Marblemount CDP, Washington

Official LSAD Designation: Marblemount CDP • Census GEOID: 5343325 • Skagit County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Marblemount CDP.

Reference Weather Station: DARRINGTON 21 NNE, WA US (ID: USW00004223) • Located 0.3 miles from community center • Elevation: 124.1 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	42.1°	32.3°	37.2°	12.84"
February	46.3°	32.1°	39.2°	8.06"
March	51.2°	34.1°	42.7°	8.74"
April	58.3°	38.5°	48.4°	5.45"
May	66.2°	43.9°	55.0°	3.53"
June	69.9°	48.5°	59.2°	2.87"
July	77.1°	51.7°	64.4°	1.58"
August	77.8°	51.8°	64.8°	1.74"
September	70.9°	47.4°	59.1°	3.99"
October	57.7°	41.0°	49.4°	9.20"
November	46.8°	35.8°	41.3°	13.72"
December	40.8°	32.2°	36.5°	11.28"

2010–2025, completed calendar years only.

NOAA station DARRINGTON 21 NNE, WA US (ID: USW00004223) • 0.3 miles from community center .

This is the same reference station used for monthly normals.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

Annual temperature data table (°F)

Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year	Annual mean (°F)	Annual mean of daily highs (°F)	Annual mean of daily lows (°F)
2010	50.1	58.9	41.3
2011	47.6	55.6	39.5
2012	49.0	57.7	40.4
2013	49.6	58.6	40.5
2014	51.0	59.7	42.2
2015	52.4	62.5	42.3
2016	51.0	59.7	42.3
2017	49.4	58.9	39.8
2018	50.3	59.6	41.1
2019	49.9	59.2	40.7
2020	49.6	58.3	40.9
2021	Unavailable	Unavailable	Unavailable
2022	49.4	58.6	40.1
2023	50.9	60.6	41.2
2024	50.5	59.2	41.7
2025	51.2	60.6	41.8

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.