248
65248
75248
85149
95149
105050
115050
125050
134852
144852
154753
164852
174852
184852
194852
204852
214852
224852
234753
244753
254753
264753
274654
284555
294555
304555
314555

Chance of precipitation in August

Any precipitation

Hiratachō gets around 132 mm of rain over 11.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
432
532
632
733
834
935
1036
1137
1238
1338
1439
1540
1641
1741
1842
1942
2042
2142
2242
2342
2442
2542
2642
2742
2842
2942
3043
3143

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10175141
20175042
30174943
40174844
50174745
60174646
70184546
80184546
90184546
100184546
110194545
120194644
1301104643
1401104741
1501114740
1601124838
1701134837
1811144935
1912154933
2012175031
2112185029
2213195027
2313215025
2413225123
2514245021
2614255020
2715274918
2816284917
2916294815
3017304814
3118324713

Wind in August

Winds average 17 km/h in August.

Across August, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 48 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:21 AM to 5:44 AM, and sunset from 7:09 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:217:09
213.85:217:08
313.85:227:07
413.75:237:06
513.75:247:05
613.75:247:04
713.65:257:03
813.65:267:02
913.65:277:01
1013.55:287:00
1113.55:286:59
1213.55:296:58
1313.45:306:57
1413.45:316:56
1513.45:326:54
1613.35:326:53
1713.35:336:52
1813.35:346:51
1913.25:356:50
2013.25:366:48
2113.25:366:47
2213.15:376:46
2313.15:386:44
2413.15:396:43
2513.05:396:42
2613.05:406:40
2713.05:416:39
2812.95:426:38
2912.95:436:36
3012.95:436:35
3112.85:446:33

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.3 kWh/m².

For context, solar energy here swings from a low near 2.02 kWh/m² to a high of 5.83 kWh/m² in May across the year — August's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
235.1Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in August

Hazard calendar for Hiratachō

In seasonPeak

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

Hiratachō 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 Hiratachō?

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

6.2
Sightseeing
2nd-best month of the year
6.4
Beach & pool
1st-best month of the year

August is a reasonable time to visit Hiratachō for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hiratachō in August

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

In August, Hiratachō sees daytime highs around 27°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Hiratachō in August

The nearest coast averages about 27°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 19 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 12 to Nov 15 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Warm
Aug27Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Hiratachō in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hiratachō peaks around July 19 at about 10 (extreme) — 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 highVery highModerateJul 19UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Hiratachō 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 Hiratachō is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1222 µg/m³Oct 1310 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb16Moderate
Mar21Moderate
Apr22Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct10Good
Nov12Good
Dec11Good
Location & terrain

Where is Hiratachō?

Hiratachō sits at 35.4°N, 132.8°E, -1 m above sea level, in Japan. The nearest listed city is Izumo, 9.0 km away.

Topography around Hiratachō

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

Within 3 km, the terrain around Hiratachō has significant variations in elevation — a maximum elevation change of 402 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 527 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,689 m.

The land around Hiratachō is covered by cropland (39%) and trees (31%) within 3 km, trees (42%) and water (38%) within 16 km, and trees (48%) and water (48%) within 80 km.

3 km
402 m
16 km
527 m
80 km
1,689 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Izumo 9.0 km · Matsue 22 km · Unnan 22 km · Yasugichō 39 km · Ōdachō-ōda 39 km · Sakaiminato 39 km · Yonago 47 km · Mikuriya 62 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 Hiratachō (35.4333°, 132.8167°, elevation -1 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).