Muramatsu weather in October

In October, Muramatsu sees average daytime highs of 19°C and overnight lows near 11°C, with 169 mm of rain across 16.7 wet days and about 11 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 16°C by the end. The sky is clear or mostly clear about 23% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 24 min by month's end. Set against the rest of the year, October is Muramatsu's 1st-clearest and 8th-windiest month. For the whole year in context, see Muramatsu's year-round climate.

Daytime high
19°
6th warmest
Overnight low
11°
7th coldest
Rainfall
169 mm
16.7 wet days
Daylight
11 hours
5:58 AM – 4:59 PM
Cloud cover
64%
1st clearest
Wind
7 km/h
8th windiest
Solar energy
2.99 kWh/m²
Travel score
5.1
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 16°C by the end.

A typical October day in Muramatsu reaches about 19°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32114
42113
52113
62113
72113
82112
92012
102012
112012
122012
132011
141911
151911
161911
171911
181910
191810
201810
211810
22189
23179
24179
25179
26179
27178
28168
29168
30168
31168

How October really feels in Muramatsu

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.

Muramatsu 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 / -2°19926.122.69.70.0
Feb / -2°1442218.510.50.0
Mar / 15621.211.611.71.0
Apr15° / 12915.91.712.93.8
May21° / 11°14014.30145.7
Jun24° / 16°18215014.65.8
Jul28° / 21°31119.8014.34.7
Aug29° / 22°21517.8013.54.5
Sep25° / 17°17616.2012.35.6
Oct19° / 11°16916.70115.1
Nov12° / 16719.32102.6
Dec / 20524.614.69.40.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43763
53763
63763
73862
83862
93862
104159
114159
124258
134258
144258
154456
164456
174456
184456
194456
204456
214555
224357
234357
244357
254357
264357
274357
284357
294357
304357
314357

Chance of precipitation in October

Any precipitation

Muramatsu gets around 169 mm of rain over 16.7 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 53% and peaks near 57% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
155
255
355
455
555
655
754
854
953
1053
1152
1251
1351
1450
1550
1649
1749
1850
1950
2050
2151
2252
2352
2453
2554
2655
2755
2856
2956
3057
3157

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 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13437236
23638215
33837205
44037194
54336184
64535173
74834153
85033143
95431132
105729122
116027112
126325102
13672391
14702181
15731971
16751771
17771661
18801451
19811351
20851140
21871030
2288930
2390820
2490820
2591720
2692710
2793610
2893610
2994510
3094510
3196400

Wind in October

Winds average 7 km/h in October.

Across October, 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.

0246810151015202531
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
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 5:44 AM to 6:14 AM, and sunset from 5:21 PM to 4:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:445:21
211.65:455:19
311.55:465:18
411.55:475:16
511.55:485:15
611.45:485:13
711.45:495:12
811.35:505:10
911.35:515:09
1011.25:525:07
1111.25:535:06
1211.25:545:04
1311.15:555:03
1411.15:565:01
1511.05:575:00
1611.05:584:59
1711.05:594:57
1810.96:004:56
1910.96:014:55
2010.96:024:53
2110.86:034:52
2210.86:044:51
2310.76:054:49
2410.76:064:48
2510.76:074:47
2610.66:084:46
2710.66:094:45
2810.66:104:44
2910.56:114:42
3010.56:124:41
3110.46:144:40

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.99 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 5.51 kWh/m² in May across the year — October's 2.99 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.5Moderate
Planning a trip in October

Hazard calendar for Muramatsu

In seasonPeak

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

Muramatsu 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 Muramatsu?

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

5.1
Sightseeing
4th-best month of the year
2.2
Beach & pool
6th-best month of the year

October is a reasonable time to visit Muramatsu for sightseeing.

What to pack for Muramatsu in October

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

In October, Muramatsu sees daytime highs around 19°C and nights near 11°C. Pack rain gear. About 17 days see rain.

rain gear

Sea temperature near Muramatsu in October

The nearest coast averages about 22°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 33 km away) is warmest in August at about 26°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 22 to Oct 30 — about 4.3 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar10Bracing
Apr11Bracing
May15Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Cool

UV index in Muramatsu in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Muramatsu peaks around August 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 11UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Muramatsu 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 Muramatsu is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1711 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun18Moderate
Jul16Moderate
Aug14Moderate
Sep13Moderate
Oct13Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Muramatsu?

Muramatsu sits at 37.7°N, 139.2°E, 21 m above sea level, in Japan. The nearest listed city is Gosen, 5.0 km away.

Topography around Muramatsu

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

Within 3 km, the terrain around Muramatsu has only modest variations in elevation — a maximum elevation change of 112 m around an average of 34 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,276 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,137 m.

The land around Muramatsu is covered by cropland (54%) and trees (29%) within 3 km, trees (62%) and cropland (26%) within 16 km, and trees (57%) and water (30%) within 80 km.

3 km
112 m
16 km
1,276 m
80 km
2,137 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Gosen 5.0 km · Kamo 12 km · Niitsu-honchō 13 km · Shirone 15 km · Agano 17 km · Suibara 18 km · Kameda-honchō 21 km · Sanjō 21 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 Muramatsu (37.6926°, 139.1713°, elevation 21 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).