Nanao weather in October

In October, Nanao sees average daytime highs of 21°C and overnight lows near 15°C, with 149 mm of rain across 13.2 wet days and about 11 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 18°C by the end. The sky is clear or mostly clear about 31% 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 Nanao's 2nd-clearest and 7th-windiest month. For the whole year in context, see Nanao's year-round climate.

Daytime high
21°
6th warmest
Overnight low
15°
8th coldest
Rainfall
149 mm
13.2 wet days
Daylight
11 hours
6:06 AM – 5:08 PM
Cloud cover
59%
2nd clearest
Wind
11 km/h
7th windiest
Solar energy
3.32 kWh/m²
Travel score
6.0
out of 10

Nanao is city in Ishikawa Prefecture, Japan.

Density
158/km²
people per km²
Founded
2004

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 23°C in the first days to 18°C by the end.

A typical October day in Nanao reaches about 21°C in the afternoon and slips back to 15°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12418
22318
32318
42318
52318
62317
72317
82217
92217
102217
112216
122216
132216
142116
152116
162115
172115
182115
192015
202015
212014
222014
232014
241914
251914
261913
271913
281913
291813
301813
311812

How October really feels in Nanao

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.

Nanao weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 122208.79.70.6
Feb / 9516.1710.60.9
Mar11° / 126162.611.72.3
Apr16° / 11612.40.212.94.8
May21° / 14°12011.90146.3
Jun25° / 19°15711.5014.56.3
Jul29° / 23°24615.7014.34.6
Aug31° / 25°16612.3013.44.3
Sep27° / 21°20213.6012.35.7
Oct21° / 15°14913.20116.0
Nov15° / 10°13415.60.1104.0
Dec10° / 13820.54.49.51.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24159
34258
44357
54357
64456
74555
84654
94753
104852
114852
124951
135149
145149
155149
165248
175248
185347
195248
205248
215248
225347
235347
245347
255347
265347
275347
285446
295446
305446
315446

Chance of precipitation in October

Any precipitation

Nanao gets around 149 mm of rain over 13.2 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 42% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
244
344
444
544
644
744
843
943
1042
1142
1241
1340
1440
1540
1639
1739
1839
1939
2040
2140
2241
2341
2442
2543
2643
2744
2844
2944
3044
3144

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1193034152
2203133142
3223233131
4233232121
5253231111
6273329101
7293328101
832332690
934332480
1037332280
1140332170
1243321960
1345321760
1448311650
1550311450
1653301340
1755291240
1859281030
196127930
206426820
216625720
226824710
237023610
247222510
257321510
267520500
277719400
287818400
298017300
308116300
318315200

Wind in October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:52 AM to 6:21 AM, and sunset from 5:30 PM to 4:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:525:30
211.65:535:28
311.55:545:27
411.55:555:25
511.55:565:24
611.45:575:22
711.45:585:21
811.35:595:19
911.36:005:18
1011.36:015:16
1111.26:015:15
1211.26:025:14
1311.16:035:12
1411.16:045:11
1511.16:055:09
1611.06:065:08
1711.06:075:07
1811.06:085:05
1910.96:095:04
2010.96:105:03
2110.86:115:02
2210.86:125:00
2310.86:134:59
2410.76:144:58
2510.76:154:57
2610.76:164:56
2710.66:174:54
2810.66:184:53
2910.66:194:52
3010.56:204:51
3110.56:214:50

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.32 kWh/m².

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 5.81 kWh/m² in May across the year — October's 3.32 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.3Moderate
183.3Moderate
193.3Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.1Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in October

Hazard calendar for Nanao

In seasonPeak

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

Nanao 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 Nanao?

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

6.0
Sightseeing
3rd-best month of the year
3.6
Beach & pool
6th-best month of the year

October is a reasonable time to visit Nanao for sightseeing.

What to pack for Nanao in October

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

In October, Nanao sees daytime highs around 21°C and nights near 15°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Nanao 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 16 km away) is warmest in August at about 27°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 18 to Nov 3 — about 4.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Cool
Jun20Cool
Jul24Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Nanao in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nanao peaks around August 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 15UV 10Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Nanao 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 Nanao is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1621 µg/m³Dec 139 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul14Moderate
Aug12Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Nanao?

Nanao sits at 37.0°N, 137.0°E, 2 m above sea level, in Japan. The nearest listed city is Hitoto, 9.0 km away.

Topography around Nanao

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

Within 3 km, the terrain around Nanao has only modest variations in elevation — a maximum elevation change of 108 m around an average of 16 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 551 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,981 m.

The land around Nanao is covered by water (31%), trees (27%) and artificial surfaces (24%) within 3 km, trees (48%) and water (41%) within 16 km, and water (58%) and trees (32%) within 80 km.

3 km
108 m
16 km
551 m
80 km
2,981 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Hitoto 9.0 km · Oshima 19 km · Himimachi 21 km · Anamizu 21 km · Himi 22 km · Hakui 25 km · Nishishinminato 31 km · Ushitsu 33 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 Nanao (37.0482°, 136.968°, elevation 2 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).