Honchō weather in August

In August, Honchō sees average daytime highs of 23°C and overnight lows near 19°C, with 167 mm of rain across 12.7 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 18% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Honchō's 11th-clearest and 10th-windiest month. For the whole year in context, see Honchō's year-round climate.

Daytime high
23°
1st warmest
Overnight low
19°
12th coldest
Rainfall
167 mm
12.7 wet days
Daylight
13 h 42 min
4:50 AM – 6:32 PM
Cloud cover
73%
11th clearest
Wind
9 km/h
10th windiest
Solar energy
4.2 kWh/m²
Travel score
6.2
out of 10

Honchō is town in Kameda district, Hokkaidō, Japan.

Density
132/km²
people per km²
Founded
1957

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 23°C through the month.

A typical August day in Honchō reaches about 23°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C warmer than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12319
22419
32419
42419
52419
62419
72419
82419
92419
102419
112419
122419
132419
142419
152419
162419
172419
182419
192319
202319
212319
222319
232319
242319
252319
262319
272318
282318
292318
302318
312318

How August really feels in Honchō

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.

Honchō 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° / -5°527.89.19.30.0
Feb-0° / -6°497.17.210.30.0
Mar / -3°6410.17.711.70.0
Apr / 739.82.313.11.9
May14° / 9211.10.114.34.0
Jun18° / 12°869.70155.5
Jul21° / 16°12811.6014.76.0
Aug23° / 19°16712.7013.76.2
Sep21° / 16°17013.4012.35.8
Oct15° / 10411.90.110.94.4
Nov / 8211.62.69.61.3
Dec / -3°689.69.190.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
42971
53070
63070
72971
82971
92971
102971
112872
122971
132971
142872
152773
162872
172872
182872
193070
203070
213070
223169
233169
243169
253268
263268
273268
283268
293268
303268
313367

Chance of precipitation in August

Any precipitation

Honchō gets around 167 mm of rain over 12.7 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 41% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
137
237
337
438
538
638
739
839
939
1040
1140
1240
1341
1441
1541
1642
1742
1842
1942
2042
2143
2243
2343
2443
2544
2644
2744
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 37% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1112283920
2111283921
3111283922
4110283822
5110283823
619293823
719293823
819303823
918313722
1018313722
1128323722
1227333721
1327333721
1427333720
1527343720
1628343719
1728343718
1829343718
19210343717
20211343716
21211343715
22212343715
23313343614
24313343614
25314343613
26315353512
27316353512
28316363411
29317363311
30418363210
31419373110

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 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
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
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 4:35 AM to 5:06 AM, and sunset from 6:52 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:356:52
214.34:366:51
314.24:376:50
414.24:386:49
514.14:396:47
614.14:406:46
714.14:416:45
814.04:426:44
914.04:436:42
1014.04:446:41
1113.94:456:40
1213.94:466:38
1313.84:476:37
1413.84:486:35
1513.74:496:34
1613.74:506:32
1713.74:516:31
1813.64:526:29
1913.64:536:28
2013.54:546:26
2113.54:566:25
2213.44:576:23
2313.44:586:22
2413.44:596:20
2513.35:006:18
2613.35:016:17
2713.25:026:15
2813.25:036:13
2913.15:046:12
3013.15:056:10
3113.05:066:08

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.2 kWh/m².

For context, solar energy here swings from a low near 1.78 kWh/m² to a high of 5.43 kWh/m² in May across the year — August's 4.2 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.0Bright
284.0Bright
294.0Bright
304.0Bright
314.0Moderate
Planning a trip in August

Hazard calendar for Honchō

In seasonPeak

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

Honchō sits in the Pacific typhoon belt; the season peaks July–October.

Honchō's rainy season runs May–November, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Honchō?

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
5.0
Beach & pool
1st-best month of the year

August is a reasonable time to visit Honchō for sightseeing.

What to pack for Honchō in August

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

In August, Honchō sees daytime highs around 23°C and nights near 19°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Honchō in August

The nearest coast averages about 21°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 26 km away) is warmest in August at about 21°C and coldest in February near 4°C.

It's comfortable for a long swim from Aug 7 to Sep 16 — about 1.3 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan7Bracing
Feb4Bracing
Mar4Bracing
Apr6Bracing
May9Bracing
Jun14Bracing
Jul18Cool
Aug21Refreshing
Sep20Refreshing
Oct17Cool
Nov12Bracing
Dec9Bracing

UV index in Honchō 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 Honchō peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highHighVery highHighModerateLowAug 18UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May8Very high
Jun7High
Jul5Moderate
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Honchō 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 Honchō is worst in April — around 17 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1216 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar16Moderate
Apr17Moderate
May14Moderate
Jun9Good
Jul8Good
Aug8Good
Sep8Good
Oct9Good
Nov8Good
Dec6Good
Location & terrain

Where is Honchō?

Honchō sits at 41.9°N, 140.7°E, 72 m above sea level, in Japan. The nearest listed city is Kamiiso, 9.0 km away.

Topography around Honchō

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

Within 3 km, the terrain around Honchō has significant variations in elevation — a maximum elevation change of 527 m around an average of 110 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,164 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,258 m.

The land around Honchō is covered by trees (39%) and cropland (35%) within 3 km, trees (68%) within 16 km, and water (62%) and trees (35%) within 80 km.

3 km
527 m
16 km
1,164 m
80 km
1,258 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Kamiiso 9.0 km · Hokuto 10 km · Hakodate 14 km · Muroran 53 km · Yakumo 53 km · Date 65 km · Noboribetsu 74 km · Mutsu 80 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 Honchō (41.8944°, 140.6939°, elevation 72 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).