Sammamish, Washington, United States Climate

Weather: 10.12°C/50.22°F, Wind SW at 3.09 km/h, 91% Humidity, 0% Chance of rain

United States
(Photo by Alan Rodriguez on Unsplash)

Sammamish Climate Summary

Located at an elevation of 109.51 meters (359.28 feet) above sea level, Sammamish has a Mediterranean, warm summer climate (Classification: Csb). The district’s yearly temperature is 12.33ºC (54.19ºF) and it is -0.31% lower than United States’s averages. Sammamish typically receives about 84.08 millimeters (3.31 inches) of precipitation and has 151.46 rainy days (41.5% of the time) annually.

CountryUnited States
CityWashington
Longitude-122.0355736
Latitude47.6162683
Attitude/Elevation109.51m (359.28ft)
Local timeSaturday 09:59
Annual high temperature15.68ºC (60.22ºF)
Annual low temperature5.94ºC (42.69ºF)
Average annual precip.84.08mm (3.31in)
Warmest monthAugust (26.21ºC / 79.18ºF)
Coldest MonthFebruary (1.22ºC / 34.2ºF)
Wettest MonthNovember (123.52mm / 4.86in)
Driest MonthJuly (20.68mm / 0.81in)
Number of days with rainfall (≥ 1.0 mm)151.46 days (41.5%)
Days with no rain213.54 days (58.5%)
Humidity78.42%

Climate Sammamish: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)16.0(60.8)17.0(62.6)26.0(78.8)29.0(84.2)30.0(86.0)35.0(95.0)36.0(96.8)37.0(98.6)36.0(96.8)30.0(86.0)20.0(68.0)15.0(59.0)37.0(98.6)
Average high °C (°F)7.66(45.79)8.16(46.69)10.96(51.73)13.84(56.91)19.0(66.2)21.36(70.45)25.76(78.37)26.21(79.18)22.39(72.3)16.04(60.87)10.01(50.02)6.82(44.28)15.68(60.22)
Daily mean °C (°F)4.94(40.89)5.36(41.65)7.74(45.93)10.55(50.99)15.69(60.24)18.19(64.74)21.94(71.49)21.79(71.22)17.95(64.31)12.44(54.39)7.18(44.92)4.23(39.61)12.33(54.19)
Average low °C (°F)1.71(35.08)1.22(34.2)2.6(36.68)4.22(39.6)6.71(44.08)8.45(47.21)11.19(52.14)12.24(54.03)10.62(51.12)7.21(44.98)3.7(38.66)1.38(34.48)5.94(42.69)
Record low °C (°F)-13.0(8.6)-12.0(10.4)-5.0(23.0)-4.0(24.8)-2.0(28.4)0.0(0)3.0(37.4)3.0(37.4)3.0(37.4)-1.0(30.2)-12.0(10.4)-9.0(15.8)-13.0(8.6)
Average precipitation mm (inches)119.8(4.72)99.92(3.93)115.73(4.56)92.86(3.66)55.42(2.18)51.01(2.01)20.68(0.81)27.06(1.07)66.15(2.6)115.07(4.53)123.52(4.86)121.74(4.79)84.08(3.31)
Average precipitation days (≥ 1.0 mm)17.3614.8217.1815.010.8210.824.824.739.7314.016.7315.4512.62
Average relative humidity (%)84.2384.6182.3979.975.2174.3269.7470.5274.2378.5582.8584.5378.42
Mean monthly sunshine hours6.166.319.1911.8713.0213.2313.7413.4411.337.246.316.09.82

