Masuda weather in January

In January, Masuda sees average daytime highs of 8°C and overnight lows near 6°C, with 144 mm of precipitation across 18.2 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 11% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of January to 10 h 18 min by month's end. Set against the rest of the year, January is Masuda's 11th-clearest and 1st-windiest month. For the whole year in context, see Masuda's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
144 mm
18.2 wet days
Daylight
9 h 54 min
7:24 AM – 5:19 PM
Cloud cover
70%
11th clearest
Wind
22 km/h
1st windiest
Solar energy
2.22 kWh/m²
Travel score
1.2
out of 10

Masuda is city in Shimane Prefecture, Japan.

Density
61/km²
people per km²
Founded
1952

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 8°C through the month.

A typical January day in Masuda reaches about 8°C in the afternoon and slips back to 6°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 12°C. Set against its neighbours, January runs about 3°C cooler than December and on par with February.

10°15°151015202531
Avg high (°C)Avg low (°C)
197
296
396
496
596
696
796
896
996
1096
1196
1296
1396
1486
1586
1686
1785
1885
1985
2085
2185
2285
2385
2485
2585
2685
2785
2885
2985
3085
3185

Masuda weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 14418.23.89.91.2
Feb / 12115.23.110.71.5
Mar12° / 14513.90.811.72.7
Apr15° / 12°12411.6012.84.6
May19° / 16°13110.6013.86.1
Jun22° / 20°19612.8014.36.0
Jul26° / 24°22712.8014.16.1
Aug28° / 25°13411.2013.36.2
Sep25° / 22°18012012.26.5
Oct20° / 18°11110.1011.16.5
Nov16° / 13°10812010.24.7
Dec11° / 14517.31.79.72.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43466
53466
63466
73466
83367
93367
103268
113268
123268
133268
143268
153169
163169
173169
183169
193169
203169
213169
223169
233169
243268
253268
263268
273466
283466
293466
303565
313565

Chance of precipitation in January

Any precipitationSnow

Masuda gets around 144 mm of rain and snow over 18.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 59% and peaks near 63% on the wettest days, and about 4 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15410
25411
35411
45411
55411
65511
75611
85611
95710
105710
115811
125911
135911
146011
156112
166112
176213
186213
196313
206314
216314
226314
236314
246215
256215
266215
276115
286115
296115
306015
316015

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 22 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 21 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2422breezy
2522breezy
2622breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 42 min at the start of January to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:24 AM to 7:18 AM, and sunset from 5:07 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:245:07
29.77:255:08
39.77:255:09
49.77:255:09
59.87:255:10
69.87:255:11
79.87:255:12
89.87:255:12
99.87:255:13
109.87:255:14
119.87:255:15
129.87:255:16
139.97:255:17
149.97:255:18
159.97:255:18
169.97:245:19
179.97:245:20
1810.07:245:21
1910.07:245:22
2010.07:235:23
2110.07:235:24
2210.07:235:25
2310.17:225:26
2410.17:225:27
2510.17:215:28
2610.17:215:29
2710.27:205:30
2810.27:205:31
2910.27:195:32
3010.27:195:33
3110.37:185:34

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.22 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 5.67 kWh/m² in May across the year — January's 2.22 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.3Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in January

Hazard calendar for Masuda

In seasonPeak

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

Masuda 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 January a good time to visit Masuda?

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

1.2
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Masuda.

What to pack for Masuda in January

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

In January, Masuda sees daytime highs around 8°C and nights near 6°C. Pack a warm layer and rain gear. Worth having: a windbreaker. About 18 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Masuda in January

The nearest coast averages about 15°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 9 to Nov 20 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Masuda in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Masuda peaks around July 14 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 14UV 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 Masuda in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Masuda is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1022 µg/m³Oct 1310 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar22Moderate
Apr22Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct10Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Masuda?

Masuda sits at 34.7°N, 131.8°E, 14 m above sea level, in Japan. The nearest listed city is Hamada, 32 km away.

Topography around Masuda

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

Within 3 km, the terrain around Masuda has only modest variations in elevation — a maximum elevation change of 246 m around an average of 72 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 872 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,326 m.

The land around Masuda is covered by trees (72%) within 3 km, trees (69%) and water (27%) within 16 km, and trees (55%) and water (40%) within 80 km.

3 km
246 m
16 km
872 m
80 km
1,326 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Hamada 32 km · Hagi 50 km · Gōtsuchō 51 km · Hatsukaichi 57 km · Ōno-hara 57 km · Miyajima 60 km · Ōtake 61 km · Gion 62 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 Masuda (34.6667°, 131.85°, elevation 14 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).