Nishinoomote weather in August

In August, Nishinoomote sees average daytime highs of 28°C and overnight lows near 27°C, with 138 mm of rain across 13.9 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 41% of the time in August, and the air most often feels miserable.

Daylight stretches from about 13 h 30 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Nishinoomote's 2nd-clearest and 10th-windiest month. For the whole year in context, see Nishinoomote's year-round climate.

Daytime high
28°
1st warmest
Overnight low
27°
12th coldest
Rainfall
138 mm
13.9 wet days
Daylight
13 h 06 min
5:46 AM – 6:54 PM
Cloud cover
54%
2nd clearest
Wind
23 km/h
10th windiest
Solar energy
5.65 kWh/m²
Travel score
5.4
out of 10

Nishinoomote is city in Kagoshima Prefecture, Japan.

Density
87/km²
people per km²
Founded
1958

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 28°C through the month.

A typical August day in Nishinoomote reaches about 28°C in the afternoon and slips back to 27°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C warmer than September.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12827
22827
32827
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252827
262827
272827
282827
292827
302827
312827

How August really feels in Nishinoomote

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.

Nishinoomote weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 11°10510.110.24.2
Feb15° / 12°11210.410.94.2
Mar17° / 14°17814.311.84.9
Apr20° / 17°1871212.75.8
May22° / 21°20312.313.56.2
Jun25° / 23°42218.4145.2
Jul28° / 26°18112.713.85.8
Aug28° / 27°13813.913.15.4
Sep27° / 26°2131512.25.8
Oct24° / 22°15511.711.26.8
Nov21° / 18°13010.710.46.3
Dec17° / 14°969.2105.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35248
45248
55248
65149
75149
85149
95149
105149
115149
125149
135050
145149
155149
165149
175149
185248
195347
205446
215446
225545
235545
245545
255644
265545
275545
285446
295545
305446
315446

Chance of precipitation in August

Any precipitation

Nishinoomote gets around 138 mm of rain over 13.9 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 45% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
140
241
342
443
543
644
744
845
945
1046
1146
1246
1346
1445
1545
1645
1744
1844
1944
2044
2144
2244
2344
2445
2545
2646
2746
2847
2948
3049
3150

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
101486
201486
301486
401387
501387
601387
701387
801387
901387
1001387
1101387
1201387
1301486
1401486
1511584
1611683
1711782
1811881
1911980
2022078
2122177
2222276
2332374
2432572
2532671
2642868
2742967
2853164
2953263
3063361
3163559

Wind in August

Winds average 23 km/h in August.

Across August, daily wind ranges from about 22 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
122breezy
222breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 30 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 48 minutes over August. Sunrise moves from 5:37 AM to 5:55 AM, and sunset from 7:07 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:377:07
213.55:387:06
313.55:387:06
413.45:397:05
513.45:397:04
613.45:407:03
713.45:417:02
813.35:417:02
913.35:427:01
1013.35:437:00
1113.35:436:59
1213.25:446:58
1313.25:446:57
1413.25:456:56
1513.25:466:55
1613.15:466:54
1713.15:476:53
1813.15:486:52
1913.05:486:51
2013.05:496:50
2113.05:496:48
2213.05:506:47
2312.95:516:46
2412.95:516:45
2512.95:526:44
2612.85:526:43
2712.85:536:41
2812.85:546:40
2912.75:546:39
3012.75:556:38
3112.75:556:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.65 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 5.79 kWh/m² in July across the year — August's 5.65 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.3Bright
315.2Bright
Planning a trip in August

Hazard calendar for Nishinoomote

In seasonPeak

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

Nishinoomote 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 Nishinoomote?

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

5.4
Sightseeing
7th-best month of the year
6.4
Beach & pool
1st-best month of the year

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

What to pack for Nishinoomote in August

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

In August, Nishinoomote sees daytime highs around 28°C and nights near 27°C. Pack light clothes. Worth having: rain gear, sun protection and a windbreaker. About 14 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Nishinoomote in August

The nearest coast averages about 29°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 17 km away) is warmest in August at about 29°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 22 to Jan 20 — about 10 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb19Cool
Mar20Cool
Apr21Refreshing
May23Refreshing
Jun25Warm
Jul27Warm
Aug29Tropical
Sep28Warm
Oct26Warm
Nov24Warm
Dec22Refreshing

UV index in Nishinoomote 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 Nishinoomote peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Jan 10UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Extreme
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Nishinoomote 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 Nishinoomote is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (July, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1319 µg/m³Jul 209 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb16Moderate
Mar18Moderate
Apr19Moderate
May17Moderate
Jun13Moderate
Jul9Good
Aug10Good
Sep9Good
Oct10Good
Nov10Good
Dec10Good
Location & terrain

Where is Nishinoomote?

Nishinoomote sits at 30.7°N, 131.0°E, 38 m above sea level, in Japan. The nearest listed city is Yakushima, 51 km away.

Topography around Nishinoomote

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

Within 3 km, the terrain around Nishinoomote has only modest variations in elevation — a maximum elevation change of 164 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 286 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,893 m.

The land around Nishinoomote is covered by trees (50%) and water (33%) within 3 km, water (72%) and trees (24%) within 16 km, and water (85%) within 80 km.

3 km
164 m
16 km
286 m
80 km
1,893 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Yakushima 51 km · Ibusuki 65 km · Kanoya 74 km · Shibushi 83 km · Minamikyushu 86 km · Kushima 87 km · Makurazaki 88 km · Tarumizu 88 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 Nishinoomote (30.7333°, 131°, elevation 38 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).