Hayashino weather in October

In October, Hayashino sees average daytime highs of 22°C and overnight lows near 13°C, with 117 mm of rain across 8 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 40% 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 Hayashino's 1st-clearest and 8th-windiest month. For the whole year in context, see Hayashino's year-round climate.

Daytime high
22°
6th warmest
Overnight low
13°
7th coldest
Rainfall
117 mm
8 wet days
Daylight
11 h 06 min
6:15 AM – 5:22 PM
Cloud cover
53%
1st clearest
Wind
8 km/h
8th windiest
Solar energy
3.58 kWh/m²
Travel score
7.0
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 19°C by the end.

A typical October day in Hayashino reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42415
52415
62415
72315
82315
92314
102314
112314
122314
132213
142213
152213
162213
172212
182112
192112
202112
212112
222111
232011
242011
252011
262011
272010
281910
291910
301910
311910

How October really feels in Hayashino

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.

Hayashino weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 445.81.69.91.4
Feb / 567.2210.71.8
Mar13° / 11010.80.411.73.4
Apr18° / 12210.4012.95.7
May23° / 13°14510.6013.86.6
Jun26° / 18°18513.5014.35.8
Jul30° / 22°21715.7014.14.4
Aug31° / 23°13413.3013.34.2
Sep27° / 19°18411.8012.25.9
Oct22° / 13°1178011.17.0
Nov16° / 626.1010.25.4
Dec10° / 5160.69.72.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44951
55050
65149
75248
85248
95347
105347
115446
125446
135545
145545
155743
165743
175743
185842
195941
205941
216040
226040
236040
246139
256139
266139
276139
286139
296139
306139
316139

Chance of precipitation in October

Any precipitation

Hayashino gets around 117 mm of rain over 8 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 26% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
431
531
630
729
829
928
1028
1127
1227
1326
1426
1526
1626
1725
1825
1925
2025
2125
2225
2324
2424
2524
2623
2723
2823
2922
3022
3122

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1293224123
2313223113
3333222112
4353221102
537322092
640311991
742301881
845291771
948281671
1051271561
1153261461
1256251351
1359241250
1462231140
1564221040
166721930
176820930
187019830
197318720
207417720
217616620
227816510
237915510
247915510
258114410
268214400
278313400
288413300
298512300
308512300
318611300

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:03 AM to 6:29 AM, and sunset from 5:42 PM to 5:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:035:42
211.66:045:41
311.66:045:39
411.56:055:38
511.56:065:36
611.56:075:35
711.46:085:33
811.46:095:32
911.46:095:31
1011.36:105:29
1111.36:115:28
1211.26:125:27
1311.26:135:25
1411.26:145:24
1511.16:145:23
1611.16:155:22
1711.16:165:20
1811.06:175:19
1911.06:185:18
2011.06:195:17
2110.96:205:15
2210.96:215:14
2310.96:225:13
2410.86:235:12
2510.86:245:11
2610.86:245:10
2710.76:255:09
2810.76:265:08
2910.76:275:07
3010.66:285:06
3110.66:295:05

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.58 kWh/m².

For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 5.73 kWh/m² in May across the year — October's 3.58 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in October

Hazard calendar for Hayashino

In seasonPeak

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

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

Hayashino'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 October a good time to visit Hayashino?

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

7.0
Sightseeing
1st-best month of the year
4.6
Beach & pool
6th-best month of the year

October is one of the better times to visit Hayashino for general sightseeing.

What to pack for Hayashino in October

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

In October, Hayashino sees daytime highs around 22°C and nights near 13°C. Worth packing: rain gear. About 8 days see rain.

rain gear

Sea temperature near Hayashino in October

The nearest coast averages about 24°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 46 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 12 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov20Cool
Dec16Cool

UV index in Hayashino 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 Hayashino peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highVery highModerateJul 13UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Hayashino 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 Hayashino is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1421 µg/m³Oct 1711 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun17Moderate
Jul14Moderate
Aug12Moderate
Sep12Good
Oct10Good
Nov12Good
Dec11Good
Location & terrain

Where is Hayashino?

Hayashino sits at 35.0°N, 134.2°E, 83 m above sea level, in Japan. The nearest listed city is Tsuyama, 15 km away.

Topography around Hayashino

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

Within 3 km, the terrain around Hayashino has significant variations in elevation — a maximum elevation change of 281 m around an average of 153 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 743 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,622 m.

The land around Hayashino is covered by trees (74%) within 3 km, trees (82%) within 16 km, and trees (65%) and water (23%) within 80 km.

3 km
281 m
16 km
743 m
80 km
1,622 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Tsuyama 15 km · Sayō 19 km · Kamigōri 24 km · Akaiwa 24 km · Bizen 25 km · Kariya 35 km · Aioi 36 km · Yamazakichō-nakabirose 36 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 Hayashino (35°, 134.15°, elevation 83 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).