Asahikawa weather in October

In October, Asahikawa sees average daytime highs of 14°C and overnight lows near 5°C, with 115 mm of precipitation across 15.6 wet days and about 10.8 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 11°C by the end. The sky is clear or mostly clear about 22% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 h 06 min by month's end. Set against the rest of the year, October is Asahikawa's 1st-clearest and 4th-windiest month. For the whole year in context, see Asahikawa's year-round climate.

Daytime high
14°
6th warmest
Overnight low
7th coldest
Precipitation
115 mm
15.6 wet days
Daylight
10 h 48 min
5:52 AM – 4:39 PM
Cloud cover
62%
1st clearest
Wind
9 km/h
4th windiest
Solar energy
2.67 kWh/m²
Travel score
3.5
out of 10

Asahikawa is city in Hokkaido, Japan.

Density
446/km²
people per km²
Founded
1877

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 11°C by the end.

A typical October day in Asahikawa reaches about 14°C in the afternoon and slips back to 5°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 18°C. Set against its neighbours, October runs about 7°C cooler than September and about 8°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1178
2178
3177
4177
5167
6167
7167
8166
9156
10156
11156
12155
13155
14145
15145
16145
17144
18134
19134
20134
21134
22133
23123
24123
25123
26123
27113
28113
29112
30112
31102

How October really feels in Asahikawa

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 5 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
5
wind chill below the day's low

The story in October is cold — wind chill drags the overnight "feels like" below the raw low.

Asahikawa weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -12°571520.49.10.0
Feb-2° / -11°501317.110.20.0
Mar / -6°6714.915.711.60.0
Apr10° / 7713.65.813.22.1
May16° / 91130.414.54.8
Jun20° / 12°9012.4015.25.8
Jul24° / 16°14714.4014.96.0
Aug24° / 17°17115013.85.9
Sep20° / 12°14314.4012.35.6
Oct14° / 11515.61.210.83.5
Nov / -2°10718.412.39.50.5
Dec-1° / -9°8317.321.78.80.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of October, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24357
34357
44357
54357
64456
74555
84555
94555
104753
114852
124852
134852
144852
154951
164951
174852
184852
194852
204852
214852
224753
234753
244555
254555
264456
274456
284357
294258
304258
314258

Chance of precipitation in October

Any precipitationSnow

Asahikawa gets around 115 mm of rain and snow over 15.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 50% and peaks near 56% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1500
2500
3500
4500
5500
6500
7501
8501
9501
10501
11491
12491
13482
14482
15482
16483
17483
18483
19484
20485
21495
22496
23507
24508
25519
265210
275211
285312
295413
305514
315615

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19181
29370
39460
49550
59550
69640
79730
89730
99820
109910
119910
129910
1310000
1410000
1510000
1610000
1710000
1810000
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000
3110000

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 8 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
18calm
28calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 5:34 AM to 6:12 AM, and sunset from 5:05 PM to 4:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:345:05
211.55:355:03
311.45:365:02
411.45:375:00
511.35:394:58
611.35:404:56
711.25:414:54
811.25:424:52
911.15:444:51
1011.15:454:49
1111.05:464:47
1211.05:474:45
1310.95:494:44
1410.95:504:42
1510.85:514:40
1610.85:524:39
1710.75:544:37
1810.75:554:35
1910.65:564:34
2010.65:584:32
2110.55:594:31
2210.56:004:29
2310.46:024:27
2410.46:034:26
2510.36:044:24
2610.36:064:23
2710.26:074:22
2810.26:084:20
2910.26:094:19
3010.16:114:17
3110.16:124:16

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.67 kWh/m².

For context, solar energy here swings from a low near 1.53 kWh/m² to a high of 5.25 kWh/m² in May across the year — October's 2.67 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.0Moderate
53.0Moderate
63.0Moderate
73.0Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.4Moderate
252.4Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.2Moderate
302.2Moderate
312.1Moderate
Planning a trip in October

Is October a good time to visit Asahikawa?

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

3.5
Sightseeing
6th-best month of the year
0.3
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Asahikawa.

What to pack for Asahikawa in October

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

In October, Asahikawa sees daytime highs around 14°C and nights near 5°C. Pack rain gear. Worth having: a warm layer. About 16 days see rain.

rain geara warm layer

Sea temperature near Asahikawa in October

The nearest coast averages about 17°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 60 km away) is warmest in August at about 21°C and coldest in February near 5°C.

It's comfortable for a long swim from Aug 3 to Sep 20 — about 1.6 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan6Bracing
Feb5Bracing
Mar5Bracing
Apr7Bracing
May10Bracing
Jun14Bracing
Jul18Cool
Aug21Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec9Bracing

UV index in Asahikawa in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Asahikawa peaks around August 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 16UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr6High
May7Very high
Jun7Very high
Jul6High
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Asahikawa in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Asahikawa is worst in April — around 17 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1517 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar16Moderate
Apr17Moderate
May15Moderate
Jun11Good
Jul11Good
Aug9Good
Sep8Good
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Asahikawa?

Asahikawa sits at 43.8°N, 142.4°E, 121 m above sea level, in Japan. The nearest listed city is Fukagawa, 27 km away.

Topography around Asahikawa

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

Within 3 km, the terrain around Asahikawa has only modest variations in elevation — a maximum elevation change of 64 m around an average of 115 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 755 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,253 m.

The land around Asahikawa is covered by artificial surfaces (77%) within 3 km, trees (51%) and cropland (31%) within 16 km, and trees (81%) within 80 km.

3 km
64 m
16 km
755 m
80 km
2,253 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Fukagawa 27 km · Ashibetsu 32 km · Minamishibetsuchō 43 km · Takikawa 44 km · Furano 47 km · Shimo-furano 47 km · Sunagawa 49 km · Rumoi 61 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 Asahikawa (43.7706°, 142.3649°, elevation 121 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. 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).