Editing Sammamish, Washington (section)

===Climate===
The city has a [[warm-summer Mediterranean climate]] ([[Köppen climate classification|Köppen]]: ''Csb''), or [[Oceanic climate|oceanic]] ([[Köppen climate classification|Köppen]]: ''Cfb'') if the {{Convert|30|mm|in}} [[isohyet]] is used. Due to the [[Rain shadow|rain shadow effect]] of the [[Olympic Mountains]] to the west, summers are much drier here than on the immediate west coast of Washington.<ref>{{Cite web |title=Aberdeen climate: Average Temperature by month, Aberdeen water temperature |url=https://en.climate-data.org/north-america/united-states-of-america/washington/aberdeen-16187/ |access-date=May 10, 2024 |website=en.climate-data.org}}</ref>

Winters are cool and wet; the wettest months are November, December, and January, when the area is directly affected by the [[Aleutian Low]], and summers are warm and dry; the driest months are July and August. Snowfall is rare; subfreezing temperatures usually occur with a [[High-pressure area|high-pressure system]], which brings clear skies. Extremes range from {{convert|-8|F}} in February 1950, to {{convert|113|F}} in [[2021 Western North America heat wave|June 2021]].

Sammamish is in [[hardiness zone]] 8b, with small southwestern pockets as well as the immediate Lake Sammamish coast falling into type 9a.<ref>{{Cite web |title=2023 USDA Plant Hardiness Zone Map {{!}} USDA Plant Hardiness Zone Map |url=https://planthardiness.ars.usda.gov/ |access-date=January 22, 2024 |website=planthardiness.ars.usda.gov}}</ref>

