Kushiro weather in August

In August, Kushiro sees average daytime highs of 20°C and overnight lows near 17°C, with 147 mm of rain across 12.1 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 13% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Kushiro's 11th-clearest and 10th-windiest month. For the whole year in context, see Kushiro's year-round climate.

Daytime high
20°
1st warmest
Overnight low
17°
12th coldest
Rainfall
147 mm
12.1 wet days
Daylight
13 h 48 min
4:33 AM – 6:20 PM
Cloud cover
77%
11th clearest
Wind
11 km/h
10th windiest
Solar energy
3.88 kWh/m²
Travel score
5.7
out of 10

Kushiro is city in Hokkaidō, Japan.

Density
123/km²
people per km²
Founded
2005

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 20°C through the month.

A typical August day in Kushiro reaches about 20°C in the afternoon and slips back to 17°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12016
22016
32016
42017
52017
62017
72017
82017
92017
102017
112017
122017
132017
142017
152017
162017
172017
182017
192017
202017
212017
222017
232017
242016
252016
262016
272016
282016
292016
302016
312016

How August really feels in Kushiro

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kushiro weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -7°506.269.20.0
Feb-1° / -8°376.26.110.20.0
Mar / -4°688.16.311.60.0
Apr / 859.42.813.10.9
May11° / 10510.50.114.42.6
Jun14° / 10°869.3015.13.9
Jul18° / 14°12610.7014.85.3
Aug20° / 17°14712.1013.85.7
Sep19° / 14°16011.5012.35.6
Oct14° / 1189.50.110.84.3
Nov / 758.61.49.51.5
Dec / -3°718.25.48.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31981
41981
52080
62080
72080
82080
92080
102080
112080
122080
132179
142179
152179
162179
172278
182278
192377
202575
212575
222674
232674
242773
252872
262872
272872
282971
292971
303070
313070

Chance of precipitation in August

Any precipitation

Kushiro gets around 147 mm of rain over 12.1 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 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
236
336
436
536
637
737
837
938
1038
1139
1239
1340
1440
1541
1641
1741
1841
1941
2041
2141
2241
2341
2441
2540
2640
2740
2840
2940
3040
3140

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1112734281
2112633291
3112533301
4112433311
5112433311
6112433321
7112433321
8102433311
9102433311
10102534301
11102534301
1292634291
1392635291
1492735281
1592736271
1692836261
1792836261
1892937251
1992937241
2093037231
2193037221
2293137221
23103138211
24103138201
25103238201
26103238191
27113237181
28113337181
29123337171
30123437171
31133436161

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 4:17 AM to 4:50 AM, and sunset from 6:40 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:176:40
214.34:186:39
314.34:196:38
414.34:206:36
514.24:216:35
614.24:226:34
714.24:246:33
814.14:256:31
914.14:266:30
1014.04:276:29
1114.04:286:27
1213.94:296:26
1313.94:306:24
1413.94:316:23
1513.84:326:21
1613.84:336:20
1713.74:356:18
1813.74:366:17
1913.64:376:15
2013.64:386:13
2113.54:396:12
2213.54:406:10
2313.54:416:09
2413.44:426:07
2513.44:446:05
2613.34:456:04
2713.34:466:02
2813.24:476:00
2913.24:485:58
3013.14:495:57
3113.14:505:55

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.88 kWh/m².

For context, solar energy here swings from a low near 1.83 kWh/m² to a high of 5.12 kWh/m² in May across the year — August's 3.88 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.1Bright
54.1Bright
64.1Bright
74.0Bright
84.0Bright
94.0Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in August

Hazard calendar for Kushiro

In seasonPeak

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

Kushiro 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 Kushiro?

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

5.7
Sightseeing
1st-best month of the year
3.1
Beach & pool
1st-best month of the year

August is a reasonable time to visit Kushiro for sightseeing.

What to pack for Kushiro in August

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

In August, Kushiro sees daytime highs around 20°C and nights near 17°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Kushiro in August

The nearest coast averages about 17°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 17°C and coldest in February near 1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb1Bracing
Mar1Bracing
Apr3Bracing
May6Bracing
Jun10Bracing
Jul14Bracing
Aug17Cool
Sep17Cool
Oct14Bracing
Nov10Bracing
Dec6Bracing

UV index in Kushiro 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 Kushiro peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowAug 18UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7High
Jun7High
Jul5High
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Kushiro?

Kushiro sits at 43.0°N, 144.4°E, 6 m above sea level, in Japan. The nearest listed city is Nakashibetsu, 80 km away.

Topography around Kushiro

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

Within 3 km, the terrain around Kushiro has only modest variations in elevation — a maximum elevation change of 65 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 151 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,450 m.

The land around Kushiro is covered by water (57%) and artificial surfaces (35%) within 3 km, water (50%) and trees (24%) within 16 km, and trees (49%) and water (34%) within 80 km.

3 km
65 m
16 km
151 m
80 km
1,450 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Nakashibetsu 80 km · Sarubetsu 85 km · Obihiro 95 km · Otofuke 96 km · Motomachi 97 km · Shibetsu 98 km · Kitami 100 km · Nemuro 105 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 Kushiro (42.975°, 144.3747°, 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).