Kunisaki weather in August

In August, Kunisaki sees average daytime highs of 28°C and overnight lows near 26°C, with 135 mm of rain across 11.8 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 7th-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 35% of the time in August, and the air most often feels miserable.

Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Kunisaki's 7th-clearest and 10th-windiest month. For the whole year in context, see Kunisaki's year-round climate.

Daytime high
28°
1st warmest
Overnight low
26°
12th coldest
Rainfall
135 mm
11.8 wet days
Daylight
13 h 18 min
5:40 AM – 6:55 PM
Cloud cover
58%
7th clearest
Wind
13 km/h
10th windiest
Solar energy
5.32 kWh/m²
Travel score
5.8
out of 10

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 Kunisaki reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°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)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252825
262825
272825
282825
292825
302825
312725

How August really feels in Kunisaki

Once humidity and wind are folded in, August averages 22 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
22
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.

Kunisaki weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 648.10.7102.1
Feb10° / 758.60.410.82.2
Mar12° / 12311011.73.3
Apr16° / 13°14310.6012.85.1
May20° / 17°16010.6013.76.2
Jun23° / 21°29214.6014.25.8
Jul27° / 24°21213.40145.8
Aug28° / 26°13511.8013.25.8
Sep26° / 23°17812012.26.4
Oct22° / 19°1428.3011.27.0
Nov17° / 14°818010.35.7
Dec12° / 688.40.29.83.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35149
45149
55248
65149
75149
85050
95050
105050
114951
124852
134852
144753
154852
164852
174852
184852
195050
205050
215050
224951
234951
244951
254852
264852
274852
284852
294852
304852
314852

Chance of precipitation in August

Any precipitation

Kunisaki gets around 135 mm of rain over 11.8 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 38% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
534
634
734
835
936
1036
1137
1238
1339
1439
1540
1640
1741
1841
1941
2041
2141
2241
2341
2441
2541
2641
2741
2841
2941
3040
3140

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1023662
2023563
3023464
4023464
5013366
6013366
7023266
8023266
9023266
10023266
11023266
12023266
13023365
14023365
15133363
16133462
17133462
18143461
19153559
20153559
21163657
22173755
23183853
24293950
252104048
262114146
272124244
282144341
292154439
302164636
312184733

Wind in August

Winds average 13 km/h in August.

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

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light 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 42 min at the start of August to 12 h 48 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 5:29 AM to 5:50 AM, and sunset from 7:10 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:297:10
213.75:297:09
313.65:307:08
413.65:317:07
513.65:327:06
613.55:327:05
713.55:337:04
813.55:347:03
913.55:347:02
1013.45:357:01
1113.45:367:00
1213.45:376:59
1313.35:376:58
1413.35:386:57
1513.35:396:56
1613.35:406:55
1713.25:406:54
1813.25:416:53
1913.25:426:51
2013.15:426:50
2113.15:436:49
2213.15:446:48
2313.05:456:46
2413.05:456:45
2513.05:466:44
2612.95:476:43
2712.95:476:41
2812.95:486:40
2912.85:496:39
3012.85:496:37
3112.85:506:36

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 2.32 kWh/m² to a high of 5.56 kWh/m² in May 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
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in August

Hazard calendar for Kunisaki

In seasonPeak

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

Kunisaki 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 Kunisaki?

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

5.8
Sightseeing
4th-best month of the year
6.6
Beach & pool
1st-best month of the year

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

What to pack for Kunisaki in August

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

In August, Kunisaki sees daytime highs around 28°C and nights near 26°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Kunisaki in August

The nearest coast averages about 26°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 16 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 7 to Nov 18 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Kunisaki 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 Kunisaki peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 20UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kunisaki 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 Kunisaki is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateApr 1323 µg/m³Oct 1612 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar23Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct11Good
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Kunisaki?

Kunisaki sits at 33.6°N, 131.7°E, 25 m above sea level, in Japan. The nearest listed city is Kitsuki, 18 km away.

Topography around Kunisaki

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

Within 3 km, the terrain around Kunisaki has only modest variations in elevation — a maximum elevation change of 186 m around an average of 34 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 705 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,799 m.

The land around Kunisaki is covered by trees (41%) and water (32%) within 3 km, water (56%) and trees (38%) within 16 km, and water (50%) and trees (43%) within 80 km.

3 km
186 m
16 km
705 m
80 km
1,799 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Kitsuki 18 km · Bungo-Takada-shi 26 km · Hiji 27 km · Tsurusaki 35 km · Yokkaichi 37 km · Beppu 37 km · Ōita 38 km · Usuki 48 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 Kunisaki (33.5547°, 131.728°, elevation 25 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).