{{Weather box
| location = Sammamish, Washington (1993–2023)
| single line = Y
| collapsed = Y
| Jan record high F = 67
| Feb record high F = 75
| Mar record high F = 79
| Apr record high F = 90
| May record high F = 97
| Jun record high F = 113
| Jul record high F = 104
| Aug record high F = 102
| Sep record high F = 98
| Oct record high F = 95
| Nov record high F = 75
| Dec record high F = 67
| year record high F = 113
| Jan high F = 42
| Feb high F = 45
| Mar high F = 54
| Apr high F = 58
| May high F = 65
| Jun high F = 70
| Jul high F = 77
| Aug high F = 78
| Sep high F = 71
| Oct high F = 60
| Nov high F = 51
| Dec high F = 42
| Jan low F = 29
| Feb low F = 32
| Mar low F = 37
| Apr low F = 40
| May low F = 46
| Jun low F = 51
| Jul low F = 54
| Aug low F = 53
| Sep low F = 48
| Oct low F = 43
| Nov low F = 38
| Dec low F = 30
| Jan record low F = −6
| Feb record low F = −8
| Mar record low F = 8
| Apr record low F = 24
| May record low F = 26
| Jun record low F = 31
| Jul record low F = 36
| Aug record low F = 35
| Sep record low F = 30
| Oct record low F = 23
| Nov record low F = 2
| Dec record low F = -4
| year record low F = −8
| Jan precipitation inch = 8.85
| Feb precipitation inch = 5.61
| Mar precipitation inch = 6.26
| Apr precipitation inch = 4.81
| May precipitation inch = 4.01
| Jun precipitation inch = 2.94
| Jul precipitation inch = 1.37
| Aug precipitation inch = 1.29
| Sep precipitation inch = 2.85
| Oct precipitation inch = 5.69
| Nov precipitation inch = 10.12
| Dec precipitation inch = 8.45
| precipitation colour = green
| Jan snow inch = 3.3
| Feb snow inch = 3.7
| Mar snow inch = 1.2
| Apr snow inch = 0
| May snow inch = 0
| Jun snow inch = 0
| Jul snow inch = 0
| Aug snow inch = 0
| Sep snow inch = 0
| Oct snow inch = 0
| Nov snow inch = 1.6
| Dec snow inch = 3.3
| year snow inch = 13.1
| source 1 = <ref name="weather">{{cite web|url=http://www.weather.com/weather/wxclimatology/monthly/98075|title=Monthly Averages for Sammamish, WA (98075)|publisher=Weather.com|access-date=November 16, 2011}}</ref>
| date = November 2011
| source = 
| source 2 = 
| Apr snow days = 1
| Mar snow days = 2
| Feb snow days = 4
| Dec snow days = 6
| Jan snow days = 6
| Nov snow days = 2
| year snow days = 21
| May snow days = 0
| Jun snow days = 0
| Jul snow days = 0
| Aug snow days = 0
| Sep snow days = 0
| Oct snow days = 0
| Jan light = 8.9
| Feb light = 10.3
| Dec light = 8.5
| Nov light = 9.3
| Jun light = 16.0
| Jul light = 15.6
| Aug light = 14.3
| Sep light = 12.6
| Oct light = 10.9
| Apr light = 13.6
| Mar light = 11.9
| May light = 15.1
| Jan mean F = 35
| Feb mean F = 38
| Dec mean F = 36
| Mar mean F = 45
| Apr mean F = 49
| May mean F = 56
| Jun mean F = 61
| Jul mean F = 66
| Aug mean F = 66
| Sep mean F = 60
| Oct mean F = 51
| Nov mean F = 44
| Jan avg record high F = 56
| Feb avg record high F = 60
| Mar avg record high F = 68
| Apr avg record high F = 78
| May avg record high F = 85
| Jun avg record high F = 88
| Jul avg record high F = 91
| Aug avg record high F = 90
| Sep avg record high F = 88
| Oct avg record high F = 79
| Nov avg record high F = 65
| Dec avg record high = 
| Dec avg record high F = 54
| year avg record high F = 91
| Jan avg record low F = 20
| Dec avg record low F = 20
| year avg record low F = 20
| Feb avg record low F = 23
| Mar avg record low F = 30
| Apr avg record low F = 35
| May avg record low F = 40
| Jun avg record low = 
| Jun avg record low F = 45
| Jul avg record low F = 50
| Aug avg record low F = 50
| Oct avg record low F = 36
| Sep avg record low F = 42
| Nov avg record low F = 29
| Jan sun = 79
| Dec sun = 88
| Feb sun = 111
| Mar sun = 192
| Apr sun = 230
| Aprd sun = 7.9
| Mayd sun = 9
| Jand sun = 4.2
| Decd sun = 4.2
| Febd sun = 4.4
| Mard sun = 6.1
| Jund sun = 9.3
| Juld sun = 10.5
| Augd sun = 10.7
| Sepd sun = 9.2
| Octd sun = 5.5
| Novd sun = 4.5
| Jan rain days = 19.7
| Feb rain days = 15.7
| Mar rain days = 19.1
| Apr rain days = 16.8
| May rain days = 14.6
| Jun rain days = 11.4
| Jul rain days = 6.7
| Aug rain days = 5.7
| Sep rain days = 9.3
| Oct rain days = 15.1
| Nov rain days = 20.4
| Dec rain days = 19.1
| May sun = 296
| Jun sun = 303
| Nov sun = 110
| Oct sun = 182
| Jul sun = 357
| Aug sun = 329
| Sep sun = 251
| Jan percentsun = 28.7
| Feb percentsun = 38.5
| Mar percentsun = 52.0
| Jul percentsun = 73.8
| Aug percentsun = 74.2
| Jun percentsun = 63.1
| May percentsun = 63.2
| Apr percentsun = 56.4
| Dec percentsun = 33.4
| Sep percentsun = 66.4
| Nov percentsun = 39.4
| Oct percentsun = 53.9
| Jan humidity = 85
| Feb humidity = 85
| Mar humidity = 83
| Apr humidity = 80
| May humidity = 75
| Jun humidity = 74
| Jul humidity = 70
| Aug humidity = 71
| Sep humidity = 75
| Oct humidity = 79
| Nov humidity = 84
| Dec humidity = 85
| Jan uv = 0
| Dec uv = 0
| Nov uv = 0
| Oct uv = 2
| Feb uv = 1
| Mar uv = 2
| Apr uv = 4
| May uv = 5
| Jun uv = 6
| Jul uv = 7
| Aug uv = 6
| Sep uv = 5
| Nov dew point F = 45.9
| Oct dew point F = 46.1
| Dec dew point F = 33.8
| Jan dew point F = 35.3
| Feb dew point F = 31.7
| Jul dew point F = 50.6
| Aug dew point F = 53.5
| Sep dew point F = 49.8
| Mar dew point F = 32.8
| Apr dew point F = 38.7
| May dew point F = 46.5
| Jun dew point F = 47.7
}}