East Cathlamet CDP, Washington

Official LSAD Designation: East Cathlamet CDP • Census GEOID: 5319290 • Wahkiakum County

Climate Normals & Weather Observations

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

Reference Weather Station: CLATSKANIE, OR US (ID: USC00351643) • Located 9.7 miles from community center • Elevation: 6.7 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	46.6°	33.0°	39.8°	8.31"
February	50.3°	32.8°	41.5°	5.72"
March	54.5°	35.3°	44.9°	6.09"
April	58.8°	38.3°	48.6°	4.28"
May	64.8°	44.0°	54.4°	2.68"
June	68.8°	48.5°	58.6°	1.73"
July	74.7°	52.2°	63.5°	0.59"
August	75.8°	52.2°	64.0°	0.67"
September	72.0°	47.6°	59.8°	2.06"
October	61.6°	41.1°	51.3°	4.54"
November	51.7°	36.1°	43.9°	8.61"
December	45.7°	32.8°	39.3°	9.38"

2010–2025, completed calendar years only.

NOAA station CLATSKANIE, OR US (ID: USC00351643) • 9.7 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	50.8	59.4	42.2
2011	49.2	57.9	40.4
2012	50.3	59.1	41.6
2013	50.4	59.0	41.7
2014	52.0	62.1	41.9
2015	52.3	63.1	41.5
2016	52.4	61.7	43.2
2017	50.4	60.0	40.7
2018	51.7	61.2	42.2
2019	50.6	60.2	41.1
2020	51.8	61.4	42.1
2021	51.3	60.5	42.1
2022	51.3	60.7	41.9
2023	51.7	61.2	42.1
2024	51.8	61.0	42.6
2025	Unavailable	Unavailable	Unavailable

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