Kofu weather in October

In October, Kofu sees average daytime highs of 17°C and overnight lows near 8°C, with 186 mm of rain across 13 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 14°C by the end. The sky is clear or mostly clear about 32% 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 Kofu's 6th-clearest and 8th-windiest month. For the whole year in context, see Kofu's year-round climate.

Daytime high
17°
6th warmest
Overnight low
7th coldest
Rainfall
186 mm
13 wet days
Daylight
11 h 06 min
5:58 AM – 5:03 PM
Cloud cover
60%
6th clearest
Wind
5 km/h
8th windiest
Solar energy
3.23 kWh/m²
Travel score
4.9
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 14°C by the end.

A typical October day in Kofu reaches about 17°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 20°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11912
21911
31911
41911
51911
61811
71810
81810
91810
101810
111810
12179
13179
14179
15179
16178
17168
18168
19168
20168
21167
22157
23157
24157
25156
26156
27156
28146
29145
30145
31145

How October really feels in Kofu

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.

Kofu weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°646.879.90.0
Feb / -6°727.96.510.70.0
Mar / -3°12512.87.611.70.9
Apr13° / 12112.62.112.93.5
May18° / 13012.80.113.95.4
Jun21° / 13°17716.3014.45.2
Jul25° / 17°19917.4014.25.4
Aug26° / 18°13916.8013.35.6
Sep22° / 15°18514.6012.25.7
Oct17° / 18613011.14.9
Nov11° / 859.20.510.12.8
Dec / -3°607.44.29.60.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43664
53862
63961
73961
84060
94159
104159
114258
124357
134357
144555
154654
164753
174753
184951
194951
205050
215248
225347
235446
245545
255644
265743
275941
286040
296139
306238
316238

Chance of precipitation in October

Any precipitation

Kofu gets around 186 mm of rain over 13 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 41% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
251
350
450
549
649
748
847
947
1046
1145
1244
1343
1442
1541
1641
1740
1839
1939
2038
2138
2237
2336
2436
2535
2634
2734
2833
2932
3032
3131

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
170255
272244
374233
475223
577212
678202
779192
880182
983161
1084151
1185141
1287121
1388111
1489101
159091
169181
179271
189460
199550
209640
219730
229730
239820
249820
259820
269910
279910
289910
299910
309910
319910

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:45 AM to 6:13 AM, and sunset from 5:24 PM to 4:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:455:24
211.65:465:23
311.65:475:21
411.55:485:20
511.55:495:18
611.55:505:17
711.45:505:15
811.45:515:14
911.35:525:13
1011.35:535:11
1111.35:545:10
1211.25:555:08
1311.25:565:07
1411.25:575:06
1511.15:575:04
1611.15:585:03
1711.05:595:02
1811.06:005:01
1911.06:014:59
2010.96:024:58
2110.96:034:57
2210.96:044:56
2310.86:054:55
2410.86:064:53
2510.86:074:52
2610.76:084:51
2710.76:094:50
2810.76:104:49
2910.66:114:48
3010.66:124:47
3110.66:134:46

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.23 kWh/m².

For context, solar energy here swings from a low near 2.63 kWh/m² to a high of 5.51 kWh/m² in May across the year — October's 3.23 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.2Moderate
183.2Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.2Moderate
253.1Moderate
263.1Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in October

Is October a good time to visit Kofu?

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

4.9
Sightseeing
6th-best month of the year
1.0
Beach & pool
6th-best month of the year

October is a reasonable time to visit Kofu for sightseeing.

What to pack for Kofu in October

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

In October, Kofu sees daytime highs around 17°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Kofu in October

The nearest coast averages about 23°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 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 30 to Nov 23 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Kofu 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 Kofu peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 14UV 11Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Kofu 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 Kofu is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct12Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Kofu?

Kofu sits at 35.7°N, 138.6°E, 275 m above sea level, in Japan. The nearest listed city is Shōwa, 5.0 km away.

Topography around Kofu

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

Within 3 km, the terrain around Kofu has significant variations in elevation — a maximum elevation change of 408 m around an average of 306 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,516 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,735 m.

The land around Kofu is covered by artificial surfaces (74%) and trees (21%) within 3 km, trees (56%) and artificial surfaces (23%) within 16 km, and trees (80%) within 80 km.

3 km
408 m
16 km
1,516 m
80 km
3,735 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Shōwa 5.0 km · Kai 6.0 km · Isawa 6.0 km · Ryūō 6.0 km · Fuefuki 7.0 km · Chūō 10 km · Minami-Alps 11 km · Nirasaki 11 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 Kofu (35.6667°, 138.5667°, elevation 275 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).