Kagoshima weather in August

In August, Kagoshima sees average daytime highs of 31°C and overnight lows near 25°C, with 167 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 25% 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 Kagoshima's 8th-clearest and 7th-windiest month. For the whole year in context, see Kagoshima's year-round climate.

Daytime high
31°
1st warmest
Overnight low
25°
12th coldest
Rainfall
167 mm
17.2 wet days
Daylight
13 h 12 min
5:47 AM – 6:57 PM
Cloud cover
64%
8th clearest
Wind
10 km/h
7th windiest
Solar energy
5.02 kWh/m²
Travel score
3.6
out of 10

Kagoshima is capital city of Kagoshima prefecture.

Founded
1889

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 Kagoshima reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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)
13226
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123126
133126
143126
153126
163126
173126
183126
193126
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313125

How August really feels in Kagoshima

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.

Kagoshima 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 daysDaylight (hours)Travel score
Jan12° / 82910.23.4
Feb13° / 1029.610.83.7
Mar16° / 15412.911.84.9
Apr21° / 13°17611.612.86.0
May24° / 17°19711.613.66.4
Jun27° / 21°48819.8144.7
Jul30° / 25°30019.913.83.7
Aug31° / 25°16717.213.23.6
Sep29° / 23°20214.712.24.9
Oct25° / 18°110911.27.1
Nov20° / 12°1128.910.46.4
Dec14° / 857.7104.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44456
54555
64555
74456
84456
94456
104456
114456
124357
134357
144357
154456
164456
174555
184555
194555
204654
214654
224654
234654
244654
254654
264654
274654
284654
294555
304555
314654

Chance of precipitation in August

Any precipitation

Kagoshima gets around 167 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 59% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
251
351
451
551
652
752
853
954
1055
1155
1256
1357
1458
1558
1659
1759
1859
1959
2059
2159
2258
2358
2458
2558
2658
2758
2858
2958
3058
3158

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1013564
2013465
3013465
4013366
5013366
6013366
7013267
8013267
9013267
10013366
11013366
12013366
13013465
14013564
15013564
16023662
17023761
18023860
19033958
20033958
21044056
22054154
23054253
24064450
25074548
26074646
27084744
28094842
291104940
301115039
311115137

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:37 AM to 5:57 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)
113.65:377:11
213.55:387:10
313.55:387:09
413.55:397:08
513.55:407:07
613.45:407:06
713.45:417:06
813.45:427:05
913.45:427:04
1013.35:437:03
1113.35:447:02
1213.35:447:01
1313.25:457:00
1413.25:466:59
1513.25:466:58
1613.25:476:57
1713.15:486:56
1813.15:486:55
1913.15:496:53
2013.05:506:52
2113.05:506:51
2213.05:516:50
2313.05:526:49
2412.95:526:48
2512.95:536:47
2612.95:536:45
2712.85:546:44
2812.85:556:43
2912.85:556:42
3012.75:566:40
3112.75:576:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.02 kWh/m².

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 5.06 kWh/m² in May across the year — August's 5.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for Kagoshima

In seasonPeak

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

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

Kagoshima'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 Kagoshima?

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

3.6
Sightseeing
11th-best month of the year
5.5
Beach & pool
4th-best month of the year

August is a weaker month for outdoor sightseeing in Kagoshima.

What to pack for Kagoshima in August

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

In August, Kagoshima sees daytime highs around 31°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 Kagoshima 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 22 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 24 to Dec 26 — about 8.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar18Cool
Apr20Cool
May21Refreshing
Jun24Refreshing
Jul27Warm
Aug28Tropical
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

UV index in Kagoshima 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 Kagoshima peaks around July 10 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 highHighModerateJul 10UV 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 Kagoshima 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 Kagoshima is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1423 µg/m³Oct 1012 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb19Moderate
Mar22Moderate
Apr23Moderate
May21Moderate
Jun17Moderate
Jul12Moderate
Aug14Moderate
Sep12Moderate
Oct12Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Kagoshima?

Kagoshima sits at 31.6°N, 130.6°E, 6 m above sea level, in Japan. The nearest listed city is Ijūin, 15 km away.

Topography around Kagoshima

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

Within 3 km, the terrain around Kagoshima has only modest variations in elevation — a maximum elevation change of 131 m around an average of 19 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,097 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,641 m.

The land around Kagoshima is covered by artificial surfaces (63%) and water (28%) within 3 km, trees (49%) and water (35%) within 16 km, and water (50%) and trees (43%) within 80 km.

3 km
131 m
16 km
1,097 m
80 km
1,641 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Ijūin 15 km · Tarumizu 17 km · Umeki 19 km · Kajiki 22 km · Aira 23 km · Hamanoichi 24 km · Minamikyushu 26 km · Kokubu-matsuki 28 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 Kagoshima (31.5667°, 130.55°, elevation 6 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).