Itoigawa weather in November

In November, Itoigawa sees average daytime highs of 12°C and overnight lows near 8°C, with 213 mm of precipitation across 19.1 wet days and about 10 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 10°C by the end. The sky is clear or mostly clear about 21% of the time in November, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of November to 9 h 42 min by month's end. Set against the rest of the year, November is Itoigawa's 4th-clearest and 4th-windiest month. For the whole year in context, see Itoigawa's year-round climate.

Daytime high
12°
7th warmest
Overnight low
6th coldest
Precipitation
213 mm
19.1 wet days
Daylight
10 hours
6:34 AM – 4:33 PM
Cloud cover
65%
4th clearest
Wind
10 km/h
4th windiest
Solar energy
2.28 kWh/m²
Travel score
2.5
out of 10

Itoigawa is city in Niigata prefecture, Japan.

Density
55/km²
people per km²
Founded
1954

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in November

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 14°C in the first days to 10°C by the end.

A typical November day in Itoigawa reaches about 12°C in the afternoon and slips back to 8°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 16°C. Set against its neighbours, November runs about 6°C cooler than October and about 6°C warmer than December.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
11511
21511
31510
41410
51410
61410
71410
81410
9139
10139
11139
12139
13138
14128
15128
16128
17128
18127
19117
20117
21117
22117
23116
24106
25106
26106
27106
28105
2995
3095

How November really feels in Itoigawa

Once humidity and wind are folded in, November 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

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

Itoigawa weather by month

How November compares with the rest of the year at a glance. November is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°28826.322.89.70.0
Feb / -1°21921.818.710.60.0
Mar / 20020.512.911.70.4
Apr11° / 14314.82.412.92.6
May17° / 12°13914.20144.9
Jun21° / 17°17314.3014.55.5
Jul25° / 21°25418.8014.35.3
Aug27° / 23°19718.1013.45.3
Sep23° / 19°23518.2012.35.3
Oct18° / 14°21617.30114.7
Nov12° / 21319.12.4102.5
Dec / 27424.315.19.50.4

Cloud cover in November

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in November.

Beyond those clear spells, partly cloudy skies cover about 14% of November, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34357
44357
54258
64258
74159
84159
93961
103862
113664
123664
133565
143466
153367
163367
173268
183268
193268
203169
213169
223070
233070
243070
253070
262971
272971
282872
292971
302872

Chance of precipitation in November

Any precipitationSnow

Itoigawa gets around 213 mm of rain and snow over 19.1 wet days in November. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 64% and peaks near 72% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)Snow chance (%)
1562
2572
3572
4573
5583
6593
7594
8604
9614
10625
11635
12636
13646
14657
15668
16668
17669
18679
196710
206710
216711
226712
236813
246813
256814
266916
276917
287018
297120
307221

Humidity in November

DryComfortableHumidMuggyOppressiveMiserable

Most of November feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, November lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1937
2946
3955
4964
5964
6973
7973
8973
9982
10982
11982
12991
13991
14991
15991
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in November

Winds average 10 km/h in November.

Across November, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in November

DaylightNight

Daylight runs from about 10 h 24 min at the start of November to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over November. Sunrise moves from 6:19 AM to 6:48 AM, and sunset from 4:46 PM to 4:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.46:194:46
210.46:204:45
310.46:214:44
410.36:224:43
510.36:234:42
610.36:244:41
710.26:254:40
810.26:264:39
910.26:274:38
1010.26:284:38
1110.16:294:37
1210.16:304:36
1310.16:314:35
1410.06:324:35
1510.06:334:34
1610.06:344:33
1710.06:354:33
189.96:364:32
199.96:374:32
209.96:384:31
219.96:394:31
229.86:404:30
239.86:414:30
249.86:424:29
259.86:434:29
269.76:444:29
279.76:454:28
289.76:464:28
299.76:474:28
309.76:484:28

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 2.28 kWh/m².

For context, solar energy here swings from a low near 1.88 kWh/m² to a high of 5.67 kWh/m² in May across the year — November's 2.28 kWh/m² sits near the bottom.

0123151015202530
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.3Moderate
142.3Moderate
152.3Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.0Moderate
262.0Moderate
272.0Moderate
282.0Moderate
292.0Dim
302.0Dim
Planning a trip in November

Hazard calendar for Itoigawa

In seasonPeak

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

Itoigawa 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 November a good time to visit Itoigawa?

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

2.5
Sightseeing
8th-best month of the year
0.0
Beach & pool
7th-best month of the year

November is a weaker month for outdoor sightseeing in Itoigawa.

What to pack for Itoigawa in November

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

In November, Itoigawa sees daytime highs around 12°C and nights near 8°C. Pack rain gear. Worth having: a warm layer. About 19 days see rain.

rain geara warm layer

Sea temperature near Itoigawa in November

The nearest coast averages about 19°C in November — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 27°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 20 to Nov 1 — about 4.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Bracing
Jun20Cool
Jul23Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec15Cool

UV index in Itoigawa in November

LowModerateHighVery highExtreme

Clear-sky midday UV in November peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Itoigawa peaks around August 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 12UV 10Dec 20UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Itoigawa in November

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.

Air quality in Itoigawa 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 1721 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug13Moderate
Sep12Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Itoigawa?

Itoigawa sits at 37.0°N, 137.8°E, 15 m above sea level, in Japan. The nearest listed city is Nyūzen, 33 km away.

Topography around Itoigawa

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

Within 3 km, the terrain around Itoigawa has significant variations in elevation — a maximum elevation change of 312 m around an average of 44 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,586 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,069 m.

The land around Itoigawa is covered by trees (35%), water (30%) and artificial surfaces (24%) within 3 km, trees (50%) and water (45%) within 16 km, and trees (49%) and water (40%) within 80 km.

3 km
312 m
16 km
1,586 m
80 km
3,069 m
treesgrasslandcroplandartificial surfacesbare terrainwater
November weather nearby: Nyūzen 33 km · Arai 34 km · Myoko 36 km · Jōetsu 37 km · Kurobe-shi 38 km · Uozu 48 km · Iiyama 50 km · Nagano 52 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 Itoigawa (37.0333°, 137.85°, elevation 15 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).