Takasaki weather in January

In January, Takasaki sees average daytime highs of 8°C and overnight lows near -1°C, with 68 mm of precipitation across 8.5 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 11th-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 51% 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 Takasaki's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Takasaki's year-round climate.

Daytime high
12th warmest
Overnight low
-1°
1st coldest
Precipitation
68 mm
8.5 wet days
Daylight
9 h 48 min
7:00 AM – 4:47 PM
Cloud cover
44%
2nd clearest
Wind
8 km/h
2nd windiest
Solar energy
2.89 kWh/m²
Travel score
1.4
out of 10

Takasaki is city in Gunma prefecture, Japan.

Density
812/km²
people per km²
Founded
1900

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 Takasaki reaches about 8°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 12°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)
191
290
380
480
580
680
780
880
980
1080
1180
1280
1380
1480
1580
168-1
178-1
188-1
197-1
207-1
217-1
227-1
237-1
247-1
257-1
267-1
278-1
288-1
298-1
308-1
318-1

How January really feels in Takasaki

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.

Takasaki weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°688.53.89.81.4
Feb / -0°719.64.110.61.6
Mar12° / 13114.43.311.73.0
Apr17° / 14814.70.412.94.9
May22° / 13°17816013.95.6
Jun24° / 17°23920.7014.44.9
Jul28° / 21°28823.2014.24.2
Aug29° / 22°22522.1013.44.1
Sep25° / 18°25719.8012.25.1
Oct20° / 12°22516.9011.15.3
Nov15° / 859.90.110.14.6
Dec10° / 618.31.19.62.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37624
47624
57624
67525
77525
87426
97426
107327
117228
127228
137030
147030
156832
166832
176733
186634
196634
206535
216535
226535
236535
246535
256535
266634
276733
286733
296733
306733
316733

Chance of precipitation in January

Any precipitationSnow

Takasaki gets around 68 mm of rain and snow over 8.5 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 28% and peaks near 30% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1226
2237
3237
4248
5248
6259
7269
82610
92710
102811
112812
122912
132913
142913
153014
163014
173015
183015
193015
202916
212916
222916
232916
242916
252916
262915
272915
282915
292916
302916
312916

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 8 km/h in January.

Across January, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 7:00 AM to 6:53 AM, and sunset from 4:34 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:004:34
29.67:004:35
39.67:014:35
49.67:014:36
59.67:014:37
69.67:014:38
79.67:014:39
89.67:014:39
99.77:014:40
109.77:014:41
119.77:014:42
129.77:014:43
139.77:004:44
149.77:004:45
159.87:004:46
169.87:004:47
179.87:004:48
189.86:594:48
199.86:594:49
209.96:594:50
219.96:584:51
229.96:584:52
239.96:574:53
2410.06:574:54
2510.06:564:55
2610.06:564:56
2710.06:554:57
2810.16:554:59
2910.16:545:00
3010.16:545:01
3110.16:535:02

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.89 kWh/m².

For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 5.31 kWh/m² in May across the year — January's 2.89 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
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.1Moderate
273.1Moderate
283.1Moderate
293.2Moderate
303.2Moderate
313.3Moderate
Planning a trip in January

Hazard calendar for Takasaki

In seasonPeak

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

Takasaki's rainy season runs March–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 Takasaki?

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

1.4
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 Takasaki.

What to pack for Takasaki in January

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

In January, Takasaki sees daytime highs around 8°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Takasaki 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 Takasaki peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 16UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Takasaki 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 Takasaki is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct12Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Takasaki?

Takasaki sits at 36.3°N, 139.0°E, 93 m above sea level, in Japan. The nearest listed city is Kanekomachi, 9.0 km away.

Topography around Takasaki

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

Within 3 km, the terrain around Takasaki has only modest variations in elevation — a maximum elevation change of 37 m around an average of 94 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 856 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,854 m.

The land around Takasaki is covered by artificial surfaces (84%) within 3 km, artificial surfaces (41%), trees (31%) and cropland (21%) within 16 km, and trees (72%) within 80 km.

3 km
37 m
16 km
856 m
80 km
2,854 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Kanekomachi 9.0 km · Maebashi 10 km · Tamamura 10 km · Yoshii 10 km · Annaka 11 km · Fujioka 11 km · Tomioka 14 km · Ogura 14 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 Takasaki (36.3333°, 139.0167°, elevation 93 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).