Mountlake Terrace, Washington, United States Climate

Weather: 7.14°C/44.85°F, Wind SW at 0.89 km/h, 79% Humidity, 0% Chance of rain

United States
(Photo by Wonderlane on Unsplash)
Contents

Mountlake Terrace Climate Summary

Located at an elevation of 139.17 meters (456.59 feet) above sea level, Mountlake Terrace has a Mediterranean, warm summer climate (Classification: Csb). The district’s yearly temperature is 12.16ºC (53.89ºF) and it is -0.48% lower than United States’s averages. Mountlake Terrace typically receives about 121.41 millimeters (4.78 inches) of precipitation and has 167.26 rainy days (45.82% of the time) annually.

CountryUnited States
CityWashington
Longitude-122.3087405
Latitude47.7881528
Attitude/Elevation139.17m (456.59ft)
Local timeWednesday 23:28
Annual high temperature14.74ºC (58.53ºF)
Annual low temperature7.57ºC (45.63ºF)
Average annual precip.121.41mm (4.78in)
Warmest monthAugust (24.09ºC / 75.36ºF)
Coldest MonthFebruary (2.71ºC / 36.88ºF)
Wettest MonthNovember (196.6mm / 7.74in)
Driest MonthJuly (23.17mm / 0.91in)
Number of days with rainfall (≥ 1.0 mm)167.26 days (45.82%)
Days with no rain197.74 days (54.18%)
Humidity78.44%

Climate Mountlake Terrace: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)14.0(57.2)17.0(62.6)25.0(77.0)25.0(77.0)30.0(86.0)30.0(86.0)33.0(91.4)36.0(96.8)32.0(89.6)26.0(78.8)19.0(66.2)14.0(57.2)36.0(96.8)
Average high °C (°F)7.47(45.45)7.95(46.31)10.48(50.86)13.21(55.78)17.83(64.09)19.95(67.91)23.68(74.62)24.09(75.36)20.75(69.35)15.12(59.22)9.64(49.35)6.73(44.11)14.74(58.53)
Daily mean °C (°F)5.58(42.04)5.75(42.35)7.96(46.33)10.54(50.97)15.08(59.14)17.28(63.1)20.57(69.03)20.66(69.19)17.41(63.34)12.48(54.46)7.68(45.82)4.97(40.95)12.16(53.89)
Average low °C (°F)3.14(37.65)2.71(36.88)4.11(39.4)5.81(42.46)8.61(47.5)10.41(50.74)13.08(55.54)14.02(57.24)12.31(54.16)8.68(47.62)5.13(41.23)2.81(37.06)7.57(45.63)
Record low °C (°F)-7.0(19.4)-9.0(15.8)-3.0(26.6)-1.0(30.2)0.0(0)4.0(39.2)7.0(44.6)7.0(44.6)6.0(42.8)0.0(0)-10.0(14.0)-7.0(19.4)-10.0(14.0)
Average precipitation mm (inches)188.21(7.41)149.5(5.89)164.44(6.47)128.95(5.08)84.45(3.32)65.38(2.57)23.17(0.91)30.95(1.22)85.81(3.38)157.94(6.22)196.6(7.74)181.54(7.15)121.41(4.78)
Average precipitation days (≥ 1.0 mm)18.4517.018.9117.1811.8211.915.455.4510.1815.0918.5517.2713.94
Average relative humidity (%)82.9983.381.1978.7675.4175.0471.5672.575.8179.0982.1383.5178.44
Mean monthly sunshine hours6.376.649.5312.1613.2413.413.7913.5411.467.326.616.2910.03

