Sejong Weather in April
Average highs run from 14°C on April 1 to 20°C on April 30, and lows from 1°C to 7°C. Normal precipitation for the month is 78 mm over about 6 wet days.
April day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
April at a glance
- Average high
- 17°C
- Average low
- 4°C
- Precipitation
- 78 mm
- Reanalysis high
- 30°CApr 30, 2005
- Reanalysis low
- -5°CApr 1, 1991
- Daylight
- 12 h 35 min to 13 h 39 min
- Cloud cover
- 57%
- Humidity
- 72%
- Dew point
- 5°C
- Wind
- 14.4 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 |
|---|---|---|---|---|---|
| Apr 1 | 14°C | 1°C | 23°C 2014 | -5°C 1991 | 22% |
| Apr 2 | 14°C | 1°C | 24°C 2002 | -4°C 1996 | 22% |
| Apr 3 | 15°C | 1°C | 23°C 2018 | -4°C 2010 | 23% |
| Apr 4 | 15°C | 2°C | 22°C 2002 | -4°C 1996 | 24% |
| Apr 5 | 15°C | 2°C | 24°C 1994 | -4°C 2020 | 25% |
| Apr 6 | 15°C | 2°C | 22°C 1994 | -3°C 2012 | 25% |
| Apr 7 | 15°C | 2°C | 23°C 2017 | -4°C 2012 | 25% |
| Apr 8 | 16°C | 2°C | 23°C 2009 | -4°C 2013 | 24% |
| Apr 9 | 16°C | 3°C | 25°C 2009 | -5°C 1993 | 24% |
| Apr 10 | 16°C | 3°C | 25°C 2009 | -3°C 2013 | 23% |
| Apr 11 | 17°C | 3°C | 26°C 2009 | -4°C 1996 | 24% |
| Apr 12 | 17°C | 3°C | 24°C 1998 | -4°C 1996 | 24% |
| Apr 13 | 17°C | 4°C | 22°C 2009 | -3°C 1996 | 24% |
| Apr 14 | 17°C | 4°C | 24°C 2002 | -3°C 2010 | 24% |
| Apr 15 | 17°C | 4°C | 24°C 2002 | -3°C 2010 | 25% |
| Apr 16 | 18°C | 4°C | 27°C 2017 | -1°C 2006 | 26% |
| Apr 17 | 18°C | 4°C | 24°C 2003 | -1°C 2006 | 26% |
| Apr 18 | 18°C | 5°C | 23°C 2003 | -1°C 1996 | 25% |
| Apr 19 | 18°C | 5°C | 28°C 2009 | -1°C 2013 | 24% |
| Apr 20 | 18°C | 5°C | 26°C 2018 | 1°C 1996 | 23% |
| Apr 21 | 18°C | 5°C | 26°C 2018 | 0°C 2013 | 23% |
| Apr 22 | 19°C | 5°C | 27°C 2002 | 1°C 2020 | 25% |
| Apr 23 | 19°C | 6°C | 25°C 1998 | 0°C 2020 | 25% |
| Apr 24 | 19°C | 6°C | 26°C 2012 | 0°C 2020 | 26% |
| Apr 25 | 19°C | 6°C | 26°C 2014 | 1°C 2002 | 26% |
| Apr 26 | 20°C | 6°C | 25°C 2016 | 1°C 1993 | 26% |
| Apr 27 | 20°C | 7°C | 24°C 1996 | 1°C 2004 | 26% |
| Apr 28 | 20°C | 7°C | 26°C 2005 | 0°C 2004 | 25% |
| Apr 29 | 20°C | 7°C | 26°C 1998 | 3°C 2011 | 26% |
| Apr 30 | 20°C | 7°C | 30°C 2005 | 2°C 2010 | 26% |
Chance of rain
- 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 7:18 PM
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.