Iwakuni weather in November

In November, Iwakuni sees average daytime highs of 16°C and overnight lows near 9°C, with 72 mm of rain across 7.2 wet days and about 10.2 hours of daylight. It is the 8th-warmest and 9th-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 43% of the time in November, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of November to 9 h 54 min by month's end. Set against the rest of the year, November is Iwakuni's 2nd-clearest and 6th-windiest month. For the whole year in context, see Iwakuni's year-round climate.

Daytime high
16°
8th warmest
Overnight low
5th coldest
Rainfall
72 mm
7.2 wet days
Daylight
10 h 12 min
6:51 AM – 5:02 PM
Cloud cover
50%
2nd clearest
Wind
9 km/h
6th windiest
Solar energy
2.77 kWh/m²
Travel score
5.6
out of 10

Iwakuni is city in Yamaguchi Prefecture, Japan.

Density
148/km²
people per km²
Founded
2006

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 19°C in the first days to 14°C by the end.

A typical November day in Iwakuni reaches about 16°C in the afternoon and slips back to 9°C overnight — a 7°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, November runs about 6°C cooler than October and about 5°C warmer than December.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11912
21912
31911
41911
51811
61811
71811
81811
91810
101810
111710
121710
131710
141710
15169
16169
17169
18169
19169
20158
21158
22158
23158
24158
25157
26147
27147
28147
29147
30147

How November really feels in Iwakuni

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.

Iwakuni weather by month

How November compares with the rest of the year at a glance. November is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 506.21101.8
Feb10° / 677.81.510.72.1
Mar13° / 11610.10.511.73.7
Apr18° / 10°1389.8012.85.8
May22° / 15°15810.3013.86.6
Jun25° / 19°23413.9014.25.9
Jul29° / 23°25515.20144.8
Aug30° / 24°16914.4013.34.5
Sep27° / 21°18511.7012.26.1
Oct22° / 15°1168011.17.1
Nov16° / 727.2010.25.6
Dec11° / 606.70.39.83.0

Cloud cover in November

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 19% of November, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56238
66238
76238
86238
96238
106139
116139
126040
136040
146040
156040
166040
176040
186040
196040
206040
216040
226040
236139
246139
256139
266139
276040
286139
296139
306040

Chance of precipitation in November

Any precipitation

Iwakuni gets around 72 mm of rain over 7.2 wet days in November. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
123
223
323
423
524
624
724
824
924
1024
1125
1225
1325
1425
1524
1624
1724
1824
1924
2024
2124
2224
2324
2424
2524
2624
2724
2824
2924
3025

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
180155
281145
381145
483134
584124
684124
785114
885114
986113
1087103
1187103
1287103
1387103
148992
159082
169082
179172
189361
199361
209451
219451
229541
239541
249631
259631
269721
279820
289820
299820
309820

Wind in November

Winds average 9 km/h in November.

Across November, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in November

DaylightNight

Daylight runs from about 10 h 36 min at the start of November to 9 h 54 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 6:36 AM to 7:03 AM, and sunset from 5:13 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:365:13
210.66:375:12
310.56:385:11
410.56:395:10
510.56:405:09
610.56:415:09
710.46:425:08
810.46:435:07
910.46:445:06
1010.36:455:06
1110.36:465:05
1210.36:475:04
1310.36:485:04
1410.26:495:03
1510.26:505:03
1610.26:515:02
1710.26:525:02
1810.16:535:01
1910.16:545:01
2010.16:545:00
2110.16:555:00
2210.16:564:59
2310.06:574:59
2410.06:584:59
2510.06:594:59
2610.07:004:58
2710.07:014:58
289.97:024:58
299.97:034:58
309.97:034:58

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 2.77 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 5.55 kWh/m² in May across the year — November's 2.77 kWh/m² sits near the bottom.

01234151015202530
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.1Moderate
53.1Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
102.9Moderate
112.9Moderate
122.9Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.4Moderate
Planning a trip in November

Hazard calendar for Iwakuni

In seasonPeak

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

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

Iwakuni's rainy season runs March–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 November a good time to visit Iwakuni?

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

5.6
Sightseeing
6th-best month of the year
1.2
Beach & pool
8th-best month of the year

November is a reasonable time to visit Iwakuni for sightseeing.

What to pack for Iwakuni in November

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

In November, Iwakuni sees daytime highs around 16°C and nights near 9°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Iwakuni in November

The nearest coast averages about 20°C in November — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 13 to Nov 17 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun20Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Iwakuni in November

LowModerateHighVery highExtreme

Clear-sky midday UV in November peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iwakuni peaks around July 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highModerateJul 11UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Iwakuni 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 Iwakuni is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1022 µg/m³Oct 1310 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar22Moderate
Apr22Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct10Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Iwakuni?

Iwakuni sits at 34.2°N, 132.2°E, 4 m above sea level, in Japan. The nearest listed city is Ōtake, 5.0 km away.

Topography around Iwakuni

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

Within 3 km, the terrain around Iwakuni has significant variations in elevation — a maximum elevation change of 272 m around an average of 29 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 644 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,336 m.

The land around Iwakuni is covered by artificial surfaces (50%) and trees (24%) within 3 km, trees (49%) and water (43%) within 16 km, and trees (55%) and water (38%) within 80 km.

3 km
272 m
16 km
644 m
80 km
1,336 m
treesgrasslandcroplandartificial surfacesbare terrainwater
November weather nearby: Ōtake 5.0 km · Ōno-hara 14 km · Miyajima 18 km · Hatsukaichi 23 km · Yanai 24 km · Etajima 25 km · Kure 33 km · Hiroshima 34 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 Iwakuni (34.163°, 132.22°, elevation 4 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).