Climate Graph

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

Mountlake Terrace

Mountlake Terrace Temperature by Month

August
20.66°C | 69.19°F
July
20.57°C | 69.03°F
September
17.41°C | 63.34°F
June
17.28°C | 63.1°F
May
15.08°C | 59.14°F
October
12.48°C | 54.46°F
April
10.54°C | 50.97°F
March
7.96°C | 46.33°F
November
7.68°C | 45.82°F
February
5.75°C | 42.35°F
January
5.58°C | 42.04°F
December
4.97°C | 40.95°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 Temperature14.0°C (57.2°F)9.1°C (48.38°F)5.0°C (41.0°F)
Avg Temperature10.0°C (50.0°F)7.13°C (44.83°F)3.0°C (37.4°F)
Min Temperature9.0°C (48.2°F)3.39°C (38.1°F)-0.0°C (0°F)
Dew PointMaxAverageMin
Dew Point9.0°C (48.2°F)4.1°C (39.38°F)1.0°C (33.8°F)
PrecipitationMaxAverageMinSum
Precipitation43.5mm | 1.71in6.3mm | 0.25in0.0mm | 0in195.2mm | 7.69in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind21.0kmh | 13.05mph10.9kmh | 6.77mph5.0kmh | 3.11mph
Gust Wind35.0kmh | 21.75mph18.61kmh | 11.56mph10.0kmh | 6.21mph
Sea Level PressureMaxAverageMin
Sea Level Pressure43.5mb6.3mb0.0mb
Mountlake Terrace

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
March° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2011-03-013 | 37.42 | 35.6959 | 5.5929.94 | 10146.1 | 0.24
2011-03-026 | 42.84 | 39.29116 | 9.9429.71 | 10064.3 | 0.17
2011-03-037 | 44.64 | 39.28410 | 6.2130.0 | 10162.1 | 0.08
2011-03-046 | 42.83 | 37.4817 | 4.3530.03 | 10171.3 | 0.05
2011-03-057 | 44.63 | 37.4829 | 5.5929.94 | 10142.2 | 0.09
2011-03-065 | 41.02 | 35.6877 | 4.3529.94 | 10140.1 | 0.0
2011-03-075 | 41.01 | 33.8836 | 3.7329.94 | 10140.6 | 0.02
2011-03-086 | 42.84 | 39.29210 | 6.2129.97 | 10152.0 | 0.08
2011-03-098 | 46.46 | 42.89317 | 10.5629.97 | 10159.9 | 0.39
2011-03-108 | 46.46 | 42.89221 | 13.0529.74 | 100718.5 | 0.73
2011-03-117 | 44.64 | 39.28714 | 8.730.09 | 10192.2 | 0.09
2011-03-126 | 42.85 | 41.09111 | 6.8429.97 | 10154.4 | 0.17
2011-03-137 | 44.65 | 41.09315 | 9.3229.83 | 101013.5 | 0.53
2011-03-148 | 46.45 | 41.09117 | 10.5630.0 | 10162.8 | 0.11
2011-03-158 | 46.46 | 42.89417 | 10.5629.71 | 100610.6 | 0.42
2011-03-166 | 42.84 | 39.29213 | 8.0829.88 | 101214.9 | 0.59
2011-03-176 | 42.83 | 37.4879 | 5.5930.03 | 10171.0 | 0.04
2011-03-187 | 44.63 | 37.4849 | 5.5929.8 | 10094.0 | 0.16
2011-03-197 | 44.63 | 37.4838 | 4.9729.77 | 10080.2 | 0.01
2011-03-207 | 44.62 | 35.68211 | 6.8429.68 | 10050.5 | 0.02
2011-03-217 | 44.64 | 39.2897 | 4.3529.65 | 10047.8 | 0.31
2011-03-226 | 42.82 | 35.6879 | 5.5929.97 | 10150.8 | 0.03
2011-03-239 | 48.23 | 37.4768 | 4.9729.8 | 10090.0 | 0.0
2011-03-2410 | 50.05 | 41.0785 | 3.1129.5 | 9991.1 | 0.04
2011-03-258 | 46.44 | 39.2868 | 4.9729.62 | 10034.7 | 0.19
2011-03-268 | 46.43 | 37.4837 | 4.3529.62 | 10030.8 | 0.03
2011-03-277 | 44.63 | 37.48610 | 6.2129.68 | 10051.0 | 0.04
2011-03-288 | 46.44 | 39.28713 | 8.0830.03 | 10171.9 | 0.07
2011-03-298 | 46.46 | 42.89612 | 7.4630.0 | 10169.1 | 0.36
2011-03-3010 | 50.09 | 48.29713 | 8.0830.06 | 101843.5 | 1.71
2011-03-3110 | 50.09 | 48.29610 | 6.2130.09 | 101923.3 | 0.92

Mountlake Terrace 11 Year Historical Weather Data

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