Yakumo weather in October

In October, Yakumo sees average daytime highs of 14°C and overnight lows near 10°C, with 115 mm of precipitation across 12.8 wet days and about 10.8 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 10°C by the end. The sky is clear or mostly clear about 33% 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 12 min by month's end. Set against the rest of the year, October is Yakumo's 1st-clearest and 6th-windiest month. For the whole year in context, see Yakumo's year-round climate.

Daytime high
14°
5th warmest
Overnight low
10°
8th coldest
Precipitation
115 mm
12.8 wet days
Daylight
10 h 48 min
5:59 AM – 4:49 PM
Cloud cover
56%
1st clearest
Wind
15 km/h
6th windiest
Solar energy
2.98 kWh/m²
Travel score
3.7
out of 10

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 10°C by the end.

A typical October day in Yakumo reaches about 14°C in the afternoon and slips back to 10°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 17°C. Set against its neighbours, October runs about 6°C cooler than September and about 7°C warmer than November.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11714
21714
31713
41713
51713
61613
71613
81612
91612
101512
111511
121511
131511
141411
151410
161410
171310
18139
19139
20139
21128
22128
23128
24118
25117
26117
27117
28107
29106
30106
31106

How October really feels in Yakumo

Once humidity and wind are folded in, October 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

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Yakumo weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -5°6012.7179.30.0
Feb-1° / -4°569.912.410.30.0
Mar / -2°65118.811.60.0
Apr / 8510.52.313.10.5
May11° / 11611.6014.42.7
Jun16° / 13°11211.60154.8
Jul20° / 17°17214.8014.85.5
Aug22° / 19°20013.7013.76.0
Sep20° / 17°17613.1012.35.7
Oct14° / 10°11512.8010.83.7
Nov / 9712.94.79.60.6
Dec / -2°8413.614.790.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of October, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34753
44852
54852
64951
74951
85050
95149
105248
115347
125446
135446
145446
155545
165545
175644
185545
195545
205545
215545
225545
235644
245644
255644
265545
275545
285545
295545
305446
315446

Chance of precipitation in October

Any precipitationSnow

Yakumo gets around 115 mm of rain and snow over 12.8 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 41% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1440
2440
3440
4440
5440
6440
7440
8430
9430
10420
11420
12410
13410
14410
15400
16400
17400
18390
19390
20390
21390
22390
23390
24391
25401
26401
27401
28401
29401
30402
31402

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
162317
265296
367285
470264
571254
674233
776213
879192
981172
1082162
1185141
1286131
1388111
1489101
159091
169181
179271
189361
199460
209550
219640
229730
239730
249820
259820
269910
279910
289910
299910
309910
3110000

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 5:41 AM to 6:17 AM, and sunset from 5:14 PM to 4:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:415:14
211.55:435:13
311.55:445:11
411.45:455:09
511.45:465:07
611.35:475:06
711.35:485:04
811.25:495:02
911.25:515:00
1011.15:524:59
1111.15:534:57
1211.05:544:55
1311.05:554:54
1410.95:574:52
1510.95:584:51
1610.85:594:49
1710.86:004:47
1810.76:014:46
1910.76:034:44
2010.66:044:43
2110.66:054:41
2210.66:064:40
2310.56:074:38
2410.56:094:37
2510.46:104:35
2610.46:114:34
2710.36:124:33
2810.36:144:31
2910.36:154:30
3010.26:164:29
3110.26:174:27

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.98 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 5.4 kWh/m² in May across the year — October's 2.98 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in October

Hazard calendar for Yakumo

In seasonPeak

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

Yakumo 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 October a good time to visit Yakumo?

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

3.7
Sightseeing
5th-best month of the year
0.3
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Yakumo.

What to pack for Yakumo in October

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

In October, Yakumo sees daytime highs around 14°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Yakumo 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 16 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 5 to Sep 17 — about 1.4 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 Yakumo 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 Yakumo 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 Yakumo 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 Yakumo 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 1417 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar16Moderate
Apr17Moderate
May15Moderate
Jun9Good
Jul8Good
Aug8Good
Sep7Good
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Yakumo?

Yakumo sits at 42.3°N, 140.3°E, 9 m above sea level, in Japan. The nearest listed city is Honchō, 53 km away.

Topography around Yakumo

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

Within 3 km, the terrain around Yakumo has only modest variations in elevation — a maximum elevation change of 85 m around an average of 17 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 963 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,867 m.

The land around Yakumo is covered by cropland (49%) and water (22%) within 3 km, trees (59%) and water (30%) within 16 km, and water (54%) and trees (41%) within 80 km.

3 km
85 m
16 km
963 m
80 km
1,867 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Honchō 53 km · Date 55 km · Hokuto 57 km · Kamiiso 57 km · Muroran 60 km · Hakodate 66 km · Niseko 71 km · Noboribetsu 78 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 Yakumo (42.2539°, 140.2692°, elevation 9 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).