Shinshiro weather in August

In August, Shinshiro sees average daytime highs of 30°C and overnight lows near 22°C, with 201 mm of rain across 18.7 wet days and about 13.3 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 23% 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 Shinshiro's 8th-clearest and 12th-windiest month. For the whole year in context, see Shinshiro's year-round climate.

Daytime high
30°
1st warmest
Overnight low
22°
12th coldest
Rainfall
201 mm
18.7 wet days
Daylight
13 h 18 min
5:14 AM – 6:34 PM
Cloud cover
64%
8th clearest
Wind
7 km/h
12th windiest
Solar energy
5.06 kWh/m²
Travel score
4.1
out of 10

Shinshiro is city in Aichi prefecture, Japan.

Founded
1958

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 Shinshiro reaches about 30°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, August runs about 1°C warmer than July and about 3°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193022
203022
213022
223022
233022
242922
252922
262922
272922
282922
292922
302921
312921

How August really feels in Shinshiro

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.

Shinshiro 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 daysSnow daysDaylight (hours)Travel score
Jan / 706.71.19.91.3
Feb / 897.41.210.71.8
Mar12° / 16011.70.311.73.3
Apr18° / 17811.9012.95.3
May22° / 13°19713.1013.86.1
Jun25° / 18°28017.9014.35.2
Jul29° / 22°32720.4014.14.2
Aug30° / 22°20118.7013.34.1
Sep26° / 19°26216.5012.25.4
Oct21° / 13°21913.3011.16.1
Nov16° / 1188.7010.25.1
Dec10° / 7370.39.72.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
24060
34060
44060
54060
64060
74060
84060
93961
103961
113961
123961
133961
143961
153961
163961
173961
184159
194060
204159
214159
224258
234258
244258
254159
264258
274258
284159
294159
304159
314060

Chance of precipitation in August

Any precipitation

Shinshiro gets around 201 mm of rain over 18.7 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 60% and peaks near 62% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
162
262
361
461
561
660
760
860
960
1060
1160
1260
1361
1461
1561
1661
1761
1861
1961
2061
2161
2261
2360
2460
2560
2660
2759
2859
2959
3059
3158

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10331642
20230662
30230662
40229663
50229663
60228673
70228673
80127693
90127693
100227683
110227683
120227683
131227673
141227673
151327663
161327672
171428652
181428652
191529632
201630612
211631602
221732582
231834561
241935541
252936521
2621038501
2721139481
2821240461
2921341431
3021342421
3121443401

Wind in August

Winds average 7 km/h in August, the calmest month.

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
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:03 AM to 5:26 AM, and sunset from 6:49 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:036:49
213.75:046:48
313.75:046:47
413.75:056:46
513.75:066:46
613.65:076:45
713.65:086:44
813.65:086:43
913.55:096:42
1013.55:106:40
1113.55:116:39
1213.45:116:38
1313.45:126:37
1413.45:136:36
1513.45:146:35
1613.35:146:34
1713.35:156:33
1813.35:166:31
1913.25:176:30
2013.25:186:29
2113.25:186:28
2213.15:196:26
2313.15:206:25
2413.15:216:24
2513.05:216:22
2613.05:226:21
2712.95:236:20
2812.95:246:18
2912.95:246:17
3012.85:256:16
3112.85:266:14

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.06 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 5.39 kWh/m² in May across the year — August's 5.06 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.7Bright
294.7Bright
304.7Bright
314.6Bright
Planning a trip in August

Hazard calendar for Shinshiro

In seasonPeak

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

Shinshiro 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 Shinshiro?

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

4.1
Sightseeing
8th-best month of the year
5.5
Beach & pool
1st-best month of the year

August is a reasonable time to visit Shinshiro for sightseeing.

What to pack for Shinshiro in August

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

In August, Shinshiro sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Shinshiro 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 33 km away) is warmest in August at about 27°C and coldest in February near 16°C.

It's comfortable for a long swim from May 26 to Nov 26 — about 6.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Shinshiro 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 Shinshiro peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highModerateJul 15UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shinshiro 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 Shinshiro 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 Shinshiro?

Shinshiro sits at 34.9°N, 137.5°E, 48 m above sea level, in Japan. The nearest listed city is Toyokawa, 13 km away.

Topography around Shinshiro

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

Within 3 km, the terrain around Shinshiro has significant variations in elevation — a maximum elevation change of 480 m around an average of 103 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 894 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,775 m.

The land around Shinshiro is covered by trees (56%) and artificial surfaces (23%) within 3 km, trees (82%) within 16 km, and trees (49%) and water (33%) within 80 km.

3 km
480 m
16 km
894 m
80 km
2,775 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Toyokawa 13 km · Kozakai-chō 17 km · Toyohashi 18 km · Kosai 22 km · Arai 25 km · Gamagōri 25 km · Hamakita 28 km · Kōta 30 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 Shinshiro (34.9°, 137.5°, elevation 48 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).