Osan, Gyeonggi-Do, South Korea Climate

Weather: 20.33°C/68.59°F, Wind SW at 1.54 km/h, 40% Humidity, 0% Chance of rain

South Korea
(Photo by Raphael Lovaski on Unsplash)
Contents

Osan Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Osan has a Humid continental, severe dry winter, hot summer climate (Classification: Dwa). The district’s yearly temperature is 11.67ºC (53.01ºF) and it is -1.93% lower than South Korea’s averages. Osan typically receives about 149.6 millimeters (5.89 inches) of precipitation and has 120.39 rainy days (32.98% of the time) annually.

CountrySouth Korea
CityGyeonggi-do
Longitude127.0772212
Latitude37.1498096
Attitude/ElevationNonem (0ft)
Local timeFriday 04:04
Annual high temperature15.5ºC (59.9ºF)
Annual low temperature6.23ºC (43.21ºF)
Average annual precip.149.6mm (5.89in)
Warmest monthAugust (28.39ºC / 83.1ºF)
Coldest MonthJanuary (-7.57ºC / 18.37ºF)
Wettest MonthJuly (485.27mm / 19.11in)
Driest MonthJanuary (30.26mm / 1.19in)
Number of days with rainfall (≥ 1.0 mm)120.39 days (32.98%)
Days with no rain244.61 days (67.02%)
Humidity70.11%

Climate Osan: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)8.97(48.15)15.95(60.71)20.94(69.69)25.92(78.66)29.91(85.84)33.9(93.02)35.9(96.62)38.89(102.0)30.91(87.64)27.92(82.26)22.93(73.27)11.97(53.55)38.89(102.0)
Average high °C (°F)-0.45(31.19)3.27(37.89)10.11(50.2)16.0(60.8)21.64(70.95)25.62(78.12)27.15(80.87)28.39(83.1)24.29(75.72)18.38(65.08)10.34(50.61)1.33(34.39)15.5(59.9)
Daily mean °C (°F)-3.97(24.85)-0.47(31.15)5.82(42.48)11.55(52.79)17.29(63.12)21.84(71.31)24.08(75.34)24.88(76.78)20.11(68.2)13.85(56.93)6.77(44.19)-1.76(28.83)11.67(53.01)
Average low °C (°F)-7.57(18.37)-4.47(23.95)0.38(32.68)4.71(40.48)9.44(48.99)14.31(57.76)18.83(65.89)19.21(66.58)14.09(57.36)8.12(46.62)2.75(36.95)-5.04(22.93)6.23(43.21)
Record low °C (°F)-27.92(-18.26)-17.95(-0.31)-9.97(14.05)-2.99(26.62)1.0(33.8)4.99(40.98)7.98(46.36)9.97(49.95)2.99(37.38)-1.0(30.2)-5.98(21.24)-16.95(1.49)-27.92(-18.26)
Average precipitation mm (inches)30.26(1.19)45.91(1.81)59.97(2.36)106.07(4.18)132.22(5.21)182.13(7.17)485.27(19.11)360.21(14.18)176.09(6.93)94.06(3.7)81.54(3.21)41.5(1.63)149.6(5.89)
Average precipitation days (≥ 1.0 mm)4.544.266.899.068.0714.621.7621.5810.425.627.625.9810.03
Average relative humidity (%)63.2759.4359.2662.7770.5475.5285.3284.5879.5271.6466.6462.7670.11
Mean monthly sunshine hours7.29.1110.1111.4612.9413.1311.5412.010.168.657.177.1610.05

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Osan in recent years.

Osan

Osan Temperature by Month

August
24.88°C | 76.78°F
July
24.08°C | 75.34°F
June
21.84°C | 71.31°F
September
20.11°C | 68.2°F
May
17.29°C | 63.12°F
October
13.85°C | 56.93°F
April
11.55°C | 52.79°F
November
6.77°C | 44.19°F
March
5.82°C | 42.48°F
February
-0.47°C | 31.15°F
December
-1.76°C | 28.83°F
January
-3.97°C | 24.85°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature8.97°C (48.15°F)3.54°C (38.37°F)-4.99°C (23.02°F)
Avg Temperature5.98°C (42.76°F)0.35°C (32.63°F)-6.98°C (19.44°F)
Min Temperature2.99°C (37.38°F)-2.67°C (27.19°F)-10.97°C (12.25°F)
Dew PointMaxAverageMin
Dew Point2.99°C (37.38°F)-6.53°C (20.25°F)-24.93°C (-12.87°F)
PrecipitationMaxAverageMinSum
Precipitation23.13mm | 0.91in1.61mm | 0.06in0.0mm | 0in49.97mm | 1.97in
Snowdepth3.89mm | 0.15in0.23mm | 0.01in0.0mm | 0in7.090000000000001mm | 0.28in
WindMaxAverageMin
Wind20.94kmh | 13.01mph7.91kmh | 4.92mph1.99kmh | 1.24mph
Gust Wind28.92kmh | 17.97mph12.16kmh | 7.56mph3.99kmh | 2.48mph
Sea Level PressureMaxAverageMin
Sea Level Pressure23.13mb1.61mb0.0mb
Osan

