Osan Weather in October
Average highs run from 23°C on October 1 to 16°C on October 31, and lows from to 6°C. Normal precipitation for the month is 56 mm over about 6 wet days.
October day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 20°C
- Precipitation
- 56 mm
- Record high
- 29°COct 1, 1977
- Record low
- -2°COct 31, 1997
- Daylight
- 11 h 49 min to 10 h 41 min
- Cloud cover
- 50%
- Humidity
- 76%
- Dew point
- 10°C
- Wind
- 13.3 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Oct 1 | 23°C | 29°C 1977 | 6°C 2004 | 21% | |
| Oct 2 | 22°C | 29°C 1977 | 8°C 1985 | 20% | |
| Oct 3 | 22°C | 28°C 1977 | 7°C 1999 | 20% | |
| Oct 4 | 22°C | 29°C 1977 | 8°C 1999 | 21% | |
| Oct 5 | 23°C | 12°C | 28°C 2013 | 6°C 1984 | 20% |
| Oct 6 | 23°C | 27°C 1990 | 6°C 1995 | 19% | |
| Oct 7 | 23°C | 27°C 2013 | 8°C 1995 | 19% | |
| Oct 8 | 22°C | 28°C 1982 | 8°C 1996 | 18% | |
| Oct 9 | 23°C | 12°C | 26°C 2013 | 6°C 1989 | 17% |
| Oct 10 | 22°C | 12°C | 27°C 1987 | 6°C 1974 | 16% |
| Oct 11 | 22°C | 12°C | 26°C 1998 | 7°C 1977 | 15% |
| Oct 12 | 21°C | 29°C 2014 | 1°C 1997 | 14% | |
| Oct 13 | 22°C | 10°C | 26°C 1982 | 4°C 1988 | 14% |
| Oct 14 | 21°C | 25°C 2001 | 3°C 1973 | 14% | |
| Oct 15 | 20°C | 10°C | 27°C 2016 | 7°C 1997 | 14% |
| Oct 16 | 20°C | 26°C 1979 | 5°C 1974 | 15% | |
| Oct 17 | 20°C | 27°C 2015 | 1°C 2021 | 16% | |
| Oct 18 | 20°C | 10°C | 28°C 2008 | 2°C 1989 | 16% |
| Oct 19 | 20°C | 25°C 1977 | 4°C 2022 | 16% | |
| Oct 20 | 20°C | 10°C | 26°C 2016 | 3°C 2007 | 16% |
| Oct 21 | 20°C | 24°C 2006 | 1°C 1984 | 16% | |
| Oct 22 | 19°C | 24°C 1990 | 2°C 1980 | 17% | |
| Oct 23 | 19°C | 9°C | 24°C 1997 | 1°C 1974 | 17% |
| Oct 24 | 19°C | 23°C 2010 | 2°C 1983 | 17% | |
| Oct 25 | 18°C | 23°C 1977 | -1°C 1982 | 18% | |
| Oct 26 | 18°C | 23°C 1988 | 0°C 1980 | 18% | |
| Oct 27 | 18°C | 7°C | 23°C 1979 | 0°C 1996 | 19% |
| Oct 28 | 17°C | 25°C 1977 | 0°C 2002 | 19% | |
| Oct 29 | 16°C | 24°C 1977 | -1°C 1976 | 19% | |
| Oct 30 | 16°C | 24°C 2009 | 1°C 2018 | 19% | |
| Oct 31 | 16°C | 6°C | 23°C 2004 | -2°C 1997 | 19% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- October 1
- sunrise 6:27 AM, sunset 6:16 PM
- October 31
- sunrise 6:55 AM, sunset 5:36 PM
Other months
Sources
Records: NOAA GHCN-Daily, station KSM00047108, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.