Osan Weather in March
Average highs run from 7°C on March 1 to 12°C on March 31, and lows from -1°C to 2°C. Normal precipitation for the month is 43 mm over about 6 wet days.
March day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
March at a glance
- Average high
- 9°C
- Average low
- 0°C
- Precipitation
- 43 mm
- Reanalysis high
- 20°CMar 28, 2014
- Reanalysis low
- -7°CMar 7, 2004
- Daylight
- 11 h 22 min to 12 h 33 min
- Cloud cover
- 54%
- Humidity
- 75%
- Dew point
- 0°C
- Wind
- 15.8 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 |
|---|---|---|---|---|---|
| Mar 1 | 7°C | -1°C | 14°C 1992 | -6°C 2016 | 19% |
| Mar 2 | 7°C | -1°C | 12°C 2019 | -7°C 1993 | 19% |
| Mar 3 | 7°C | -1°C | 12°C 2007 | -5°C 2005 | 20% |
| Mar 4 | 7°C | -1°C | 15°C 2007 | -6°C 2005 | 19% |
| Mar 5 | 7°C | -1°C | 16°C 2016 | -5°C 2007 | 20% |
| Mar 6 | 7°C | -1°C | 11°C 1998 | -6°C 2007 | 20% |
| Mar 7 | 7°C | -1°C | 12°C 1995 | -7°C 2004 | 19% |
| Mar 8 | 8°C | -1°C | 15°C 2020 | -4°C 2001 | 19% |
| Mar 9 | 8°C | -1°C | 16°C 2013 | -6°C 2001 | 19% |
| Mar 10 | 8°C | -1°C | 13°C 2006 | -6°C 2015 | 20% |
| Mar 11 | 8°C | 0°C | 14°C 2008 | -5°C 2005 | 20% |
| Mar 12 | 8°C | 0°C | 16°C 2008 | -6°C 2005 | 20% |
| Mar 13 | 9°C | 0°C | 17°C 1997 | -5°C 2006 | 18% |
| Mar 14 | 9°C | 0°C | 18°C 2018 | -3°C 1991 | 18% |
| Mar 15 | 9°C | 0°C | 14°C 1992 | -2°C 2011 | 17% |
| Mar 16 | 9°C | 0°C | 16°C 2004 | -3°C 2011 | 18% |
| Mar 17 | 9°C | 0°C | 16°C 2014 | -3°C 1993 | 19% |
| Mar 18 | 10°C | 0°C | 18°C 2009 | -3°C 2004 | 18% |
| Mar 19 | 10°C | 0°C | 17°C 2009 | -3°C 1996 | 18% |
| Mar 20 | 10°C | 1°C | 18°C 2015 | -3°C 2013 | 18% |
| Mar 21 | 10°C | 1°C | 19°C 2009 | -4°C 2013 | 18% |
| Mar 22 | 10°C | 1°C | 15°C 2006 | -4°C 1999 | 18% |
| Mar 23 | 11°C | 1°C | 15°C 2007 | -2°C 2015 | 18% |
| Mar 24 | 11°C | 1°C | 17°C 2001 | -3°C 2015 | 18% |
| Mar 25 | 11°C | 1°C | 16°C 2020 | -3°C 2009 | 19% |
| Mar 26 | 11°C | 1°C | 18°C 2020 | -3°C 2010 | 18% |
| Mar 27 | 11°C | 2°C | 17°C 2014 | -1°C 2012 | 18% |
| Mar 28 | 11°C | 2°C | 20°C 2014 | -2°C 1995 | 18% |
| Mar 29 | 12°C | 2°C | 17°C 1998 | -3°C 1999 | 18% |
| Mar 30 | 12°C | 2°C | 18°C 2018 | -1°C 1997 | 20% |
| Mar 31 | 12°C | 2°C | 19°C 2003 | -2°C 1997 | 20% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- March 1
- sunrise 7:03 AM, sunset 6:25 PM
- March 31
- sunrise 6:20 AM, sunset 6:53 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.