Inuyama weather in August

In August, Inuyama sees average daytime highs of 31°C and overnight lows near 23°C, with 156 mm of rain across 14.1 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 7th-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 30% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Inuyama's 8th-clearest and 12th-windiest month. For the whole year in context, see Inuyama's year-round climate.

Daytime high
31°
1st warmest
Overnight low
23°
12th coldest
Rainfall
156 mm
14.1 wet days
Daylight
13 h 18 min
5:16 AM – 6:37 PM
Cloud cover
60%
8th clearest
Wind
6 km/h
12th windiest
Solar energy
4.94 kWh/m²
Travel score
3.9
out of 10

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 Inuyama reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, August runs about 2°C warmer than July and about 4°C warmer than September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153223
163223
173223
183123
193123
203123
213123
223123
233123
243123
253123
263123
273122
283122
293022
303022
313022

How August really feels in Inuyama

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.

Inuyama 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 / 667.71.79.91.7
Feb10° / 737.41.510.72.2
Mar13° / 13810.90.311.73.8
Apr19° / 15711.7012.95.7
May23° / 13°17711.8013.86.5
Jun26° / 18°22014.6014.35.6
Jul30° / 22°27116.9014.14.2
Aug31° / 23°15614.1013.33.9
Sep28° / 20°21612.6012.25.6
Oct22° / 13°17510.6011.16.7
Nov16° / 1037.9010.15.5
Dec11° / 687.70.69.72.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44852
54852
64951
74951
84951
94852
104852
114852
124753
134852
144852
154753
164852
174753
184852
194852
204753
214753
224852
234852
244852
254852
264852
274753
284753
294753
304753
314753

Chance of precipitation in August

Any precipitation

Inuyama gets around 156 mm of rain over 14.1 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 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
447
546
646
746
846
946
1046
1146
1246
1346
1446
1546
1646
1746
1846
1945
2045
2145
2245
2345
2444
2544
2644
2744
2844
2944
3044
3144

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100219736
200218746
300118747
400118747
500118747
600118738
700118738
800118738
900118738
1000118738
1100218719
1200218719
1300218719
1400219709
1500319708
1611319688
1711320678
1811421667
1911521657
2011522656
2111623636
2211724625
2311825605
2411926594
25111027574
26011028574
27011129563
28011230543
29021331513
30021332512
31021433482

Wind in August

Winds average 6 km/h in August, the calmest month.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 48 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 60 minutes over August. Sunrise moves from 5:04 AM to 5:28 AM, and sunset from 6:52 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:046:52
213.85:056:51
313.75:066:51
413.75:076:50
513.75:076:49
613.75:086:48
713.65:096:47
813.65:106:46
913.65:106:45
1013.55:116:44
1113.55:126:42
1213.55:136:41
1313.45:146:40
1413.45:146:39
1513.45:156:38
1613.35:166:37
1713.35:176:35
1813.35:186:34
1913.25:186:33
2013.25:196:32
2113.25:206:30
2213.15:216:29
2313.15:216:28
2413.15:226:27
2513.05:236:25
2613.05:246:24
2713.05:256:22
2812.95:256:21
2912.95:266:20
3012.95:276:18
3112.85:286:17

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.94 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.38 kWh/m² in May across the year — August's 4.94 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.6Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for Inuyama

In seasonPeak

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

Inuyama 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 Inuyama?

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

3.9
Sightseeing
8th-best month of the year
6.0
Beach & pool
2nd-best month of the year

August is a weaker month for outdoor sightseeing in Inuyama.

What to pack for Inuyama in August

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

In August, Inuyama sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Inuyama in August

The nearest coast averages about 27°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 56 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Nov 9 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Inuyama 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 Inuyama peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 13UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Inuyama 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 Inuyama is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1322 µg/m³Dec 1813 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun19Moderate
Jul15Moderate
Aug14Moderate
Sep14Moderate
Oct15Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Inuyama?

Inuyama sits at 35.4°N, 136.9°E, 56 m above sea level, in Japan. The nearest listed city is Fusō, 4.0 km away.

Topography around Inuyama

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

Within 3 km, the terrain around Inuyama has only modest variations in elevation — a maximum elevation change of 239 m around an average of 59 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 423 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,037 m.

The land around Inuyama is covered by artificial surfaces (52%) and trees (22%) within 3 km, artificial surfaces (47%) and trees (36%) within 16 km, and trees (69%) within 80 km.

3 km
239 m
16 km
423 m
80 km
3,037 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Fusō 4.0 km · Ōguchi 5.0 km · Kakamigahara 8.0 km · Kōnan 8.0 km · Kani 11 km · Komaki 11 km · Sekimachi 12 km · Iwakura 13 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 Inuyama (35.38°, 136.9429°, elevation 56 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).