Hefei climate

Hefei Weather in May

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

Average highs run from 26°C on May 1 to 30°C on May 31, and lows from 14°C to 18°C. Normal precipitation for the month is 96 mm over about 9 wet days.

May day by day

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

Normal daily high and low temperature at Hefei, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
28°C
Average low
16°C
Precipitation
96 mm
Reanalysis high
38°CMay 19, 2011
Reanalysis low
6°CMay 4, 2004
Daylight
13 h 25 min to 14 h 05 min
Cloud cover
69%
Humidity
70%
Dew point
15°C
Wind
13.7 km/h

Every day of the month

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

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
May 126°C14°C33°C 199410°C 201034%
May 226°C14°C33°C 20087°C 199135%
May 326°C14°C35°C 20209°C 200434%
May 426°C14°C37°C 19976°C 200436%
May 527°C14°C35°C 20006°C 201436%
May 627°C15°C33°C 201110°C 199134%
May 727°C15°C33°C 20119°C 201935%
May 827°C15°C35°C 20119°C 200335%
May 927°C15°C35°C 19959°C 200335%
May 1027°C15°C34°C 20097°C 199234%
May 1127°C15°C32°C 19939°C 199235%
May 1227°C15°C32°C 199410°C 201534%
May 1327°C15°C33°C 201310°C 200633%
May 1427°C15°C36°C 200011°C 200833%
May 1527°C16°C35°C 199711°C 199533%
May 1628°C16°C35°C 199410°C 201632%
May 1728°C16°C34°C 201111°C 200431%
May 1828°C16°C36°C 201112°C 200232%
May 1928°C16°C38°C 201111°C 200632%
May 2028°C17°C37°C 201113°C 200532%
May 2129°C17°C36°C 200012°C 201532%
May 2229°C17°C37°C 200012°C 201131%
May 2329°C17°C36°C 201911°C 201130%
May 2429°C17°C36°C 200111°C 201130%
May 2529°C17°C36°C 200112°C 200331%
May 2629°C18°C36°C 199713°C 201130%
May 2729°C18°C35°C 200714°C 200931%
May 2830°C18°C36°C 201413°C 200631%
May 2930°C18°C36°C 200711°C 199331%
May 3030°C18°C35°C 200714°C 199832%
May 3130°C18°C36°C 199714°C 200831%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Hefei, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

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

May 1
sunrise 5:26 AM, sunset 6:51 PM
May 31
sunrise 5:06 AM, sunset 7:11 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.