Wuxi Weather in May

NASA POWER reanalysis for the half-degree grid cell around Wuxi, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 27°C on May 1 to 30°C on May 31, and lows from 17°C to 20°C. Normal precipitation for the month is 195 mm over about 19 wet days.

May day by day

The normal high and low for each date, in °C.

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

May at a glance

Average high: 28°C
Average low: 18°C
Precipitation: 195 mm
Reanalysis high: 36°CMay 26, 2018
Reanalysis low: 9°CMay 4, 2004
Daylight: 13 h 10 min to 13 h 41 min
Cloud cover: 79%
Humidity: 80%
Dew point: 19°C
Wind: 11.5 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

Date	Normal high	Normal low	Reanalysis high	Reanalysis low	Chance wet
May 1	27°C	17°C	34°C 2005	11°C 1991	61%
May 2	27°C	17°C	34°C 1994	9°C 1991	60%
May 3	27°C	17°C	33°C 1997	11°C 1991	59%
May 4	28°C	17°C	32°C 2005	9°C 2004	59%
May 5	28°C	17°C	33°C 2020	10°C 2004	59%
May 6	28°C	18°C	34°C 2020	12°C 2014	59%
May 7	28°C	18°C	34°C 2020	12°C 1991	60%
May 8	28°C	18°C	35°C 2020	11°C 1991	60%
May 9	28°C	18°C	33°C 2020	12°C 1991	61%
May 10	28°C	18°C	34°C 2011	12°C 1998	60%
May 11	28°C	18°C	33°C 2009	12°C 1998	60%
May 12	28°C	18°C	34°C 1994	12°C 2015	58%
May 13	28°C	18°C	33°C 1994	12°C 2006	58%
May 14	28°C	18°C	34°C 2000	12°C 2006	57%
May 15	28°C	18°C	33°C 2007	14°C 2006	56%
May 16	28°C	18°C	34°C 1999	12°C 2016	54%
May 17	28°C	18°C	33°C 1999	14°C 2016	54%
May 18	29°C	19°C	33°C 2012	13°C 2006	55%
May 19	29°C	19°C	34°C 2018	15°C 2006	56%
May 20	29°C	19°C	35°C 2018	15°C 1999	56%
May 21	29°C	19°C	35°C 2018	13°C 1995	56%
May 22	29°C	19°C	33°C 1991	12°C 1995	56%
May 23	29°C	19°C	34°C 1991	11°C 2011	56%
May 24	29°C	19°C	35°C 1991	11°C 2011	55%
May 25	29°C	19°C	35°C 2018	12°C 2011	56%
May 26	29°C	20°C	36°C 2018	13°C 1998	56%
May 27	29°C	20°C	34°C 2004	13°C 1999	55%
May 28	29°C	20°C	34°C 2015	14°C 1993	56%
May 29	29°C	20°C	34°C 2015	13°C 1993	56%
May 30	29°C	20°C	34°C 2011	16°C 2013	56%
May 31	30°C	20°C	34°C 2007	17°C 2008	58%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

May 1: sunrise 5:55 AM, sunset 7:05 PM
May 31: sunrise 5:40 AM, sunset 7:21 PM

Every day of May: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.