Atami weather in October

In October, Atami sees average daytime highs of 21°C and overnight lows near 16°C, with 247 mm of rain across 13.1 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 23°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 42 min at the start of October to 10 h 36 min by month's end. Set against the rest of the year, October is Atami's 5th-clearest and 5th-windiest month. For the whole year in context, see Atami's year-round climate.

Daytime high
21°
5th warmest
Overnight low
16°
8th coldest
Rainfall
247 mm
13.1 wet days
Daylight
11 h 06 min
5:56 AM – 5:02 PM
Cloud cover
59%
5th clearest
Wind
10 km/h
5th windiest
Solar energy
3.22 kWh/m²
Travel score
6.0
out of 10

Atami is city in the eastern end of the Shizuoka Prefecture of Japan.

Founded
1937

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 19°C by the end.

A typical October day in Atami reaches about 21°C in the afternoon and slips back to 16°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12318
22318
32318
42318
52218
62218
72217
82217
92217
102217
112117
122117
132116
142116
152116
162116
172116
182016
192015
202015
212015
222015
232015
241915
251914
261914
271914
281914
291914
301914
311813

How October really feels in Atami

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.

Atami weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 927.91.39.91.9
Feb / 1059.11.410.72.0
Mar12° / 17913.90.811.73.0
Apr17° / 10°17212.5012.94.9
May21° / 15°18812.2013.85.9
Jun24° / 18°24916.2014.35.5
Jul27° / 22°22815.2014.15.3
Aug29° / 24°15614.5013.35.1
Sep26° / 21°23315.1012.25.8
Oct21° / 16°24713.1011.16.0
Nov16° / 11°13410.1010.25.1
Dec11° / 838.20.19.73.2

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 13% of October, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33961
43961
54060
64159
74258
84456
94456
104456
114555
124456
134555
144654
154654
164852
174852
184951
194951
205050
215050
225149
235149
245248
255248
265446
275545
285545
295644
305644
315743

Chance of precipitation in October

Any precipitation

Atami gets around 247 mm of rain over 13.1 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 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
249
348
448
548
647
747
846
946
1045
1144
1244
1343
1442
1542
1641
1741
1840
1940
2040
2139
2239
2339
2438
2537
2637
2736
2835
2935
3034
3134

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1102636234
2112736224
3122836213
4132935203
5143035192
6163134182
7173233162
8193232151
9213331141
10233429131
11253528111
12273626101
1329372491
1432372381
1534382170
1636382060
1738381950
1841371740
1943371640
2045371530
2147361420
2250361320
2352351210
2454341110
2556331010
2657321010
275931910
286230800
296329800
306627700
316726700

Wind in October

Winds average 10 km/h in October.

Across October, 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.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 36 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 5:43 AM to 6:10 AM, and sunset from 5:22 PM to 4:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:435:22
211.65:445:21
311.65:455:19
411.55:465:18
511.55:465:17
611.55:475:15
711.45:485:14
811.45:495:12
911.45:505:11
1011.35:515:10
1111.35:515:08
1211.25:525:07
1311.25:535:06
1411.25:545:04
1511.15:555:03
1611.15:565:02
1711.15:575:01
1811.05:584:59
1911.05:594:58
2011.05:594:57
2110.96:004:56
2210.96:014:55
2310.96:024:53
2410.86:034:52
2510.86:044:51
2610.86:054:50
2710.76:064:49
2810.76:074:48
2910.76:084:47
3010.66:094:46
3110.66:104:45

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.22 kWh/m².

For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 5.45 kWh/m² in May across the year — October's 3.22 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.2Moderate
183.2Moderate
193.2Moderate
203.1Moderate
213.1Moderate
223.1Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in October

Hazard calendar for Atami

In seasonPeak

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

Atami 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 Atami?

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

6.0
Sightseeing
1st-best month of the year
3.5
Beach & pool
5th-best month of the year

October is a reasonable time to visit Atami for sightseeing.

What to pack for Atami in October

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

In October, Atami sees daytime highs around 21°C and nights near 16°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Atami in October

The nearest coast averages about 23°C in October — 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 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 31 to Nov 26 — about 5.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May19Cool
Jun21Refreshing
Jul24Refreshing
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Atami 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 Atami peaks around July 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highExtremeVery highHighModerateJul 20UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun9Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Atami 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 Atami is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb20Moderate
Mar20Moderate
Apr23Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Atami?

Atami sits at 35.1°N, 139.1°E, 230 m above sea level, in Japan. The nearest listed city is Yugawara, 7.0 km away.

Topography around Atami

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

Within 3 km, the terrain around Atami has large variations in elevation — a maximum elevation change of 794 m around an average of 325 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,353 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,736 m.

The land around Atami is covered by trees (81%) within 3 km, trees (54%) and water (32%) within 16 km, and water (48%) and trees (39%) within 80 km.

3 km
794 m
16 km
1,353 m
80 km
3,736 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Yugawara 7.0 km · Kamizawa 9.0 km · Izunokuni 11 km · Hakone 12 km · Mishima 13 km · Itō 14 km · Fushimi 14 km · Nakatogari 15 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 Atami (35.0883°, 139.0532°, elevation 230 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).