Cheonan climate

Cheonan Weather in April

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

Average highs run from 12°C on April 1 to 18°C on April 30, and lows from 2°C to 8°C. Normal precipitation for the month is 72 mm over about 6 wet days.

April day by day

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

Normal daily high and low temperature at Cheonan, in °C, with the record for each date.-100102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
15°C
Average low
5°C
Precipitation
72 mm
Reanalysis high
26°CApr 30, 2005
Reanalysis low
-3°CApr 1, 1991
Daylight
12 h 35 min to 13 h 40 min
Cloud cover
57%
Humidity
75%
Dew point
5°C
Wind
15.1 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 112°C2°C20°C 2014-3°C 199119%
Apr 213°C3°C20°C 2018-2°C 199619%
Apr 313°C3°C20°C 2018-1°C 199620%
Apr 413°C3°C20°C 2002-1°C 201021%
Apr 513°C3°C23°C 19940°C 202022%
Apr 614°C4°C22°C 19940°C 201222%
Apr 714°C4°C21°C 2017-1°C 201222%
Apr 814°C4°C20°C 2008-1°C 201321%
Apr 914°C4°C22°C 2001-1°C 199321%
Apr 1015°C4°C21°C 2009-1°C 199321%
Apr 1115°C4°C22°C 2009-1°C 199622%
Apr 1215°C5°C20°C 1998-1°C 199623%
Apr 1315°C5°C20°C 20141°C 199623%
Apr 1415°C5°C21°C 20021°C 201021%
Apr 1516°C5°C22°C 20020°C 201023%
Apr 1616°C6°C23°C 20171°C 200524%
Apr 1716°C6°C21°C 20011°C 200624%
Apr 1816°C6°C22°C 19992°C 199624%
Apr 1916°C6°C24°C 20081°C 201323%
Apr 2016°C6°C23°C 20182°C 199123%
Apr 2117°C6°C22°C 19982°C 201322%
Apr 2217°C6°C25°C 20193°C 199724%
Apr 2317°C7°C24°C 19984°C 200625%
Apr 2417°C7°C24°C 20123°C 200625%
Apr 2517°C7°C24°C 19993°C 200225%
Apr 2618°C7°C25°C 20164°C 199325%
Apr 2718°C8°C22°C 19983°C 201025%
Apr 2818°C8°C22°C 19983°C 201025%
Apr 2918°C8°C24°C 19985°C 201026%
Apr 3018°C8°C26°C 20054°C 201026%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Cheonan, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+9).

April 1
sunrise 6:18 AM, sunset 6:53 PM
April 30
sunrise 5:39 AM, sunset 7:19 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.