Kushima weather in August

In August, Kushima sees average daytime highs of 30°C and overnight lows near 25°C, with 202 mm of rain across 17.4 wet days and about 13.1 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 29% of the time in August, and the air most often feels miserable.

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 Kushima's 7th-clearest and 8th-windiest month. For the whole year in context, see Kushima's year-round climate.

Daytime high
30°
1st warmest
Overnight low
25°
12th coldest
Rainfall
202 mm
17.4 wet days
Daylight
13 h 12 min
5:44 AM – 6:54 PM
Cloud cover
62%
7th clearest
Wind
14 km/h
8th windiest
Solar energy
5.32 kWh/m²
Travel score
4.4
out of 10

Kushima is city in Miyazaki Prefecture, Japan.

Density
75/km²
people per km²
Founded
1954

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 30°C through the month.

A typical August day in Kushima reaches about 30°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How August really feels in Kushima

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.

Kushima 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 daysDaylight (hours)Travel score
Jan12° / 887.710.23.5
Feb13° / 1048.810.83.8
Mar16° / 10°16912.811.84.8
Apr20° / 14°18511.912.75.9
May23° / 18°21012.613.66.2
Jun25° / 21°42120144.9
Jul29° / 25°23717.113.84.5
Aug30° / 25°20217.413.14.4
Sep27° / 23°26016.912.25.3
Oct23° / 18°17011.111.26.8
Nov19° / 13°119910.46.3
Dec14° / 866.9104.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34456
44357
54357
64357
74456
84357
94357
104357
114357
124357
134357
144357
154357
164357
174456
184456
194456
204456
214555
224555
234654
244555
254654
264555
274654
284555
294555
304555
314753

Chance of precipitation in August

Any precipitation

Kushima gets around 202 mm of rain over 17.4 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 61% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
254
354
455
555
655
756
856
956
1056
1156
1256
1356
1455
1555
1654
1754
1854
1954
2054
2154
2255
2356
2456
2557
2658
2759
2859
2960
3061
3161

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1014158
2014059
3013960
4013960
5013861
6013861
7003862
8003862
9003862
10003862
11003862
12013861
13013960
14014059
15014059
16014158
17024256
18024355
19034453
20134452
21144550
22144649
23154648
24164746
25164845
26174943
27175141
28285040
29295138
302105236
312115235

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

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 5:54 AM, and sunset from 7:08 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:357:08
213.55:357:07
313.55:367:06
413.55:377:05
513.55:377:04
613.45:387:04
713.45:387:03
813.45:397:02
913.45:407:01
1013.35:407:00
1113.35:416:59
1213.35:426:58
1313.25:426:57
1413.25:436:56
1513.25:446:55
1613.25:446:54
1713.15:456:53
1813.15:466:52
1913.15:466:51
2013.05:476:50
2113.05:486:48
2213.05:486:47
2313.05:496:46
2412.95:496:45
2512.95:506:44
2612.95:516:42
2712.85:516:41
2812.85:526:40
2912.85:536:39
3012.75:536:38
3112.75:546:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.32 kWh/m².

For context, solar energy here swings from a low near 2.74 kWh/m² to a high of 5.4 kWh/m² in July across the year — August's 5.32 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
314.9Bright
Planning a trip in August

Hazard calendar for Kushima

In seasonPeak

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

Kushima 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 Kushima?

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

4.4
Sightseeing
10th-best month of the year
5.8
Beach & pool
1st-best month of the year

August is a reasonable time to visit Kushima for sightseeing.

What to pack for Kushima in August

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

In August, Kushima sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Kushima 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 17 km away) is warmest in August at about 28°C and coldest in February near 18°C.

It's comfortable for a long swim from Apr 14 to Jan 4 — about 8.7 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar19Cool
Apr20Refreshing
May22Refreshing
Jun24Refreshing
Jul27Warm
Aug28Tropical
Sep27Warm
Oct26Warm
Nov23Refreshing
Dec21Refreshing

UV index in Kushima 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 Kushima peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 11Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Kushima 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 Kushima is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodModerateApr 1421 µg/m³Sep 1911 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar21Moderate
Apr22Moderate
May20Moderate
Jun16Moderate
Jul11Good
Aug12Moderate
Sep11Good
Oct12Good
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Kushima?

Kushima sits at 31.5°N, 131.2°E, 17 m above sea level, in Japan. The nearest listed city is Shibushi, 13 km away.

Topography around Kushima

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

Within 3 km, the terrain around Kushima has significant variations in elevation — a maximum elevation change of 425 m around an average of 66 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 775 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,640 m.

The land around Kushima is covered by trees (62%) and cropland (22%) within 3 km, trees (61%) and water (30%) within 16 km, and water (48%) and trees (43%) within 80 km.

3 km
425 m
16 km
775 m
80 km
1,640 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Shibushi 13 km · Nichinan 17 km · Sueyoshichō-ninokata 28 km · Soo 30 km · Mochibaru 32 km · Miyakonojō 32 km · Kanoya 39 km · Miyazaki 51 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 Kushima (31.4862°, 131.2421°, elevation 17 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).