Nayoro weather in August

In August, Nayoro sees average daytime highs of 23°C and overnight lows near 15°C, with 149 mm of rain across 14.5 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 14% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 30 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Nayoro's 8th-clearest and 11th-windiest month. For the whole year in context, see Nayoro's year-round climate.

Daytime high
23°
1st warmest
Overnight low
15°
12th coldest
Rainfall
149 mm
14.5 wet days
Daylight
13 h 54 min
4:38 AM – 6:30 PM
Cloud cover
74%
8th clearest
Wind
8 km/h
11th windiest
Solar energy
4.11 kWh/m²
Travel score
5.8
out of 10

Nayoro is city in Hokkaido, Japan.

Density
51/km²
people per km²
Founded
2006

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 22°C by the end.

A typical August day in Nayoro reaches about 23°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82316
92316
102316
112316
122316
132316
142316
152316
162316
172315
182315
192315
202315
212315
222315
232315
242315
252215
262214
272214
282214
292214
302214
312214

How August really feels in Nayoro

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.

Nayoro 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-5° / -12°6114.719.190.0
Feb-4° / -12°5212.516.310.20.0
Mar / -7°6914.215.611.60.0
Apr / -1°7413.57.813.21.3
May15° / 8912.90.914.64.1
Jun19° / 10°9112.8015.35.4
Jul22° / 14°13614.60155.8
Aug23° / 15°14914.5013.85.8
Sep19° / 10°13914.9012.35.2
Oct13° / 11615.61.410.83.0
Nov / -3°11418.214.19.40.3
Dec-3° / -9°901821.88.70.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32674
42773
52773
62773
72773
82773
92674
102674
112674
122575
132575
142575
152674
162674
172674
182674
192674
202773
212773
222773
232872
242872
253070
263070
273169
283169
293268
303268
313367

Chance of precipitation in August

Any precipitation

Nayoro gets around 149 mm of rain over 14.5 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 48% and peaks near 50% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
148
248
348
447
547
647
747
847
948
1048
1148
1249
1349
1450
1550
1650
1750
1850
1950
2049
2149
2248
2347
2447
2547
2647
2746
2846
2947
3047
3147

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 27% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
191932345
291932346
391932346
492032336
592032336
6102032326
792132326
892232315
992333315
1092333305
1192433294
1292534284
1392635274
1492635264
15102636253
16102736243
17112737233
18112737222
19122837212
20132837202
21142838192
22152938172
23162938161
24172937151
25183037151
26193036141
27203036131
28213135131
29233133121
30243232111
31263231111

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 30 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 84 minutes over August. Sunrise moves from 4:21 AM to 4:56 AM, and sunset from 6:51 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:216:51
214.54:226:50
314.44:236:49
414.44:246:48
514.34:266:46
614.34:276:45
714.34:286:44
814.24:296:42
914.24:306:41
1014.14:316:39
1114.14:336:38
1214.04:346:36
1314.04:356:35
1414.04:366:33
1513.94:376:32
1613.94:386:30
1713.84:406:28
1813.84:416:27
1913.74:426:25
2013.74:436:24
2113.64:446:22
2213.64:466:20
2313.54:476:18
2413.54:486:17
2513.44:496:15
2613.44:506:13
2713.34:526:11
2813.34:536:10
2913.24:546:08
3013.24:556:06
3113.14:566:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.11 kWh/m².

For context, solar energy here swings from a low near 1.48 kWh/m² to a high of 5.29 kWh/m² in May across the year — August's 4.11 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.2Bright
104.2Bright
114.2Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Bright
194.0Bright
204.0Moderate
214.0Moderate
224.0Moderate
234.0Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in August

Hazard calendar for Nayoro

In seasonPeak

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

Nayoro 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 Nayoro?

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

5.8
Sightseeing
1st-best month of the year
4.5
Beach & pool
1st-best month of the year

August is a reasonable time to visit Nayoro for sightseeing.

What to pack for Nayoro in August

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

In August, Nayoro sees daytime highs around 23°C and nights near 15°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Nayoro 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 45 km away) is warmest in August at about 18°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
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr2Bracing
May5Bracing
Jun10Bracing
Jul14Bracing
Aug18Cool
Sep17Cool
Oct13Bracing
Nov7Bracing
Dec3Bracing

UV index in Nayoro 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 Nayoro peaks around August 14 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 highHighModerateLowAug 14UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr6High
May7Very high
Jun7High
Jul7Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Nayoro 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 Nayoro is worst in April — around 17 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1516 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar15Moderate
Apr17Moderate
May15Moderate
Jun10Good
Jul10Good
Aug8Good
Sep7Good
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Nayoro?

Nayoro sits at 44.4°N, 142.5°E, 97 m above sea level, in Japan. The nearest listed city is Minamishibetsuchō, 23 km away.

Topography around Nayoro

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

Within 3 km, the terrain around Nayoro has only modest variations in elevation — a maximum elevation change of 173 m around an average of 109 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 916 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,225 m.

The land around Nayoro is covered by cropland (39%), artificial surfaces (26%) and trees (25%) within 3 km, trees (71%) and cropland (23%) within 16 km, and trees (68%) and water (21%) within 80 km.

3 km
173 m
16 km
916 m
80 km
2,225 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Minamishibetsuchō 23 km · Asahikawa 65 km · Mombetsu 71 km · Fukagawa 79 km · Rumoi 80 km · Engaru 93 km · Ashibetsu 96 km · Takikawa 99 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 Nayoro (44.3506°, 142.4578°, elevation 97 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).