Kamisu weather in October

In October, Kamisu sees average daytime highs of 20°C and overnight lows near 18°C, with 232 mm of rain across 13.9 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 34% 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 30 min by month's end. Set against the rest of the year, October is Kamisu's 6th-clearest and 5th-windiest month. For the whole year in context, see Kamisu's year-round climate.

Daytime high
20°
5th warmest
Overnight low
18°
8th coldest
Rainfall
232 mm
13.9 wet days
Daylight
11 h 06 min
5:50 AM – 4:55 PM
Cloud cover
60%
6th clearest
Wind
19 km/h
5th windiest
Solar energy
3.12 kWh/m²
Travel score
5.8
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 19°C by the end.

A typical October day in Kamisu reaches about 20°C in the afternoon and slips back to 18°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 23°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12220
22220
32220
42220
52220
62219
72219
82119
92119
102119
112119
122119
132119
142118
152018
162018
172018
182018
192018
202017
212017
222017
231917
241917
251917
261916
271916
281916
291916
301916
311916

Kamisu weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 899.30.29.82.1
Feb / 849.20.610.62.0
Mar12° / 142130.211.72.9
Apr15° / 12°12612.5012.94.4
May19° / 16°14512.2013.95.6
Jun21° / 19°16413.1014.45.7
Jul25° / 22°14012014.26.4
Aug26° / 24°909.2013.46.7
Sep24° / 22°17413.6012.26.1
Oct20° / 18°23213.9011.15.8
Nov16° / 13°12111.6010.15.0
Dec12° / 8610.209.63.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23961
33961
44060
54159
64258
74258
84357
94357
104357
114456
124456
134555
144456
154555
164555
174654
184654
194852
204852
214951
224951
235050
245050
255149
265248
275248
285347
295446
305446
315446

Chance of precipitation in October

Any precipitation

Kamisu gets around 232 mm of rain over 13.9 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
246
346
446
546
646
746
846
946
1046
1146
1246
1346
1446
1545
1645
1745
1844
1944
2044
2144
2244
2343
2443
2543
2642
2742
2842
2941
3041
3140

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1141832307
2151832296
3161932285
4171932275
5182032264
6192032253
7212131243
8222231232
9242330212
10252429202
11272529181
12282628171
13302726151
14312925141
15333024131
16353023111
17363122100
1838312190
1940322080
2042321970
2144321960
2246311850
2347311840
2449301740
2550301730
2652291630
2754281620
2856271520
2958261510
3059261410
3160251410

Wind in October

Winds average 19 km/h in October.

Across October, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over October. Sunrise moves from 5:37 AM to 6:05 AM, and sunset from 5:16 PM to 4:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:375:16
211.65:385:14
311.65:395:13
411.55:405:11
511.55:405:10
611.45:415:08
711.45:425:07
811.45:435:05
911.35:445:04
1011.35:455:03
1111.35:465:01
1211.25:475:00
1311.25:474:58
1411.15:484:57
1511.15:494:56
1611.15:504:55
1711.05:514:53
1811.05:524:52
1911.05:534:51
2010.95:544:49
2110.95:554:48
2210.95:564:47
2310.85:574:46
2410.85:584:45
2510.75:594:44
2610.76:004:42
2710.76:014:41
2810.66:024:40
2910.66:034:39
3010.66:044:38
3110.56:054:37

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.12 kWh/m².

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 5.52 kWh/m² in May across the year — October's 3.12 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.2Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in October

Hazard calendar for Kamisu

In seasonPeak

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

Kamisu 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 Kamisu?

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

5.8
Sightseeing
4th-best month of the year
3.2
Beach & pool
5th-best month of the year

October is a reasonable time to visit Kamisu for sightseeing.

What to pack for Kamisu in October

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

In October, Kamisu sees daytime highs around 20°C and nights near 18°C. Worth packing: rain gear. About 14 days see rain.

rain gear

Sea temperature near Kamisu 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 19 km away) is warmest in August at about 25°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 14 to Nov 11 — about 5 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun20Refreshing
Jul22Refreshing
Aug25Warm
Sep24Refreshing
Oct22Refreshing
Nov20Cool
Dec17Cool

UV index in Kamisu 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 Kamisu peaks around August 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highVery highModerateAug 13UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Kamisu 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 Kamisu is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1920 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar18Moderate
Apr20Moderate
May19Moderate
Jun14Moderate
Jul12Good
Aug11Good
Sep10Good
Oct10Good
Nov9Good
Dec7Good
Location & terrain

Where is Kamisu?

Kamisu sits at 35.9°N, 140.7°E, 7 m above sea level, in Japan. The nearest listed city is Omigawa, 7.0 km away.

Topography around Kamisu

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

Within 3 km, the terrain around Kamisu has only modest variations in elevation — a maximum elevation change of 24 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 71 m; within 80 km, large variations in elevation — a maximum elevation change of 840 m.

The land around Kamisu is covered by artificial surfaces (59%) within 3 km, water (39%) and cropland (22%) within 16 km, and water (41%) and trees (25%) within 80 km.

3 km
24 m
16 km
71 m
80 km
840 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Omigawa 7.0 km · Kashima-shi 8.0 km · Itako 11 km · Katori-shi 15 km · Sawara 15 km · Namegata 20 km · Asahi 20 km · Sōsa 23 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 Kamisu (35.8969°, 140.6667°, elevation 7 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).