Sarubetsu weather in August

In August, Sarubetsu sees average daytime highs of 24°C and overnight lows near 17°C, with 159 mm of rain across 13.1 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 24°C through the month. The sky is clear or mostly clear about 15% 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 Sarubetsu's 11th-clearest and 11th-windiest month. For the whole year in context, see Sarubetsu's year-round climate.

Daytime high
24°
1st warmest
Overnight low
17°
12th coldest
Rainfall
159 mm
13.1 wet days
Daylight
13 h 48 min
4:38 AM – 6:24 PM
Cloud cover
75%
11th clearest
Wind
6 km/h
11th windiest
Solar energy
3.85 kWh/m²
Travel score
6.2
out of 10

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 Sarubetsu reaches about 24°C in the afternoon and slips back to 17°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°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°35°151015202531
Avg high (°C)Avg low (°C)
12417
22417
32417
42417
52417
62417
72417
82417
92417
102417
112417
122417
132417
142417
152417
162417
172417
182417
192317
202317
212316
222316
232316
242316
252316
262316
272316
282316
292316
302316
312315

How August really feels in Sarubetsu

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.

Sarubetsu 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-2° / -13°616.77.19.20.0
Feb-1° / -12°487.27.710.20.0
Mar / -6°779.78.211.60.1
Apr11° / 8810.84.113.12.6
May16° / 10010.80.414.45.0
Jun19° / 11°899.8015.15.9
Jul22° / 15°11411.3014.86.2
Aug24° / 17°15913.1013.86.2
Sep21° / 12°17112.5012.35.9
Oct15° / 11510.20.110.84.7
Nov / -1°819.42.29.51.5
Dec / -9°7686.68.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52575
62575
72575
82575
92476
102575
112575
122476
132476
142575
152575
162575
172773
182773
192872
202872
213070
223169
233169
243268
253268
263466
273466
283565
293466
303466
313466

Chance of precipitation in August

Any precipitation

Sarubetsu gets around 159 mm of rain over 13.1 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 43% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
138
239
339
440
540
641
741
842
942
1043
1143
1244
1344
1444
1545
1645
1745
1844
1944
2044
2143
2243
2343
2443
2543
2643
2743
2843
2943
3043
3143

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1919283311
2919283311
3918283311
4918283312
5918283312
6918293311
7918293311
8918303211
9918313210
10918323110
1191932319
1281933309
1382034308
1482034298
1582135297
1682136287
1782236276
1882336276
1982437265
2092537255
2192636255
2292636244
23102736234
24102835234
25102935223
26112935223
27113034213
28123034213
29133134202
30143133192
31153233182

Wind in August

Winds average 6 km/h in August.

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 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 4:21 AM to 4:55 AM, and sunset from 6:44 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:216:44
214.34:236:43
314.34:246:42
414.34:256:40
514.24:266:39
614.24:276:38
714.14:286:37
814.14:296:35
914.14:306:34
1014.04:316:32
1114.04:326:31
1213.94:336:30
1313.94:346:28
1413.94:366:27
1513.84:376:25
1613.84:386:24
1713.74:396:22
1813.74:406:21
1913.64:416:19
2013.64:426:17
2113.54:436:16
2213.54:446:14
2313.44:466:13
2413.44:476:11
2513.44:486:09
2613.34:496:08
2713.34:506:06
2813.24:516:04
2913.24:526:02
3013.14:536:01
3113.14:555:59

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.85 kWh/m².

For context, solar energy here swings from a low near 1.93 kWh/m² to a high of 5.16 kWh/m² in May across the year — August's 3.85 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.0Bright
84.0Moderate
94.0Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
313.6Moderate
Planning a trip in August

Hazard calendar for Sarubetsu

In seasonPeak

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

Sarubetsu 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 Sarubetsu?

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

6.2
Sightseeing
1st-best month of the year
5.1
Beach & pool
1st-best month of the year

August is a reasonable time to visit Sarubetsu for sightseeing.

What to pack for Sarubetsu in August

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

In August, Sarubetsu sees daytime highs around 24°C and nights near 17°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Sarubetsu in August

The nearest coast averages about 18°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 36 km away) is warmest in August at about 18°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
Jun11Bracing
Jul15Cool
Aug18Cool
Sep17Cool
Oct14Bracing
Nov10Bracing
Dec7Bracing

UV index in Sarubetsu 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 Sarubetsu peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 18UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May7Very high
Jun7Very high
Jul5Moderate
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Sarubetsu 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 Sarubetsu is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1315 µg/m³Dec 176 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar14Moderate
Apr15Moderate
May13Moderate
Jun9Good
Jul9Good
Aug8Good
Sep7Good
Oct8Good
Nov7Good
Dec6Good
Location & terrain

Where is Sarubetsu?

Sarubetsu sits at 42.9°N, 143.3°E, 25 m above sea level, in Japan. The nearest listed city is Obihiro, 12 km away.

Topography around Sarubetsu

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

Within 3 km, the terrain around Sarubetsu has only modest variations in elevation — a maximum elevation change of 155 m around an average of 86 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 333 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.

The land around Sarubetsu is covered by cropland (52%) and trees (40%) within 3 km, trees (43%) and cropland (42%) within 16 km, and trees (65%) within 80 km.

3 km
155 m
16 km
333 m
80 km
2,032 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Obihiro 12 km · Otofuke 17 km · Memuro-minami 25 km · Kushiro 85 km · Furano 94 km · Shimo-furano 94 km · Shizunai-furukawachō 99 km · Kitami 113 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 Sarubetsu (42.8724°, 143.3376°, 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).