Nichinan weather in October

In October, Nichinan sees average daytime highs of 23°C and overnight lows near 18°C, with 170 mm of rain across 11.1 wet days and about 11.2 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 41% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 48 min by month's end. Set against the rest of the year, October is Nichinan's 4th-clearest and 4th-windiest month. For the whole year in context, see Nichinan's year-round climate.

Daytime high
23°
5th warmest
Overnight low
18°
8th coldest
Rainfall
170 mm
11.1 wet days
Daylight
11 h 12 min
6:23 AM – 5:36 PM
Cloud cover
51%
4th clearest
Wind
15 km/h
4th windiest
Solar energy
3.69 kWh/m²
Travel score
6.8
out of 10

Nichinan is city in Miyazaki Prefecture, Japan.

Density
96/km²
people per km²
Founded
2009

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 25°C in the first days to 22°C by the end.

A typical October day in Nichinan reaches about 23°C in the afternoon and slips back to 18°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, October runs about 4°C cooler than September and about 5°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12521
22521
32521
42521
52520
62520
72520
82520
92420
102420
112419
122419
132419
142419
152419
162419
172318
182318
192318
202318
212318
222317
232217
242217
252217
262217
272217
282216
292216
302116
312116

How October really feels in Nichinan

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.

Nichinan weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 887.710.23.5
Feb13° / 1048.810.83.8
Mar16° / 10°16912.811.84.8
Apr20° / 14°18511.912.85.9
May23° / 18°21012.613.66.2
Jun25° / 21°42120144.9
Jul29° / 25°23717.113.94.5
Aug30° / 25°20217.413.24.4
Sep27° / 23°26016.912.25.3
Oct23° / 18°17011.111.26.8
Nov19° / 13°119910.46.3
Dec14° / 866.9104.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in October.

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 (%)
14852
24852
34951
44951
55050
65149
75248
85248
95347
105446
115446
125545
135644
145842
155842
165941
176040
186040
196139
206139
216040
226139
236139
246139
256040
266040
276040
286040
296040
305941
316040

Chance of precipitation in October

Any precipitation

Nichinan gets around 170 mm of rain over 11.1 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 36% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
146
245
344
443
542
641
740
839
939
1038
1137
1237
1336
1436
1535
1635
1734
1834
1934
2034
2134
2234
2333
2433
2533
2633
2733
2832
2932
3032
3132

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 26% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14172530213
24182530202
35192530182
45202530172
56212629162
67222628152
78232627141
810242626131
911252625121
1013262624111
1114272622101
121628252191
131828252090
142028251980
152229251870
162329241770
172529241660
182729241550
192929231450
203129231340
213329221240
223429221230
233628211130
243828201130
254028201120
264127191020
274327191020
28442618920
29462618920
30472617910
31482617810

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over October. Sunrise moves from 6:13 AM to 6:35 AM, and sunset from 5:54 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:135:54
211.76:135:53
311.66:145:52
411.66:155:50
511.66:155:49
611.56:165:48
711.56:175:47
811.56:175:45
911.46:185:44
1011.46:195:43
1111.46:205:42
1211.36:205:41
1311.36:215:39
1411.36:225:38
1511.26:225:37
1611.26:235:36
1711.26:245:35
1811.16:255:34
1911.16:255:33
2011.16:265:32
2111.16:275:30
2211.06:285:29
2311.06:295:28
2411.06:295:27
2510.96:305:26
2610.96:315:26
2710.96:325:25
2810.96:335:24
2910.86:335:23
3010.86:345:22
3110.86:355:21

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.69 kWh/m².

For context, solar energy here swings from a low near 2.74 kWh/m² to a high of 5.4 kWh/m² in July across the year — October's 3.69 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
14.0Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in October

Hazard calendar for Nichinan

In seasonPeak

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

Nichinan 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 Nichinan?

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

6.8
Sightseeing
1st-best month of the year
5.4
Beach & pool
4th-best month of the year

October is a reasonable time to visit Nichinan for sightseeing.

What to pack for Nichinan in October

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

In October, Nichinan sees daytime highs around 23°C and nights near 18°C. Worth packing: light clothes and rain gear. About 11 days see rain.

light clothesrain gear

Sea temperature near Nichinan in October

The nearest coast averages about 26°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 25 km away) is warmest in August at about 28°C and coldest in February near 19°C.

It's comfortable for a long swim from Apr 4 to Jan 14 — about 9.4 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb19Cool
Mar19Cool
Apr21Refreshing
May22Refreshing
Jun24Warm
Jul27Warm
Aug28Tropical
Sep27Warm
Oct26Warm
Nov24Refreshing
Dec22Refreshing

UV index in Nichinan 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 Nichinan peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Nichinan 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 Nichinan is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodModerateApr 1421 µg/m³Sep 1911 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar21Moderate
Apr22Moderate
May20Moderate
Jun16Moderate
Jul11Good
Aug12Moderate
Sep11Good
Oct12Good
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Nichinan?

Nichinan sits at 31.6°N, 131.4°E, 29 m above sea level, in Japan. The nearest listed city is Kushima, 17 km away.

Topography around Nichinan

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

Within 3 km, the terrain around Nichinan has significant variations in elevation — a maximum elevation change of 271 m around an average of 61 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 985 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,640 m.

The land around Nichinan is covered by trees (69%) and artificial surfaces (20%) within 3 km, trees (62%) and water (31%) within 16 km, and water (46%) and trees (45%) within 80 km.

3 km
271 m
16 km
985 m
80 km
1,640 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Kushima 17 km · Mochibaru 28 km · Shibushi 29 km · Miyakonojō 32 km · Sueyoshichō-ninokata 34 km · Miyazaki 36 km · Soo 36 km · Honjō 43 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 Nichinan (31.6°, 131.3667°, elevation 29 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).