Mount Vernon, Washington, United States Climate

Weather: 9.56°C/49.21°F, Wind SW at 0 km/h, 89% Humidity, 0% Chance of rain

United States
(Photo by Matt Briney on Unsplash)
Contents

Mount Vernon Climate Summary

Located at an elevation of 7.51 meters (24.64 feet) above sea level, Mount Vernon has a Mediterranean, warm summer climate (Classification: Csb). The district’s yearly temperature is 10.97ºC (51.75ºF) and it is -1.67% lower than United States’s averages. Mount Vernon typically receives about 175.67 millimeters (6.92 inches) of precipitation and has 182.37 rainy days (49.96% of the time) annually.

CountryUnited States
CityWashington
Longitude-122.3374543
Latitude48.4201105
Attitude/Elevation7.51m (24.64ft)
Local timeSaturday 07:54
Annual high temperature13.02ºC (55.44ºF)
Annual low temperature6.96ºC (44.53ºF)
Average annual precip.175.67mm (6.92in)
Warmest monthAugust (20.52ºC / 68.94ºF)
Coldest MonthFebruary (2.39ºC / 36.3ºF)
Wettest MonthNovember (281.91mm / 11.1in)
Driest MonthJuly (39.41mm / 1.55in)
Number of days with rainfall (≥ 1.0 mm)182.37 days (49.96%)
Days with no rain182.63 days (50.04%)
Humidity79.38%

Climate Mount Vernon: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)14.0(57.2)14.0(57.2)20.0(68.0)22.0(71.6)25.0(77.0)29.0(84.2)30.0(86.0)29.0(84.2)28.0(82.4)20.0(68.0)18.0(64.4)14.0(57.2)30.0(86.0)
Average high °C (°F)6.97(44.55)7.02(44.64)9.31(48.76)11.75(53.15)15.83(60.49)17.77(63.99)20.45(68.81)20.52(68.94)17.9(64.22)13.5(56.3)8.93(48.07)6.27(43.29)13.02(55.44)
Daily mean °C (°F)5.22(41.4)5.22(41.4)7.22(45.0)9.61(49.3)13.64(56.55)15.68(60.22)18.17(64.71)18.08(64.54)15.44(59.79)11.31(52.36)7.24(45.03)4.83(40.69)10.97(51.75)
Average low °C (°F)2.76(36.97)2.39(36.3)3.83(38.89)5.56(42.01)8.21(46.78)9.72(49.5)11.7(53.06)12.58(54.64)11.19(52.14)8.05(46.49)4.82(40.68)2.73(36.91)6.96(44.53)
Record low °C (°F)-9.0(15.8)-10.0(14.0)-4.0(24.8)0.0(0)-2.0(28.4)3.0(37.4)6.0(42.8)8.0(46.4)4.0(39.2)-3.0(26.6)-8.0(17.6)-7.0(19.4)-10.0(14.0)
Average precipitation mm (inches)241.58(9.51)217.98(8.58)241.98(9.53)184.43(7.26)138.3(5.44)100.28(3.95)39.41(1.55)60.04(2.36)144.5(5.69)231.75(9.12)281.91(11.1)225.86(8.89)175.67(6.92)
Average precipitation days (≥ 1.0 mm)18.7318.3620.9118.3613.012.645.826.6412.2716.0919.7319.8215.2
Average relative humidity (%)81.6482.2581.4579.3777.6477.4575.6277.0879.0879.4880.3781.0779.38
Mean monthly sunshine hours5.996.39.0611.8813.0513.2413.7213.511.367.216.275.659.77

