Kawaminami weather in August

In August, Kawaminami sees average daytime highs of 30°C and overnight lows near 25°C, with 266 mm of rain across 19.4 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 4th-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 26% 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 Kawaminami's 9th-clearest and 5th-windiest month. For the whole year in context, see Kawaminami's year-round climate.

Daytime high
30°
1st warmest
Overnight low
25°
12th coldest
Rainfall
266 mm
19.4 wet days
Daylight
13 h 12 min
5:42 AM – 6:54 PM
Cloud cover
64%
9th clearest
Wind
8 km/h
5th windiest
Solar energy
4.96 kWh/m²
Travel score
3.9
out of 10

Kawaminami is town in Koyu district, Miyazaki prefecture, Japan.

Density
170/km²
people per km²
Founded
1953

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 Kawaminami reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°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 3°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
292925
302925
312925

How August really feels in Kawaminami

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.

Kawaminami weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 716.410.13.5
Feb13° / 86810.83.7
Mar15° / 13111.411.84.6
Apr19° / 12°15811.612.85.9
May23° / 17°19412.613.66.2
Jun25° / 21°37718.414.15.1
Jul29° / 25°27017.813.94.2
Aug30° / 25°26619.413.23.9
Sep28° / 23°29016.812.25.2
Oct23° / 17°16610.711.26.8
Nov19° / 12°978.210.46.4
Dec14° / 705.89.94.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34357
44258
54258
64159
74258
84258
94258
104258
114258
124258
134258
144258
154258
164258
174357
184357
194258
204456
214456
224456
234456
244357
254357
264357
274258
284258
294159
304159
314159

Chance of precipitation in August

Any precipitation

Kawaminami gets around 266 mm of rain over 19.4 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 62% and peaks near 64% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
162
262
363
463
563
663
763
863
963
1063
1162
1262
1362
1461
1561
1661
1761
1861
1961
2061
2161
2261
2362
2462
2562
2663
2763
2864
2964
3064
3164

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1014257
2014158
3014158
4014059
5014059
6014059
7014059
8014059
9014059
10014059
11014158
12014158
13014257
14014257
15024355
16124453
17124453
18124552
19134650
20134749
21144847
22144946
23154944
24265043
25275041
26285040
27295138
282105236
292115235
303125233
313135331

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
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
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 5:32 AM to 5:52 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)
113.65:327:08
213.65:337:07
313.55:337:06
413.55:347:05
513.55:357:05
613.55:367:04
713.45:367:03
813.45:377:02
913.45:387:01
1013.45:387:00
1113.35:396:59
1213.35:406:58
1313.35:406:57
1413.25:416:56
1513.25:426:55
1613.25:426:54
1713.25:436:53
1813.15:446:52
1913.15:446:50
2013.15:456:49
2113.05:466:48
2213.05:466:47
2313.05:476:46
2412.95:486:45
2512.95:486:43
2612.95:496:42
2712.95:506:41
2812.85:506:40
2912.85:516:38
3012.85:526:37
3112.75:526:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.96 kWh/m².

For context, solar energy here swings from a low near 2.68 kWh/m² to a high of 5.14 kWh/m² in May across the year — August's 4.96 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in August

Hazard calendar for Kawaminami

In seasonPeak

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

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

Kawaminami's rainy season runs May–September, 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 Kawaminami?

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

3.9
Sightseeing
10th-best month of the year
5.4
Beach & pool
3rd-best month of the year

August is a weaker month for outdoor sightseeing in Kawaminami.

What to pack for Kawaminami in August

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

In August, Kawaminami sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Kawaminami 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 offshore is warmest in August at about 28°C and coldest in February near 18°C.

It's comfortable for a long swim from Apr 22 to Jan 1 — about 8.4 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar18Cool
Apr20Cool
May22Refreshing
Jun24Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

UV index in Kawaminami 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 Kawaminami 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
Mar6High
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Kawaminami 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 Kawaminami is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2025 µg/m³Jul 2214 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar26Moderate
Apr23Moderate
May22Moderate
Jun18Moderate
Jul14Moderate
Aug14Moderate
Sep14Moderate
Oct15Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Kawaminami?

Kawaminami sits at 32.2°N, 131.5°E, 37 m above sea level, in Japan. The nearest listed city is Takanabe, 6.0 km away.

Topography around Kawaminami

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

Within 3 km, the terrain around Kawaminami has only modest variations in elevation — a maximum elevation change of 109 m around an average of 57 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,401 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.

The land around Kawaminami is covered by cropland (39%) and trees (37%) within 3 km, trees (42%) and water (38%) within 16 km, and trees (63%) and water (30%) within 80 km.

3 km
109 m
16 km
1,401 m
80 km
1,714 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Takanabe 6.0 km · Shintomi 14 km · Tsuma 14 km · Saito 16 km · Honjō 28 km · Hyūga 29 km · Miyazaki 31 km · Kadogawa 35 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 Kawaminami (32.1833°, 131.5167°, elevation 37 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).