Hitoyoshi weather in August

In August, Hitoyoshi sees average daytime highs of 30°C and overnight lows near 23°C, with 179 mm of rain across 18 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 21% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 36 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Hitoyoshi's 9th-clearest and 8th-windiest month. For the whole year in context, see Hitoyoshi's year-round climate.

Daytime high
30°
1st warmest
Overnight low
23°
12th coldest
Rainfall
179 mm
18 wet days
Daylight
13 h 12 min
5:45 AM – 6:57 PM
Cloud cover
66%
9th clearest
Wind
7 km/h
8th windiest
Solar energy
4.77 kWh/m²
Travel score
4.2
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Hitoyoshi reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, August runs about 1°C warmer than July and about 3°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

How August really feels in Hitoyoshi

Once humidity and wind are folded in, August averages 22 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
22
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Hitoyoshi weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 819.72.310.11.7
Feb10° / 104101.610.82.3
Mar14° / 15213.50.411.83.8
Apr19° / 17812.3012.85.5
May23° / 14°20212.6013.66.2
Jun25° / 18°49719.6014.15.0
Jul28° / 22°36320.5013.94.2
Aug30° / 23°17918013.24.2
Sep27° / 19°18514.4012.25.7
Oct22° / 13°1109.2011.27.0
Nov17° / 1028.6010.35.6
Dec11° / 8590.99.92.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44159
54159
64159
74060
84060
94060
104060
113961
123961
133961
143862
153862
163961
173961
184060
194258
204159
214159
224258
234258
244258
254258
264258
274159
284159
293961
303961
313961

Chance of precipitation in August

Any precipitation

Hitoyoshi gets around 179 mm of rain over 18 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 58% and peaks near 59% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
159
259
359
458
558
658
757
857
957
1057
1157
1257
1357
1457
1558
1658
1758
1858
1958
2058
2158
2258
2358
2459
2559
2659
2759
2859
2958
3058
3158

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 70% 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 (%)
10017803
20017803
30017803
40017803
50017803
60017803
70018793
80018793
90019783
100020773
110020773
120021763
130121753
140122743
150123733
160123733
170124723
180225703
190226702
200227692
210328672
220328672
230429652
240530641
250531631
260632611
270633601
280735571
291836541
301937521
311938511

Wind in August

Winds average 7 km/h in August.

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 13 h 36 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:35 AM to 5:55 AM, and sunset from 7:11 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:357:11
213.65:367:10
313.55:367:09
413.55:377:09
513.55:387:08
613.55:397:07
713.45:397:06
813.45:407:05
913.45:417:04
1013.45:417:03
1113.35:427:02
1213.35:437:01
1313.35:437:00
1413.35:446:59
1513.25:456:58
1613.25:456:57
1713.25:466:56
1813.15:476:55
1913.15:476:54
2013.15:486:52
2113.05:496:51
2213.05:496:50
2313.05:506:49
2412.95:516:48
2512.95:516:46
2612.95:526:45
2712.95:536:44
2812.85:536:43
2912.85:546:41
3012.85:556:40
3112.75:556:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.77 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 5.04 kWh/m² in May across the year — August's 4.77 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in August

Hazard calendar for Hitoyoshi

In seasonPeak

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

Hitoyoshi sits in the Pacific typhoon belt; the season peaks July–October.

Hitoyoshi's rainy season runs June–July, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Hitoyoshi?

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

4.2
Sightseeing
7th-best month of the year
5.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Hitoyoshi for sightseeing.

What to pack for Hitoyoshi in August

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

In August, Hitoyoshi sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Hitoyoshi in August

The nearest coast averages about 28°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 37 km away) is warmest in August at about 28°C and coldest in February near 16°C.

It's comfortable for a long swim from May 16 to Dec 4 — about 6.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar17Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct24Warm
Nov22Refreshing
Dec19Cool

UV index in Hitoyoshi 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 Hitoyoshi peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Hitoyoshi 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 Hitoyoshi is worst in March — around 24 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2424 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar24Moderate
Apr24Moderate
May22Moderate
Jun18Moderate
Jul13Moderate
Aug14Moderate
Sep14Moderate
Oct14Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Hitoyoshi?

Hitoyoshi sits at 32.2°N, 130.8°E, 130 m above sea level, in Japan. The nearest listed city is Ōkuchi-shinohara, 20 km away.

Topography around Hitoyoshi

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

Within 3 km, the terrain around Hitoyoshi has only modest variations in elevation — a maximum elevation change of 194 m around an average of 134 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,122 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,715 m.

The land around Hitoyoshi is covered by trees (48%) and artificial surfaces (26%) within 3 km, trees (87%) within 16 km, and trees (67%) and water (21%) within 80 km.

3 km
194 m
16 km
1,122 m
80 km
1,715 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Ōkuchi-shinohara 20 km · Ebino 21 km · Isa 21 km · Sashiki 25 km · Minamata 33 km · Kobayashi 34 km · Honmachi 35 km · Tsuruda 39 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 Hitoyoshi (32.2167°, 130.75°, elevation 130 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).