Arai weather in November

In November, Arai sees average daytime highs of 12°C and overnight lows near 4°C, with 166 mm of precipitation across 18.2 wet days and about 10 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 9°C by the end. The sky is clear or mostly clear about 19% 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 Arai's 3rd-clearest and 6th-windiest month. For the whole year in context, see Arai's year-round climate.

Daytime high
12°
8th warmest
Overnight low
6th coldest
Precipitation
166 mm
18.2 wet days
Daylight
10 hours
6:33 AM – 4:32 PM
Cloud cover
65%
3rd clearest
Wind
7 km/h
6th windiest
Solar energy
2.33 kWh/m²
Travel score
2.5
out of 10

Temperature in November

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 15°C in the first days to 9°C by the end.

A typical November day in Arai reaches about 12°C in the afternoon and slips back to 4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 16°C. Set against its neighbours, November runs about 6°C cooler than October and about 6°C warmer than December.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
1157
2157
3157
4147
5146
6146
7146
8146
9136
10136
11135
12135
13125
14125
15124
16124
17114
18114
19114
20113
21113
22103
23103
24103
25103
26102
2792
2892
2992
3092

How November really feels in Arai

Once humidity and wind are folded in, November averages 0 days that feel above 32°C and 4 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
4
wind chill below the day's low

The story in November is cold — wind chill drags the overnight "feels like" below the raw low.

Arai 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 / -3°24225.423.59.70.0
Feb / -3°17920.918.410.60.0
Mar / -1°1622013.311.70.6
Apr13° / 11714.82.712.93.4
May19° / 10°130140145.6
Jun23° / 16°16616.5014.55.4
Jul26° / 20°24921.1014.34.8
Aug28° / 21°19119.7013.44.8
Sep24° / 17°20417.2012.35.4
Oct18° / 11°18816.40114.9
Nov12° / 16618.23.4102.5
Dec / -1°2272315.69.50.3

Cloud cover in November

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34456
44456
54357
64357
74258
84258
94159
103961
113961
123961
133862
143862
153664
163664
173664
183664
193763
203565
213565
223565
233466
243466
253466
263565
273565
283466
293466
303466

Chance of precipitation in November

Any precipitationSnow

Arai gets around 166 mm of rain and snow over 18.2 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 61% and peaks near 67% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)Snow chance (%)
1542
2542
3543
4553
5553
6564
7564
8575
9586
10586
11597
12608
13619
146210
156211
166312
176312
186313
196314
206315
216316
226417
236418
246419
256420
266521
276522
286623
296725
306726

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in November

Winds average 7 km/h in November.

Across November, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
288calm
298calm
308calm

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 6:17 AM to 6:47 AM, and sunset from 4:44 PM to 4:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.46:174:44
210.46:184:43
310.46:194:42
410.36:204:41
510.36:214:40
610.36:224:39
710.36:234:39
810.26:244:38
910.26:264:37
1010.26:274:36
1110.16:284:35
1210.16:294:35
1310.16:304:34
1410.06:314:33
1510.06:324:33
1610.06:334:32
1710.06:344:31
189.96:354:31
199.96:364:30
209.96:374:30
219.96:384:29
229.86:394:29
239.86:404:28
249.86:414:28
259.86:424:28
269.76:434:27
279.76:444:27
289.76:454:27
299.76:464:27
309.76:474:26

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 2.33 kWh/m².

For context, solar energy here swings from a low near 2.02 kWh/m² to a high of 5.68 kWh/m² in May across the year — November's 2.33 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
102.5Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
Planning a trip in November

Hazard calendar for Arai

In seasonPeak

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

Arai 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 Arai?

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
8th-best month of the year

November is a weaker month for outdoor sightseeing in Arai.

What to pack for Arai in November

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

In November, Arai sees daytime highs around 12°C and nights near 4°C. Pack a warm layer and rain gear. About 18 days see rain.

a warm layerrain gear

Sea temperature near Arai 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 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 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 Arai 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 Arai peaks around August 12 at about 10 (very high) — 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 12UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep9Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Arai 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 Arai 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 Arai?

Arai sits at 37.0°N, 138.2°E, 175 m above sea level, in Japan. The nearest listed city is Myoko, 4.0 km away.

Topography around Arai

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

Within 3 km, the terrain around Arai has significant variations in elevation — a maximum elevation change of 416 m around an average of 193 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,437 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,978 m.

The land around Arai is covered by trees (52%) and cropland (30%) within 3 km, trees (79%) within 16 km, and trees (60%) and water (29%) within 80 km.

3 km
416 m
16 km
2,437 m
80 km
2,978 m
treesgrasslandcroplandartificial surfacesbare terrainwater
November weather nearby: Myoko 4.0 km · Jōetsu 16 km · Iiyama 21 km · Nakano 31 km · Itoigawa 34 km · Nagano 39 km · Suzaka 40 km · Kashiwazaki 50 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 Arai (37.0006°, 138.2259°, elevation 175 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).