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
December° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2015-12-011.0 | 33.8-5.98 | 21.24642.99 | 1.8630.21 | 1023.020.0 | 0
2015-12-023.99 | 39.181.0 | 33.8848.97 | 5.5729.92 | 1013.0523.13 | 0.91
2015-12-031.0 | 33.8-2.99 | 26.627720.94 | 13.0129.8 | 1009.078.28 | 0.33
2015-12-04-1.99 | 28.42-6.98 | 19.447318.94 | 11.7729.97 | 1015.050.7 | 0.03
2015-12-051.99 | 35.58-2.99 | 26.62769.97 | 6.230.15 | 1021.030.0 | 0
2015-12-060.0 | 0-7.98 | 17.64552.99 | 1.8630.27 | 1025.020.0 | 0
2015-12-070.0 | 0-5.98 | 21.24643.99 | 2.4830.36 | 1028.010.0 | 0
2015-12-081.99 | 35.58-5.98 | 21.24601.99 | 1.2430.39 | 1029.010.0 | 0
2015-12-093.99 | 39.18-1.0 | 30.2752.99 | 1.8630.36 | 1028.010.0 | 0
2015-12-104.99 | 40.982.99 | 37.38894.99 | 3.130.06 | 1018.045.09 | 0.2
2015-12-114.99 | 40.981.0 | 33.87613.96 | 8.6729.97 | 1015.050.0 | 0
2015-12-122.99 | 37.38-2.99 | 26.62675.98 | 3.7230.21 | 1023.020.0 | 0
2015-12-135.98 | 42.76-1.0 | 30.2642.99 | 1.8630.18 | 1022.030.0 | 0
2015-12-143.99 | 39.180.0 | 0794.99 | 3.130.09 | 1019.043.49 | 0.14
2015-12-153.99 | 39.181.0 | 33.88212.96 | 8.0529.97 | 1015.052.19 | 0.09
2015-12-16-1.0 | 30.2-8.97 | 15.855519.94 | 12.3929.97 | 1015.050.0 | 0
2015-12-17-5.98 | 21.24-18.94 | -2.093410.97 | 6.8230.18 | 1022.030.0 | 0
2015-12-18-5.98 | 21.24-16.95 | 1.49404.99 | 3.130.33 | 1027.010.1 | 0.0
2015-12-19-2.99 | 26.62-9.97 | 14.05636.98 | 4.3430.18 | 1022.030.2 | 0.01
2015-12-20-1.99 | 28.42-8.97 | 15.85675.98 | 3.7230.15 | 1021.030.8 | 0.03
2015-12-211.0 | 33.8-3.99 | 24.82753.99 | 2.4830.21 | 1023.021.3 | 0.05
2015-12-221.99 | 35.58-4.99 | 23.02663.99 | 2.4830.3 | 1026.020.0 | 0
2015-12-232.99 | 37.38-1.0 | 30.2754.99 | 3.130.12 | 1020.031.6 | 0.06
2015-12-241.0 | 33.8-4.99 | 23.02646.98 | 4.3430.03 | 1017.040.0 | 0
2015-12-25-1.0 | 30.2-12.96 | 8.67437.98 | 4.9630.06 | 1018.040.0 | 0
2015-12-260.0 | 0-7.98 | 17.645612.96 | 8.0530.0 | 1016.040.2 | 0.01
2015-12-27-4.99 | 23.02-17.95 | -0.31357.98 | 4.9630.3 | 1026.020.0 | 0
2015-12-28-6.98 | 19.44-24.93 | -12.872510.97 | 6.8230.36 | 1028.010.1 | 0.0
2015-12-29-3.99 | 24.82-8.97 | 15.85726.98 | 4.3430.09 | 1019.040.3 | 0.01
2015-12-300.0 | 0-8.97 | 15.85553.99 | 2.4830.3 | 1026.022.09 | 0.08
2015-12-310.0 | 0-3.99 | 24.82795.98 | 3.7230.3 | 1026.020.4 | 0.02

Osan 11 Year Historical Weather Data

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