Yamagata weather in October

In October, Yamagata sees average daytime highs of 21°C and overnight lows near 13°C, with 202 mm of rain across 11.7 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 43% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 36 min by month's end. Set against the rest of the year, October is Yamagata's 3rd-clearest and 8th-windiest month. For the whole year in context, see Yamagata's year-round climate.

Daytime high
21°
6th warmest
Overnight low
13°
8th coldest
Rainfall
202 mm
11.7 wet days
Daylight
11 h 06 min
6:05 AM – 5:11 PM
Cloud cover
53%
3rd clearest
Wind
7 km/h
8th windiest
Solar energy
3.38 kWh/m²
Travel score
6.4
out of 10

Yamagata is city in Gifu Prefecture, Japan.

Density
123/km²
people per km²
Founded
2003

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 24°C in the first days to 19°C by the end.

A typical October day in Yamagata reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52316
62315
72315
82315
92315
102315
112214
122214
132214
142214
152214
162113
172113
182113
192113
202112
212012
222012
232012
242012
252011
261911
271911
281911
291911
301910
311810

How October really feels in Yamagata

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.

Yamagata weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 789.74.49.91.0
Feb / 829.13.510.71.5
Mar12° / 15711.90.811.73.2
Apr18° / 18612.30.112.95.3
May22° / 13°21613.1013.86.2
Jun25° / 18°27515.6014.35.6
Jul29° / 22°37219.5014.24.3
Aug30° / 23°22815.7013.34.2
Sep27° / 19°29114.6012.25.7
Oct21° / 13°20211.7011.16.4
Nov15° / 1209.3010.14.9
Dec10° / 8610.32.39.62.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34654
44753
54753
64753
74852
84852
95050
105149
115248
125248
135446
145446
155545
165644
175644
185743
195743
205842
215941
225941
235941
246040
256040
266139
276139
286238
296238
306337
316238

Chance of precipitation in October

Any precipitation

Yamagata gets around 202 mm of rain over 11.7 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
244
344
443
543
642
741
840
939
1039
1138
1237
1336
1436
1536
1635
1735
1835
1935
2035
2135
2235
2335
2435
2535
2635
2734
2834
2933
3033
3132

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1233230132
2253229122
3263328112
4283328101
530332791
632332681
734332581
836332371
939322261
1042312151
1145301950
1248291840
1351291640
1453281540
1556271430
1659261230
1761251130
1865231020
196722920
207021810
217220710
227419610
237518610
247717510
258016400
268115400
278314300
288413300
298512300
308711200
318810200

Wind in October

Winds average 7 km/h in October.

Across October, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over October. Sunrise moves from 5:53 AM to 6:19 AM, and sunset from 5:31 PM to 4:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:535:31
211.65:535:30
311.65:545:28
411.55:555:27
511.55:565:25
611.55:575:24
711.45:585:23
811.45:585:21
911.35:595:20
1011.36:005:18
1111.36:015:17
1211.26:025:16
1311.26:035:14
1411.26:045:13
1511.16:045:12
1611.16:055:11
1711.16:065:09
1811.06:075:08
1911.06:085:07
2010.96:095:06
2110.96:105:04
2210.96:115:03
2310.86:125:02
2410.86:135:01
2510.86:145:00
2610.76:154:59
2710.76:164:58
2810.76:174:57
2910.66:174:55
3010.66:184:54
3110.66:194:53

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.38 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.37 kWh/m² in May across the year — October's 3.38 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in October

Hazard calendar for Yamagata

In seasonPeak

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

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

Yamagata's rainy season runs April–October, 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 October a good time to visit Yamagata?

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

6.4
Sightseeing
1st-best month of the year
4.1
Beach & pool
6th-best month of the year

October is a reasonable time to visit Yamagata for sightseeing.

What to pack for Yamagata in October

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

In October, Yamagata sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Yamagata in October

The nearest coast averages about 22°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 68 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Nov 9 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Yamagata in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yamagata peaks around July 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 15UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Yamagata 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 Yamagata is worst in April — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1125 µg/m³Aug 1817 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr26Moderate
May25Moderate
Jun21Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Yamagata?

Yamagata sits at 35.5°N, 136.8°E, 156 m above sea level, in Japan. The nearest listed city is Gifu, 6.0 km away.

Topography around Yamagata

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

Within 3 km, the terrain around Yamagata has significant variations in elevation — a maximum elevation change of 397 m around an average of 83 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 689 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,037 m.

The land around Yamagata is covered by trees (60%) and artificial surfaces (30%) within 3 km, trees (48%) and artificial surfaces (33%) within 16 km, and trees (70%) within 80 km.

3 km
397 m
16 km
689 m
80 km
3,037 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Gifu 6.0 km · Motosu 9.0 km · Kitagata 9.0 km · Ginan 10 km · Kakamigahara 11 km · Kasamatsuchō 12 km · Kurono 13 km · Mizuho 13 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 Yamagata (35.4762°, 136.7721°, elevation 156 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).