Ōkuchi-shinohara weather in August

In August, Ōkuchi-shinohara sees average daytime highs of 31°C and overnight lows near 24°C, with 184 mm of rain across 17.2 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 24% 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 Ōkuchi-shinohara's 9th-clearest and 10th-windiest month. For the whole year in context, see Ōkuchi-shinohara's year-round climate.

Daytime high
31°
1st warmest
Overnight low
24°
12th coldest
Rainfall
184 mm
17.2 wet days
Daylight
13 h 12 min
5:46 AM – 6:57 PM
Cloud cover
65%
9th clearest
Wind
8 km/h
10th windiest
Solar energy
4.86 kWh/m²
Travel score
3.8
out of 10

Ōkuchi-shinohara 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 31°C through the month.

A typical August day in Ōkuchi-shinohara reaches about 31°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, August runs about 1°C warmer than July and about 2°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163124
173124
183124
193124
203124
213124
223124
233024
243024
253024
263024
273024
283024
293024
303023
313023

How August really feels in Ōkuchi-shinohara

Once humidity and wind are folded in, August averages 31 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
31
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.

Ōkuchi-shinohara 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
Jan11° / 829.80.810.12.6
Feb12° / 1069.60.410.83.1
Mar15° / 15113.20.111.84.3
Apr20° / 11°18412.1012.85.8
May23° / 16°20912.3013.66.3
Jun26° / 20°52819.6014.14.9
Jul30° / 24°37320.1013.93.9
Aug31° / 24°18417.2013.23.8
Sep28° / 21°19414.3012.25.3
Oct24° / 16°1108.7011.27.2
Nov18° / 10°1118.8010.46.1
Dec13° / 908.70.29.93.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44456
54456
64357
74357
84357
94357
104357
114258
124258
134258
144159
154159
164159
174159
184357
194456
204456
214555
224555
234555
244654
254654
264654
274555
284555
294555
304555
314555

Chance of precipitation in August

Any precipitation

Ōkuchi-shinohara gets around 184 mm of rain over 17.2 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 56% and peaks near 58% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
156
255
355
455
554
654
754
854
955
1055
1155
1256
1356
1456
1557
1657
1757
1858
1958
2058
2158
2257
2357
2457
2557
2657
2757
2857
2957
3057
3157

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1036532
2026632
3026632
4026632
5026533
6026533
7026434
8026434
9026434
10026434
11026434
12026434
13036334
14036433
15036433
16046432
17046531
18056530
19066529
20076528
21086527
22096625
231106524
241116622
251126621
261136620
271146718
281156717
291176616
302186515
312196514

Wind in August

Winds average 8 km/h in August.

Across August, 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.

051015151015202531
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 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 5:36 AM to 5:56 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)
113.65:367:11
213.65:377:10
313.55:377:10
413.55:387:09
513.55:397:08
613.55:397:07
713.45:407:06
813.45:417:05
913.45:417:04
1013.45:427:03
1113.35:437:02
1213.35:437:01
1313.35:447:00
1413.25:456:59
1513.25:456:58
1613.25:466:57
1713.25:476:56
1813.15:476:55
1913.15:486:54
2013.15:496:53
2113.05:496:52
2213.05:506:50
2313.05:516:49
2412.95:516:48
2512.95:526:47
2612.95:536:46
2712.95:536:44
2812.85:546:43
2912.85:556:42
3012.85:556:41
3112.75:566:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.86 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 5.06 kWh/m² in May across the year — August's 4.86 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for Ōkuchi-shinohara

In seasonPeak

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

Ōkuchi-shinohara sits in the Pacific typhoon belt; the season peaks July–October.

Ōkuchi-shinohara'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 Ōkuchi-shinohara?

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

3.8
Sightseeing
9th-best month of the year
5.5
Beach & pool
3rd-best month of the year

August is a weaker month for outdoor sightseeing in Ōkuchi-shinohara.

What to pack for Ōkuchi-shinohara in August

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

In August, Ōkuchi-shinohara sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Ōkuchi-shinohara 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 24 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 Ōkuchi-shinohara 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 Ōkuchi-shinohara peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 23UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Ōkuchi-shinohara 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 Ōkuchi-shinohara 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 Ōkuchi-shinohara?

Ōkuchi-shinohara sits at 32.1°N, 130.6°E, 182 m above sea level, in Japan. The nearest listed city is Isa, 1.0 km away.

Topography around Ōkuchi-shinohara

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

Within 3 km, the terrain around Ōkuchi-shinohara has significant variations in elevation — a maximum elevation change of 322 m around an average of 222 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 943 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,716 m.

The land around Ōkuchi-shinohara is covered by trees (47%) and cropland (36%) within 3 km, trees (87%) within 16 km, and trees (61%) and water (29%) within 80 km.

3 km
322 m
16 km
943 m
80 km
1,716 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Isa 1.0 km · Tsuruda 19 km · Hitoyoshi 20 km · Ebino 21 km · Izumi 24 km · Minamata 27 km · Sashiki 28 km · Aira 33 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 Ōkuchi-shinohara (32.0678°, 130.6244°, elevation 182 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).