Climate averages 1991–2020

Wuxi weather
in May.

A warm, wet month: the 5th warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 25.2°C Daytime mean, May
Average low 16.8°C Night-time mean, May
Rainfall 134 mm 11 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Wuxi · average highYear overview

May is a warm month in Wuxi: daytime highs average 25.2°C and nights cool to about 16.8°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 134 mm of rain on roughly 11 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 45 min on an average May day.

The nearest other city in this atlas is Jiangyin (38 km away). In May its highs average 25.4°C, about as warm as Wuxi, with 115 mm of rain.

Among the 884 cities listed in China, Wuxi ranks joint 551st of 884 for the warmest May highs and joint 560th of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Wuxi is level with that mean.

From May to June, average highs rise by 2.9°C to 28.1°C, and monthly rainfall rises from 134 mm to 261 mm.

The annual picture

May in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Wuxi climate table

1991–2020
Monthly climate averages for Wuxi, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 8.0°C0.4°C0.4°C708.910.310 h
February 10.2°C2.0°C2.0°C749.311.011 h
March 14.5°C5.9°C5.9°C10311.812.012 h
April 20.3°C11.3°C11.3°C11010.312.913 h
May, selected 25.2°C16.8°C16.8°C13410.613.714 h
June 28.1°C21.1°C21.1°C26113.214.214 h
July 31.5°C25.5°C25.5°C17913.714.014 h
August 31.2°C25.2°C25.2°C16814.013.313 h
September 27.4°C20.6°C20.6°C889.112.412 h
October 22.6°C14.8°C14.8°C596.711.411 h
November 16.7°C9.0°C9.0°C627.910.611 h
December 10.3°C2.6°C2.6°C486.610.110 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

May in nearby cities

Distance from Wuxi

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Wuxi) is explained once on the Wuxi year overview and on the Sources, method and limits page.