Nakashibetsu weather in August

In August, Nakashibetsu sees average daytime highs of 22°C and overnight lows near 16°C, with 138 mm of rain across 12.3 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 22°C through the month. The sky is clear or mostly clear about 12% of the time in August, and the air most often feels comfortable.

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 Nakashibetsu's 11th-clearest and 11th-windiest month. For the whole year in context, see Nakashibetsu's year-round climate.

Daytime high
22°
1st warmest
Overnight low
16°
12th coldest
Rainfall
138 mm
12.3 wet days
Daylight
13 h 48 min
4:30 AM – 6:18 PM
Cloud cover
79%
11th clearest
Wind
10 km/h
11th windiest
Solar energy
4.05 kWh/m²
Travel score
6.0
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical August day in Nakashibetsu reaches about 22°C in the afternoon and slips back to 16°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12216
22216
32216
42216
52216
62216
72216
82216
92216
102216
112216
122216
132216
142216
152216
162216
172216
182216
192216
202216
212216
222216
232216
242216
252216
262215
272215
282215
292215
302215
312215

How August really feels in Nakashibetsu

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.

Nakashibetsu 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-3° / -11°547.37.59.10.0
Feb-2° / -12°436.47.310.20.0
Mar / -7°739.58.411.60.0
Apr / -0°8410.94.213.21.7
May14° / 9011.20.514.54.0
Jun17° / 10°749.5015.25.3
Jul21° / 14°10710.4014.96.0
Aug22° / 16°13812.3013.86.0
Sep20° / 13°15212012.35.7
Oct14° / 116100.110.84.3
Nov / 789.42.49.51.3
Dec / -6°728.46.58.80.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32179
42179
52179
62179
72179
82179
92179
102179
112179
122179
131981
141981
151981
161981
172080
182080
192080
202080
212179
222278
232278
242476
252476
262476
272674
282674
292674
302674
312872

Chance of precipitation in August

Any precipitation

Nakashibetsu gets around 138 mm of rain over 12.3 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 40% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
439
540
640
740
840
940
1040
1140
1240
1340
1441
1541
1641
1741
1841
1940
2040
2140
2240
2340
2440
2540
2640
2740
2840
2940
3041
3141

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11621262710
21621262710
31621262711
41621262711
51521262711
61522262711
71522262611
81423262610
91424272610
101325272510
11132727249
12122827249
13122928248
14113028238
15113128237
16113128237
17113228236
18113228235
19123328225
20123328225
21123328224
22133428224
23143428223
24143428213
25153428213
26163327213
27163327203
28173327202
29183327192
30193327192
31193327182

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 4:13 AM to 4:47 AM, and sunset from 6:39 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:136:39
214.44:146:38
314.44:156:37
414.34:166:35
514.34:186:34
614.24:196:33
714.24:206:32
814.24:216:30
914.14:226:29
1014.14:236:27
1114.04:246:26
1214.04:256:25
1313.94:276:23
1413.94:286:22
1513.94:296:20
1613.84:306:18
1713.84:316:17
1813.74:326:15
1913.74:336:14
2013.64:356:12
2113.64:366:10
2213.54:376:09
2313.54:386:07
2413.44:396:05
2513.44:406:04
2613.34:416:02
2713.34:436:00
2813.24:445:58
2913.24:455:57
3013.14:465:55
3113.14:475:53

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.05 kWh/m².

For context, solar energy here swings from a low near 1.74 kWh/m² to a high of 5.17 kWh/m² in May across the year — August's 4.05 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.2Bright
84.2Bright
94.2Bright
104.1Bright
114.1Bright
124.1Bright
134.0Bright
144.0Bright
154.0Moderate
164.0Moderate
174.0Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in August

Hazard calendar for Nakashibetsu

In seasonPeak

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

Nakashibetsu 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 Nakashibetsu?

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

6.0
Sightseeing
1st-best month of the year
4.2
Beach & pool
1st-best month of the year

August is a reasonable time to visit Nakashibetsu for sightseeing.

What to pack for Nakashibetsu in August

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

In August, Nakashibetsu sees daytime highs around 22°C and nights near 16°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Nakashibetsu 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 at the nearest coast (about 15 km away) is warmest in September at about 17°C and coldest in February near -0°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
Jan2Bracing
Feb0Bracing
Mar0Bracing
Apr2Bracing
May5Bracing
Jun9Bracing
Jul13Bracing
Aug17Cool
Sep17Cool
Oct14Bracing
Nov10Bracing
Dec5Bracing

UV index in Nakashibetsu 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 Nakashibetsu peaks around August 17 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highModerateLowAug 17UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May7Very high
Jun7High
Jul6High
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Nakashibetsu?

Nakashibetsu sits at 43.5°N, 145.0°E, 31 m above sea level, in Japan. The nearest listed city is Shibetsu, 18 km away.

EngaruSarubetsu

Topography around Nakashibetsu

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

Within 3 km, the terrain around Nakashibetsu has only modest variations in elevation — a maximum elevation change of 70 m around an average of 52 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 977 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,608 m.

The land around Nakashibetsu is covered by trees (47%), grassland (21%) and artificial surfaces (20%) within 3 km, trees (42%), cropland (36%) and grassland (20%) within 16 km, and water (47%) and trees (37%) within 80 km.

3 km
70 m
16 km
977 m
80 km
1,608 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Shibetsu 18 km · Nemuro 55 km · Motomachi 77 km · Abashiri 77 km · Kushiro 80 km · Kitami 91 km · Engaru 127 km · Sarubetsu 152 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 Nakashibetsu (43.5485°, 144.9718°, elevation 31 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).