Tōbetsu weather in August

In August, Tōbetsu sees average daytime highs of 24°C and overnight lows near 19°C, with 171 mm of rain across 13.7 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 20% of the time in August, and the air most often feels muggy.

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 Tōbetsu's 8th-clearest and 12th-windiest month. For the whole year in context, see Tōbetsu's year-round climate.

Daytime high
24°
1st warmest
Overnight low
19°
12th coldest
Rainfall
171 mm
13.7 wet days
Daylight
13 h 48 min
4:44 AM – 6:32 PM
Cloud cover
69%
8th clearest
Wind
9 km/h
12th windiest
Solar energy
4.34 kWh/m²
Travel score
6.2
out of 10

Tōbetsu is town in Ishikari District, Hokkaido, Japan.

Density
39/km²
people per km²
Founded
1947

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 24°C through the month.

A typical August day in Tōbetsu reaches about 24°C in the afternoon and slips back to 19°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, August runs about 1°C warmer than July and about 3°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12519
22519
32519
42519
52519
62519
72519
82519
92519
102519
112519
122519
132519
142419
152419
162419
172419
182419
192419
202418
212418
222418
232418
242418
252418
262418
272418
282418
292418
302417
312317

How August really feels in Tōbetsu

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.

Tōbetsu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -8°5313.819.79.20.0
Feb-1° / -8°4511.616.610.20.0
Mar / -4°5811.611.411.60.0
Apr10° / 6511.1313.22.2
May16° / 8511.40.114.44.7
Jun19° / 13°7510.1015.16.0
Jul23° / 17°12612.5014.96.3
Aug24° / 19°17113.7013.86.2
Sep21° / 14°13613.7012.35.8
Oct15° / 9413.50.210.84.2
Nov / 9317.18.39.51.0
Dec / -5°7616.519.78.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33565
43565
53565
63565
73565
83565
93565
103565
113466
123466
133367
143367
153466
163466
173466
183466
193466
203565
213565
223565
233565
243664
253664
263763
273862
283862
293961
303961
313961

Chance of precipitation in August

Any precipitation

Tōbetsu gets around 171 mm of rain over 13.7 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
141
242
342
442
543
643
743
843
944
1044
1144
1245
1345
1445
1545
1646
1746
1846
1946
2046
2145
2245
2345
2445
2545
2645
2745
2845
2945
3045
3145

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1112293820
2112283820
3112283821
4112273821
5112283721
6212283721
7212293721
8211303720
9211303720
10211313719
11211323718
12210333717
13210343717
14310353716
15310363715
16310363714
17311373713
18311373712
19312373611
20413373610
21414373610
2241537359
2341537359
2451637348
2551736348
2651836337
2761936327
2862036317
2962136306
3072236296
3182336276

Wind in August

Winds average 9 km/h in August, the calmest month.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 4:28 AM to 5:01 AM, and sunset from 6:52 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:286:52
214.44:296:51
314.34:306:50
414.34:316:48
514.34:326:47
614.24:336:46
714.24:346:45
814.14:356:43
914.14:376:42
1014.04:386:40
1114.04:396:39
1214.04:406:38
1313.94:416:36
1413.94:426:35
1513.84:436:33
1613.84:446:32
1713.74:466:30
1813.74:476:29
1913.74:486:27
2013.64:496:25
2113.64:506:24
2213.54:516:22
2313.54:526:20
2413.44:536:19
2513.44:556:17
2613.34:566:15
2713.34:576:14
2813.24:586:12
2913.24:596:10
3013.15:006:08
3113.15:016:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.34 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 5.43 kWh/m² in May across the year — August's 4.34 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in August

Hazard calendar for Tōbetsu

In seasonPeak

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

Tōbetsu 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 Tōbetsu?

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

6.2
Sightseeing
2nd-best month of the year
5.3
Beach & pool
1st-best month of the year

August is a reasonable time to visit Tōbetsu for sightseeing.

What to pack for Tōbetsu in August

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

In August, Tōbetsu sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes and rain gear. About 14 days see rain.

light clothesrain gear

Sea temperature near Tōbetsu in August

The nearest coast averages about 22°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 21 km away) is warmest in August at about 22°C and coldest in February near 5°C.

It's comfortable for a long swim from Jul 31 to Sep 22 — about 1.8 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb5Bracing
Mar5Bracing
Apr7Bracing
May10Bracing
Jun14Bracing
Jul19Cool
Aug22Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec9Bracing

UV index in Tōbetsu in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tōbetsu peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowAug 18UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar3Moderate
Apr6High
May7Very high
Jun7High
Jul5Moderate
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Tōbetsu 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 Tōbetsu is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1220 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb15Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun14Moderate
Jul13Moderate
Aug11Good
Sep11Good
Oct12Good
Nov10Good
Dec9Good
Location & terrain

Where is Tōbetsu?

Tōbetsu sits at 43.2°N, 141.5°E, 14 m above sea level, in Japan. The nearest listed city is Ebetsu, 12 km away.

Topography around Tōbetsu

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

Within 3 km, the terrain around Tōbetsu has only modest variations in elevation — a maximum elevation change of 76 m around an average of 15 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 414 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Tōbetsu is covered by cropland (72%) within 3 km, cropland (48%) and trees (28%) within 16 km, and trees (60%) and water (22%) within 80 km.

3 km
76 m
16 km
414 m
80 km
1,859 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Ebetsu 12 km · Ishikari 13 km · Iwamizawa 20 km · Sapporo 22 km · Kitahiroshima 27 km · Bibai 30 km · Eniwa 36 km · Otaru 42 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 Tōbetsu (43.2169°, 141.5169°, elevation 14 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).