Mibu weather in January

In January, Mibu sees average daytime highs of 7°C and overnight lows near -1°C, with 55 mm of precipitation across 6.3 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 7°C through the month. The sky is clear or mostly clear about 59% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Mibu's 1st-clearest and 4th-windiest month. For the whole year in context, see Mibu's year-round climate.

Daytime high
12th warmest
Overnight low
-1°
1st coldest
Precipitation
55 mm
6.3 wet days
Daylight
9 h 48 min
6:57 AM – 4:43 PM
Cloud cover
40%
1st clearest
Wind
7 km/h
4th windiest
Solar energy
2.81 kWh/m²
Travel score
1.2
out of 10

Mibu is town in Shimotsuga district, Tochigi prefecture, Japan.

Density
646/km²
people per km²
Founded
1889

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 7°C through the month.

A typical January day in Mibu reaches about 7°C in the afternoon and slips back to -1°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 11°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
180
280
380
480
580
680
780
880
97-1
107-1
117-1
127-1
137-1
147-1
157-1
167-1
177-1
187-1
197-1
207-1
217-1
227-1
237-1
247-1
257-1
267-1
277-1
287-1
297-1
307-1
317-1

How January really feels in Mibu

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Mibu weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°556.32.59.81.2
Feb / -0°547.12.610.61.6
Mar12° / 11312.62.311.73.0
Apr17° / 13613.40.312.95.0
May22° / 13°17314.9013.95.8
Jun25° / 17°20418.4014.45.2
Jul28° / 21°26221.5014.24.2
Aug29° / 22°20719.6013.44.1
Sep26° / 19°23917.8012.25.2
Oct20° / 13°20614.8011.15.6
Nov15° / 919.2010.14.6
Dec10° / 556.80.69.62.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37921
47921
57822
67822
77822
87822
97822
107723
117723
127525
137426
147426
157327
167327
177129
187129
197129
207030
217129
227129
237030
247129
257129
267228
277129
287129
297228
307129
317129

Chance of precipitation in January

Any precipitationSnow

Mibu gets around 55 mm of rain and snow over 6.3 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 21% and peaks near 22% on the wettest days, and about 3 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1184
2184
3185
4185
5195
6195
7196
8206
9206
10217
11217
12227
13228
14228
15228
16229
17229
18229
19229
20229
21229
222210
232110
242110
252110
262110
27209
28209
29209
30209
31209

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 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 7 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
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 min at the start of January to 10 h 06 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 6:57 AM to 6:50 AM, and sunset from 4:31 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.66:574:31
29.66:574:31
39.66:584:32
49.66:584:33
59.66:584:34
69.66:584:34
79.66:584:35
89.66:584:36
99.66:584:37
109.76:584:38
119.76:584:39
129.76:584:40
139.76:584:40
149.76:574:41
159.86:574:42
169.86:574:43
179.86:574:44
189.86:564:45
199.86:564:46
209.96:564:47
219.96:554:48
229.96:554:49
239.96:544:50
2410.06:544:51
2510.06:544:52
2610.06:534:53
2710.06:524:54
2810.16:524:55
2910.16:514:56
3010.16:514:57
3110.16:504:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.81 kWh/m².

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.1 kWh/m² in May across the year — January's 2.81 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.9Moderate
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 Mibu

In seasonPeak

None of Mibu's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Mibu's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Mibu?

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
10th-best month of the year

January is a weaker month for outdoor sightseeing in Mibu.

What to pack for Mibu in January

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

In January, Mibu sees daytime highs around 7°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat. About 6 days see rain.

a warm layera heavy coat

UV index in Mibu in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mibu peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highModerateJul 17UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Mibu 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 Mibu is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 179 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug13Moderate
Sep11Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Mibu?

Mibu sits at 36.4°N, 139.8°E, 59 m above sea level, in Japan. The nearest listed city is Shimotsuke, 6.0 km away.

Topography around Mibu

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

Within 3 km, the terrain around Mibu has only modest variations in elevation — a maximum elevation change of 46 m around an average of 58 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 588 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,553 m.

The land around Mibu is covered by cropland (48%) and artificial surfaces (27%) within 3 km, cropland (39%), artificial surfaces (30%) and trees (24%) within 16 km, and trees (53%), artificial surfaces (21%) and cropland (20%) within 80 km.

3 km
46 m
16 km
588 m
80 km
2,553 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Shimotsuke 6.0 km · Tochigi 7.0 km · Kaminokawa 11 km · Oyama 13 km · Yūki 15 km · Kanuma 16 km · Utsunomiya 18 km · Mooka 19 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 Mibu (36.4167°, 139.8°, elevation 59 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. 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).