Climate Graph

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

Mount Vernon

Mount Vernon Temperature by Month

July
18.17°C | 64.71°F
August
18.08°C | 64.54°F
June
15.68°C | 60.22°F
September
15.44°C | 59.79°F
May
13.64°C | 56.55°F
October
11.31°C | 52.36°F
April
9.61°C | 49.3°F
November
7.24°C | 45.03°F
March
7.22°C | 45.0°F
January
5.22°C | 41.4°F
February
5.22°C | 41.4°F
December
4.83°C | 40.69°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature12.0°C (53.6°F)7.9°C (46.22°F)5.0°C (41.0°F)
Avg Temperature11.0°C (51.8°F)6.16°C (43.09°F)3.0°C (37.4°F)
Min Temperature8.0°C (46.4°F)4.1°C (39.38°F)0.0°C (0°F)
Dew PointMaxAverageMin
Dew Point7.0°C (44.6°F)1.35°C (34.43°F)-7.0°C (19.4°F)
PrecipitationMaxAverageMinSum
Precipitation41.4mm | 1.63in8.05mm | 0.32in0.0mm | 0in249.4mm | 9.82in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind29.0kmh | 18.02mph13.39kmh | 8.32mph4.0kmh | 2.49mph
Gust Wind47.0kmh | 29.2mph22.16kmh | 13.77mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure41.4mb8.05mb0.0mb
Mount Vernon

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
December° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-12-015 | 41.02 | 35.6836 | 3.7329.88 | 10120.3 | 0.01
2018-12-025 | 41.01 | 33.8794 | 2.4930.15 | 10210.0 | 0.0
2018-12-034 | 39.2-2 | 28.4656 | 3.7330.39 | 10290.0 | 0.0
2018-12-044 | 39.2-5 | 23.0556 | 3.7330.33 | 10270.0 | 0.0
2018-12-054 | 39.2-6 | 21.2515 | 3.1130.24 | 10240.0 | 0.0
2018-12-063 | 37.4-6 | 21.2545 | 3.1130.18 | 10220.0 | 0.0
2018-12-074 | 39.2-7 | 19.4496 | 3.7330.18 | 10220.0 | 0.0
2018-12-086 | 42.80 | 32.0699 | 5.5930.3 | 10260.9 | 0.04
2018-12-097 | 44.62 | 35.67517 | 10.5630.15 | 102123.2 | 0.91
2018-12-106 | 42.84 | 39.28914 | 8.730.21 | 10232.5 | 0.1
2018-12-117 | 44.64 | 39.28423 | 14.2929.77 | 100829.6 | 1.17
2018-12-126 | 42.83 | 37.48021 | 13.0530.09 | 10196.4 | 0.25
2018-12-138 | 46.45 | 41.08127 | 16.7829.94 | 101412.5 | 0.49
2018-12-1411 | 51.82 | 35.65819 | 11.8129.62 | 10035.2 | 0.2
2018-12-157 | 44.61 | 33.87016 | 9.9429.94 | 10140.6 | 0.02
2018-12-1610 | 50.05 | 41.07919 | 11.8129.71 | 100617.2 | 0.68
2018-12-179 | 48.25 | 41.08125 | 15.5329.83 | 101014.1 | 0.56
2018-12-189 | 48.26 | 42.88715 | 9.3229.68 | 100518.3 | 0.72
2018-12-198 | 46.44 | 39.28214 | 8.730.15 | 10210.6 | 0.02
2018-12-2010 | 50.05 | 41.07429 | 18.0229.71 | 100620.1 | 0.79
2018-12-214 | 39.2-0 | 32.07311 | 6.8430.15 | 10210.6 | 0.02
2018-12-226 | 42.80 | 32.06918 | 11.1830.09 | 10199.1 | 0.36
2018-12-236 | 42.84 | 39.28815 | 9.3229.94 | 101411.0 | 0.43
2018-12-246 | 42.83 | 37.4858 | 4.9730.06 | 10180.0 | 0.0
2018-12-254 | 39.20 | 32.0785 | 3.1130.21 | 10230.0 | 0.0
2018-12-265 | 41.02 | 35.68214 | 8.730.06 | 10187.0 | 0.28
2018-12-274 | 39.22 | 35.6865 | 3.1130.33 | 10270.3 | 0.01
2018-12-285 | 41.02 | 35.68417 | 10.5630.27 | 102527.4 | 1.08
2018-12-299 | 48.27 | 44.68917 | 10.5629.94 | 101441.4 | 1.63
2018-12-306 | 42.82 | 35.67814 | 8.730.18 | 10221.1 | 0.04
2018-12-313 | 37.4-3 | 26.6695 | 3.1130.45 | 10310.0 | 0.0

Mount Vernon 11 Year Historical Weather Data

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