Mishōhirajō weather in January

In January, Mishōhirajō sees average daytime highs of 10°C and overnight lows near 7°C, with 87 mm of precipitation across 11.7 wet days and about 10.1 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 10°C through the month. The sky is clear or mostly clear about 28% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of January to 10 h 24 min by month's end. Set against the rest of the year, January is Mishōhirajō's 9th-clearest and 1st-windiest month. For the whole year in context, see Mishōhirajō's year-round climate.

Daytime high
10°
12th warmest
Overnight low
1st coldest
Precipitation
87 mm
11.7 wet days
Daylight
10 hours
7:18 AM – 5:20 PM
Cloud cover
60%
9th clearest
Wind
25 km/h
1st windiest
Solar energy
2.79 kWh/m²
Travel score
2.3
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 10°C through the month.

A typical January day in Mishōhirajō reaches about 10°C in the afternoon and slips back to 7°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 14°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)
1118
2118
3118
4118
5118
6118
7118
8117
9117
10107
11107
12107
13107
14107
15107
16107
17107
18107
19107
20107
21107
22107
23107
24107
25107
26107
27107
28107
29107
30107
31107

Mishōhirajō weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 8711.70.810.12.3
Feb11° / 9310.80.410.82.6
Mar14° / 10°13512.4011.73.8
Apr17° / 13°14610.7012.85.4
May20° / 17°17210.7013.76.2
Jun23° / 21°30614.9014.15.7
Jul26° / 24°21012.20146.2
Aug27° / 25°14112.1013.26.2
Sep26° / 23°20413.4012.26.3
Oct22° / 19°1649.7011.26.9
Nov17° / 14°1039.2010.35.8
Dec13° / 10010.40.29.93.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25446
35446
45347
55347
65347
75248
85248
95149
105050
114951
124852
134753
144654
154654
164555
174456
184357
194456
204456
214357
224357
234357
244357
254357
264456
274555
284654
294654
304753
314951

Chance of precipitation in January

Any precipitationSnow

Mishōhirajō gets around 87 mm of rain and snow over 11.7 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 42% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1321
2331
3332
4332
5332
6342
7342
8352
9352
10362
11362
12372
13382
14382
15393
16403
17403
18413
19413
20413
21423
22423
23413
24413
25413
26413
27403
28403
29393
30393
31383

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in January

Winds average 25 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 25 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
125breezy
225breezy
325breezy
425breezy
525breezy
625breezy
725breezy
825breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy
3125breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 54 min at the start of January to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:17 AM to 7:12 AM, and sunset from 5:09 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:175:09
29.97:175:09
39.97:185:10
49.97:185:11
59.97:185:12
69.97:185:12
79.97:185:13
89.97:185:14
99.97:185:15
1010.07:185:15
1110.07:185:16
1210.07:185:17
1310.07:185:18
1410.07:185:19
1510.07:185:20
1610.07:185:20
1710.17:175:21
1810.17:175:22
1910.17:175:23
2010.17:175:24
2110.17:165:25
2210.27:165:26
2310.27:165:27
2410.27:155:28
2510.27:155:29
2610.27:155:29
2710.37:145:30
2810.37:145:31
2910.37:135:32
3010.37:135:33
3110.47:125:34

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.79 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 5.47 kWh/m² in May across the year — January's 2.79 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.9Moderate
242.9Moderate
252.9Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in January

Hazard calendar for Mishōhirajō

In seasonPeak

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

Mishōhirajō 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 Mishōhirajō?

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

2.3
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 Mishōhirajō.

What to pack for Mishōhirajō in January

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

In January, Mishōhirajō sees daytime highs around 10°C and nights near 7°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 12 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Mishōhirajō in January

The nearest coast averages about 19°C in January — 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 28°C and coldest in February near 18°C.

It's comfortable for a long swim from May 1 to Dec 23 — about 7.8 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar18Cool
Apr19Cool
May21Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Refreshing

UV index in Mishōhirajō in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mishōhirajō peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highModerateJun 23UV 11Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Mishōhirajō 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 Mishōhirajō is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1420 µg/m³Oct 1410 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Mishōhirajō?

Mishōhirajō sits at 33.0°N, 132.6°E, 10 m above sea level, in Japan. The nearest listed city is Sukumo, 16 km away.

Topography around Mishōhirajō

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

Within 3 km, the terrain around Mishōhirajō has significant variations in elevation — a maximum elevation change of 305 m around an average of 59 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,052 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,529 m.

The land around Mishōhirajō is covered by trees (67%) within 3 km, trees (49%) and water (48%) within 16 km, and water (62%) and trees (36%) within 80 km.

3 km
305 m
16 km
1,052 m
80 km
1,529 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Sukumo 16 km · Uwajima 29 km · Nakamura 34 km · Shimoda 39 km · Uwa 45 km · Yawatahama 56 km · Ōzu 60 km · Saiki 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 Mishōhirajō (32.9637°, 132.5661°, elevation 10 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).