Heyan climate

Heyan Weather in April

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

Average highs run from 17°C on April 1 to 21°C on April 30, and lows from 6°C to 11°C. Normal precipitation for the month is 90 mm over about 12 wet days.

April day by day

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

Normal daily high and low temperature at Heyan, in °C, with the record for each date.-10010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
19°C
Average low
8°C
Precipitation
90 mm
Reanalysis high
30°CApr 28, 1998
Reanalysis low
-6°CApr 11, 2001
Daylight
12 h 29 min to 13 h 22 min
Cloud cover
77%
Humidity
73%
Dew point
8°C
Wind
7.9 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
Apr 117°C6°C23°C 20151°C 199639%
Apr 217°C6°C24°C 2002-1°C 199641%
Apr 317°C6°C24°C 20180°C 199644%
Apr 417°C6°C23°C 20020°C 199644%
Apr 517°C7°C21°C 19982°C 200744%
Apr 617°C7°C23°C 20020°C 201344%
Apr 717°C7°C25°C 20050°C 201845%
Apr 817°C7°C25°C 20083°C 201544%
Apr 918°C7°C25°C 1999-1°C 200143%
Apr 1018°C7°C25°C 2018-4°C 200143%
Apr 1118°C7°C23°C 1991-6°C 200144%
Apr 1218°C7°C22°C 2018-1°C 200644%
Apr 1318°C8°C24°C 2000-2°C 200645%
Apr 1419°C8°C25°C 20020°C 201046%
Apr 1519°C8°C25°C 20091°C 201047%
Apr 1619°C8°C26°C 20133°C 201047%
Apr 1719°C8°C26°C 19983°C 200246%
Apr 1819°C8°C27°C 19984°C 201645%
Apr 1919°C9°C25°C 20074°C 202044%
Apr 2019°C9°C26°C 19984°C 199643%
Apr 2120°C9°C26°C 20043°C 200144%
Apr 2220°C9°C29°C 20043°C 200144%
Apr 2320°C10°C26°C 19983°C 202044%
Apr 2420°C10°C27°C 20194°C 199746%
Apr 2520°C10°C26°C 20194°C 200246%
Apr 2620°C10°C27°C 19985°C 201047%
Apr 2721°C10°C29°C 19984°C 199946%
Apr 2821°C10°C30°C 19987°C 199946%
Apr 2921°C10°C28°C 19987°C 199147%
Apr 3021°C11°C26°C 20114°C 199147%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Heyan, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

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

April 1
sunrise 6:35 AM, sunset 7:04 PM
April 30
sunrise 6:02 AM, sunset 7:24 PM

Every day of April: 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.