Climate Graph

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

Sammamish

Sammamish Temperature by Month

July
21.94°C | 71.49°F
August
21.79°C | 71.22°F
June
18.19°C | 64.74°F
September
17.95°C | 64.31°F
May
15.69°C | 60.24°F
October
12.44°C | 54.39°F
April
10.55°C | 50.99°F
March
7.74°C | 45.93°F
November
7.18°C | 44.92°F
February
5.36°C | 41.65°F
January
4.94°C | 40.89°F
December
4.23°C | 39.61°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 Temperature36.0°C (96.8°F)28.81°C (83.86°F)20.0°C (68.0°F)
Avg Temperature30.0°C (86.0°F)24.58°C (76.24°F)17.0°C (62.6°F)
Min Temperature20.0°C (68.0°F)14.35°C (57.83°F)8.0°C (46.4°F)
Dew PointMaxAverageMin
Dew Point17.0°C (62.6°F)13.16°C (55.69°F)9.0°C (48.2°F)
PrecipitationMaxAverageMinSum
Precipitation5.0mm | 0.2in0.44mm | 0.02in0.0mm | 0in13.5mm | 0.53in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind6.0kmh | 3.73mph5.03kmh | 3.13mph4.0kmh | 2.49mph
Gust Wind10.0kmh | 6.21mph6.9kmh | 4.29mph5.0kmh | 3.11mph
Sea Level PressureMaxAverageMin
Sea Level Pressure5.0mb0.44mb0.0mb
Sammamish

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
July° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-07-0117 | 62.612 | 53.6795 | 3.1130.15 | 10211.3 | 0.05
2018-07-0217 | 62.610 | 50.0754 | 2.4930.18 | 10225.0 | 0.2
2018-07-0321 | 69.89 | 48.2655 | 3.1130.09 | 10190.0 | 0.0
2018-07-0424 | 75.211 | 51.8566 | 3.7330.0 | 10160.0 | 0.0
2018-07-0526 | 78.814 | 57.2625 | 3.1130.06 | 10180.0 | 0.0
2018-07-0621 | 69.814 | 57.2766 | 3.7330.12 | 10204.1 | 0.16
2018-07-0721 | 69.812 | 53.6725 | 3.1130.15 | 10210.7 | 0.03
2018-07-0823 | 73.413 | 55.4666 | 3.7330.06 | 10180.0 | 0.0
2018-07-0920 | 68.013 | 55.4775 | 3.1130.09 | 10190.5 | 0.02
2018-07-1020 | 68.012 | 53.6745 | 3.1130.21 | 10230.5 | 0.02
2018-07-1123 | 73.414 | 57.2726 | 3.7330.15 | 10210.0 | 0.0
2018-07-1227 | 80.615 | 59.0626 | 3.7330.06 | 10180.0 | 0.0
2018-07-1326 | 78.813 | 55.4565 | 3.1130.03 | 10170.0 | 0.0
2018-07-1426 | 78.813 | 55.4585 | 3.1130.09 | 10190.0 | 0.0
2018-07-1529 | 84.215 | 59.0555 | 3.1130.0 | 10160.0 | 0.0
2018-07-1629 | 84.213 | 55.4515 | 3.1130.0 | 10160.0 | 0.0
2018-07-1727 | 80.613 | 55.4545 | 3.1130.0 | 10160.0 | 0.0
2018-07-1824 | 75.213 | 55.4705 | 3.1130.09 | 10190.0 | 0.0
2018-07-1920 | 68.011 | 51.8705 | 3.1130.12 | 10200.0 | 0.0
2018-07-2021 | 69.811 | 51.8674 | 2.4930.12 | 10201.0 | 0.04
2018-07-2122 | 71.610 | 50.0605 | 3.1130.12 | 10200.0 | 0.0
2018-07-2226 | 78.813 | 55.4616 | 3.7330.18 | 10220.0 | 0.0
2018-07-2328 | 82.415 | 59.0565 | 3.1130.09 | 10190.0 | 0.0
2018-07-2428 | 82.413 | 55.4525 | 3.1130.09 | 10190.0 | 0.0
2018-07-2529 | 84.214 | 57.2505 | 3.1130.12 | 10200.0 | 0.0
2018-07-2629 | 84.214 | 57.2514 | 2.4930.09 | 10190.0 | 0.0
2018-07-2727 | 80.614 | 57.2584 | 2.4930.0 | 10160.0 | 0.0
2018-07-2826 | 78.815 | 59.0655 | 3.1130.03 | 10170.4 | 0.02
2018-07-2929 | 84.216 | 60.8585 | 3.1130.03 | 10170.0 | 0.0
2018-07-3030 | 86.017 | 62.6564 | 2.4930.0 | 10160.0 | 0.0
2018-07-3126 | 78.816 | 60.8675 | 3.1130.0 | 10160.0 | 0.0

Comments (0)

  • Latest first
  • Highest rated
Be the first to comment on this page