Incheon Weather in April
Average highs run from 9°C on April 1 to 14°C on April 30, and lows from 4°C to 9°C. Normal precipitation for the month is 66 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
- 12°C
- Average low
- 7°C
- Precipitation
- 66 mm
- Reanalysis high
- 20°CApr 26, 2016
- Reanalysis low
- 1°CApr 2, 1995
- Daylight
- 12 h 36 min to 13 h 42 min
- Cloud cover
- 55%
- Humidity
- 80%
- Dew point
- 6°C
- Wind
- 16.9 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 | 9°C | 4°C | 14°C 2003 | 1°C 1991 | 19% |
| Apr 2 | 9°C | 4°C | 14°C 2015 | 1°C 1995 | 20% |
| Apr 3 | 9°C | 5°C | 14°C 2002 | 1°C 1996 | 21% |
| Apr 4 | 10°C | 5°C | 15°C 1992 | 2°C 1996 | 21% |
| Apr 5 | 10°C | 5°C | 15°C 2002 | 3°C 2020 | 23% |
| Apr 6 | 10°C | 5°C | 17°C 1998 | 3°C 2012 | 23% |
| Apr 7 | 10°C | 5°C | 17°C 1994 | 2°C 2010 | 23% |
| Apr 8 | 10°C | 6°C | 16°C 2005 | 1°C 1993 | 22% |
| Apr 9 | 11°C | 6°C | 19°C 2001 | 1°C 1993 | 22% |
| Apr 10 | 11°C | 6°C | 16°C 2008 | 3°C 2013 | 23% |
| Apr 11 | 11°C | 6°C | 18°C 1991 | 2°C 1996 | 24% |
| Apr 12 | 11°C | 6°C | 17°C 2004 | 2°C 1996 | 25% |
| Apr 13 | 11°C | 7°C | 16°C 2014 | 3°C 2010 | 25% |
| Apr 14 | 12°C | 7°C | 16°C 1995 | 3°C 2010 | 24% |
| Apr 15 | 12°C | 7°C | 15°C 2002 | 3°C 2010 | 26% |
| Apr 16 | 12°C | 7°C | 18°C 2008 | 3°C 2011 | 26% |
| Apr 17 | 12°C | 7°C | 18°C 2008 | 5°C 2009 | 26% |
| Apr 18 | 12°C | 7°C | 18°C 2004 | 5°C 2013 | 25% |
| Apr 19 | 12°C | 8°C | 20°C 2008 | 3°C 2013 | 25% |
| Apr 20 | 12°C | 8°C | 18°C 2008 | 4°C 2013 | 24% |
| Apr 21 | 13°C | 8°C | 18°C 1994 | 5°C 2013 | 24% |
| Apr 22 | 13°C | 8°C | 19°C 2019 | 6°C 1997 | 25% |
| Apr 23 | 13°C | 8°C | 19°C 1998 | 5°C 2006 | 26% |
| Apr 24 | 13°C | 8°C | 19°C 1999 | 5°C 2010 | 26% |
| Apr 25 | 13°C | 9°C | 20°C 1999 | 6°C 2002 | 27% |
| Apr 26 | 14°C | 9°C | 20°C 2016 | 6°C 2004 | 26% |
| Apr 27 | 14°C | 9°C | 17°C 1998 | 6°C 2004 | 25% |
| Apr 28 | 14°C | 9°C | 18°C 2002 | 5°C 2010 | 25% |
| Apr 29 | 14°C | 9°C | 18°C 1998 | 6°C 2010 | 26% |
| Apr 30 | 14°C | 9°C | 20°C 2015 | 7°C 2010 | 26% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- April 1
- sunrise 6:19 AM, sunset 6:55 PM
- April 30
- sunrise 5:40 AM, sunset 7:22 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.