Wuxi weather in January

In January, Wuxi sees average daytime highs of 7°C and overnight lows near 2°C, with 70 mm of precipitation across 9 wet days and about 10.2 hours of daylight. It is the 12th-warmest and 9th-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 37% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of January to 10 h 30 min by month's end. Set against the rest of the year, January is Wuxi's 4th-clearest and 9th-windiest month. For the whole year in context, see Wuxi's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
70 mm
9 wet days
Daylight
10 h 12 min
7:04 AM – 5:13 PM
Cloud cover
58%
4th clearest
Wind
13 km/h
9th windiest
Solar energy
2.7 kWh/m²
Travel score
0.9
out of 10

Wuxi is prefecture-level city in Jiangsu, China.

Air quality
Very high
PM2.5 43.5 µg/m³ · 2018
Density
950/km²
people per km²

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 Wuxi reaches about 7°C in the afternoon and slips back to 2°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 11°C. Set against its neighbours, January runs about 3°C cooler than December and about 2°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
182
282
382
472
572
672
772
872
972
1072
1172
1272
1372
1472
1572
1672
1772
1872
1972
2072
2172
2272
2372
2472
2572
2672
2772
2872
2972
3072
3172

How January really feels in Wuxi

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.

Wuxi weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7091.410.20.9
Feb / 739.20.910.81.9
Mar14° / 10311.80.311.83.7
Apr20° / 13°11010.3012.86.0
May25° / 18°13410.6013.66.6
Jun28° / 22°26113.20145.4
Jul31° / 26°17913.7013.83.8
Aug31° / 26°16814013.24.0
Sep27° / 22°889.1012.26.4
Oct22° / 16°596.7011.27.3
Nov16° / 10°627.9010.45.3
Dec10° / 486.70.4102.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% 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 (%)
15545
25446
35347
45248
55149
65149
75050
84951
94852
104753
114753
124555
134555
144555
154456
164456
174456
184456
194456
204456
214456
224456
234456
244456
254456
264456
274555
284555
294555
304555
314654

Chance of precipitation in January

Any precipitationSnow

Wuxi gets around 70 mm of rain and snow over 9 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 31% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1242
2242
3252
4262
5272
6282
7293
8293
9303
10303
11313
12314
13314
14314
15314
16315
17305
18305
19306
20296
21296
22296
23286
24286
25286
26286
27276
28276
29276
30275
31275

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 13 km/h in January.

Across January, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 hours at the start of January to 10 h 30 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 7:03 AM to 6:59 AM, and sunset from 5:01 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:035:01
210.07:035:02
310.07:035:03
410.07:035:03
510.07:045:04
610.07:045:05
710.07:045:05
810.07:045:06
910.17:045:07
1010.17:045:08
1110.17:045:09
1210.17:045:09
1310.17:045:10
1410.17:045:11
1510.17:045:12
1610.27:045:13
1710.27:035:14
1810.27:035:14
1910.27:035:15
2010.27:035:16
2110.27:035:17
2210.37:025:18
2310.37:025:19
2410.37:025:20
2510.37:015:20
2610.37:015:21
2710.47:005:22
2810.47:005:23
2910.47:005:24
3010.46:595:25
3110.56:595:26

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.7 kWh/m².

For context, solar energy here swings from a low near 2.55 kWh/m² to a high of 5.25 kWh/m² in May across the year — January's 2.7 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
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in January

Hazard calendar for Wuxi

In seasonPeak

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

Wuxi sits in the Pacific typhoon belt; the season peaks July–October.

Wuxi's rainy season runs May–August, when most of the year's rain falls.

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

Is January a good time to visit Wuxi?

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

0.9
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 Wuxi.

What to pack for Wuxi in January

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

In January, Wuxi sees daytime highs around 7°C and nights near 2°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 Wuxi 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 Wuxi peaks around September 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateSep 10UV 10Dec 18UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5High
Apr7High
May7High
Jun8Very high
Jul9Very high
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Wuxi 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 Wuxi is worst in December — around 59 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 28 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Wuxi's WHO annual average of 43.5 µg/m³.

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyDec 2259 µg/m³Aug 1028 µg/m³
PM2.5 (µg/m³)Level
Jan58Unhealthy
Feb53Poor
Mar52Poor
Apr47Poor
May39Poor
Jun34Moderate
Jul28Moderate
Aug28Moderate
Sep34Moderate
Oct42Poor
Nov49Poor
Dec59Unhealthy
Location & terrain

Where is Wuxi?

Wuxi sits at 31.6°N, 120.3°E, 10 m above sea level, in China. The nearest listed city is Suzhou, 41 km away.

Qingdao

Topography around Wuxi

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

Within 3 km, the terrain around Wuxi has only modest variations in elevation — a maximum elevation change of 222 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 323 m; within 80 km, large variations in elevation — a maximum elevation change of 669 m.

The land around Wuxi is covered by artificial surfaces (75%) within 3 km, artificial surfaces (48%) within 16 km, and cropland (35%), artificial surfaces (27%) and water (21%) within 80 km.

3 km
222 m
16 km
323 m
80 km
669 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Suzhou 41 km · Shanghai 118 km · Pingyao 134 km · Hangzhou 142 km · Nanjing 153 km · Ningbo 223 km · Tunxi 280 km · Qingdao 500 km

China travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / I
220 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$13,862
2025
Happiness
6.1 / 10
World Happiness, 2025
Homicide rate
0.5
per 100k, 2020
Road deaths
17.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 464
Religion
unaffiliated 52%folk religion 22%Buddhist 18%Christian 5%

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 Wuxi (31.5689°, 120.2886°, 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). 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).