Ganghwa-gun Weather in December
Average highs run from 7°C on December 1 to 3°C on December 31, and lows from 3°C to -1°C. Normal precipitation for the month is 28 mm over about 6 wet days.
December day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
December at a glance
- Average high
- 4°C
- Average low
- 0°C
- Precipitation
- 28 mm
- Reanalysis high
- 13°CDec 1, 1994
- Reanalysis low
- -10°CDec 26, 2012
- Daylight
- 9 h 46 min to 9 h 36 min
- Cloud cover
- 51%
- Humidity
- 74%
- Dew point
- -2°C
- Wind
- 21.6 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 |
|---|---|---|---|---|---|
| Dec 1 | 7°C | 3°C | 13°C 1994 | -6°C 1996 | 30% |
| Dec 2 | 7°C | 3°C | 12°C 2004 | -4°C 1997 | 29% |
| Dec 3 | 7°C | 3°C | 13°C 2004 | -5°C 1997 | 30% |
| Dec 4 | 6°C | 2°C | 12°C 2002 | -2°C 2014 | 28% |
| Dec 5 | 6°C | 2°C | 11°C 2010 | -5°C 2008 | 28% |
| Dec 6 | 6°C | 2°C | 11°C 1992 | -7°C 2008 | 26% |
| Dec 7 | 6°C | 2°C | 11°C 1994 | -3°C 2018 | 25% |
| Dec 8 | 5°C | 1°C | 10°C 2004 | -5°C 2012 | 24% |
| Dec 9 | 5°C | 1°C | 11°C 2004 | -6°C 2012 | 24% |
| Dec 10 | 5°C | 1°C | 11°C 2004 | -5°C 2002 | 23% |
| Dec 11 | 5°C | 1°C | 10°C 1994 | -5°C 2017 | 22% |
| Dec 12 | 5°C | 1°C | 10°C 2004 | -6°C 2017 | 22% |
| Dec 13 | 5°C | 1°C | 9°C 1998 | -6°C 2005 | 22% |
| Dec 14 | 5°C | 1°C | 9°C 1998 | -5°C 2010 | 22% |
| Dec 15 | 4°C | 0°C | 10°C 1991 | -7°C 2010 | 20% |
| Dec 16 | 4°C | 0°C | 10°C 2019 | -7°C 1994 | 19% |
| Dec 17 | 4°C | 0°C | 9°C 2008 | -9°C 2005 | 18% |
| Dec 18 | 4°C | 0°C | 10°C 1998 | -7°C 2009 | 16% |
| Dec 19 | 4°C | 0°C | 11°C 1997 | -6°C 2012 | 16% |
| Dec 20 | 4°C | 0°C | 9°C 2016 | -7°C 1999 | 16% |
| Dec 21 | 4°C | 0°C | 11°C 2016 | -7°C 1999 | 16% |
| Dec 22 | 4°C | 0°C | 11°C 2016 | -6°C 2005 | 16% |
| Dec 23 | 4°C | -1°C | 9°C 1994 | -7°C 2010 | 16% |
| Dec 24 | 3°C | -1°C | 10°C 1994 | -10°C 2010 | 16% |
| Dec 25 | 3°C | -1°C | 8°C 1994 | -9°C 2012 | 16% |
| Dec 26 | 3°C | -1°C | 9°C 2007 | -10°C 2012 | 16% |
| Dec 27 | 3°C | -1°C | 8°C 1996 | -7°C 2018 | 15% |
| Dec 28 | 3°C | -1°C | 7°C 1998 | -8°C 2018 | 15% |
| Dec 29 | 3°C | -1°C | 6°C 2003 | -7°C 2006 | 14% |
| Dec 30 | 3°C | -1°C | 7°C 1993 | -8°C 2020 | 15% |
| Dec 31 | 3°C | -1°C | 6°C 1996 | -8°C 2009 | 16% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- December 1
- sunrise 7:30 AM, sunset 5:16 PM
- December 31
- sunrise 7:49 AM, sunset 5:25 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.