Wuxi in Summer
In summer (June, July and August), Wuxi sees average daytime highs around 30°C and overnight lows near 25°C, with 608 mm of rain over about 41 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 27°C in early June to 30°C by late August. The sky is clear or mostly clear about 23% of the time across summer, and the air most often feels miserable.
Summer is Wuxi's 3rd-best season to visit on our travel score. For the whole year in context, see Wuxi's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 608 mm
- 41 wet days
- Avg wind
- 14 km/h
- Travel score
- 4.4
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Wuxi in Summer
Over the season highs climb from about 27°C in early June to 30°C by late August.
A typical summer day in Wuxi reaches about 30°C and drops to 25°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Wuxi
Once humidity and wind are folded in, summer brings about 68 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Wuxi weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 2° | 70 | 9 | 1.4 | 10.2 | 0.9 |
| Feb | 9° / 4° | 73 | 9.2 | 0.9 | 10.8 | 1.9 |
| Mar | 14° / 8° | 103 | 11.8 | 0.3 | 11.8 | 3.7 |
| Apr | 20° / 13° | 110 | 10.3 | 0 | 12.8 | 6.0 |
| May | 25° / 18° | 134 | 10.6 | 0 | 13.6 | 6.6 |
| Jun | 28° / 22° | 261 | 13.2 | 0 | 14 | 5.4 |
| Jul | 31° / 26° | 179 | 13.7 | 0 | 13.8 | 3.8 |
| Aug | 31° / 26° | 168 | 14 | 0 | 13.2 | 4.0 |
| Sep | 27° / 22° | 88 | 9.1 | 0 | 12.2 | 6.4 |
| Oct | 22° / 16° | 59 | 6.7 | 0 | 11.2 | 7.3 |
| Nov | 16° / 10° | 62 | 7.9 | 0 | 10.4 | 5.3 |
| Dec | 10° / 4° | 48 | 6.7 | 0.4 | 10 | 2.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 23% of the time across summer.
Chance of precipitation in Summer
Wuxi gets around 608 mm of rain over 41 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 54 min in early June to 12 h 42 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.0 kWh/m².
Hazard calendar for Wuxi
In summer, Wuxi overlaps its pacific typhoon and rainy season 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.
Is summer a good time to visit Wuxi?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Wuxi for sightseeing.
What to pack for Wuxi in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Wuxi sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
UV index in Wuxi in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 5 | 7 | 7 | 8 | 9 | 9 | 10 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | High | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 5 | High |
| Apr | 7 | High |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Wuxi in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 58 | 53 | 52 | 47 | 39 | 34 | 28 | 28 | 34 | 42 | 49 | 59 |
| Level | Unhealthy | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 58 | Unhealthy |
| Feb | 53 | Poor |
| Mar | 52 | Poor |
| Apr | 47 | Poor |
| May | 39 | Poor |
| Jun | 34 | Moderate |
| Jul | 28 | Moderate |
| Aug | 28 | Moderate |
| Sep | 34 | Moderate |
| Oct | 42 | Poor |
| Nov | 49 | Poor |
| Dec | 59 | Unhealthy |
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.
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.
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
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.