Alpine Northwest CDP, Wyoming

Official LSAD Designation: Alpine Northwest CDP • Census GEOID: 5601936 • Lincoln County

Climate Normals & Weather Observations

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

Reference Weather Station: SWAN VALLEY, ID US (ID: USC00108937) • Located 21.4 miles from community center • Elevation: 1,645.0 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	30.4°	11.0°	20.7°	1.85"
February	34.7°	13.8°	24.2°	1.32"
March	45.0°	21.5°	33.3°	1.54"
April	56.1°	27.2°	41.6°	1.88"
May	65.9°	34.6°	50.3°	2.53"
June	74.9°	40.7°	57.8°	2.07"
July	84.9°	45.8°	65.3°	1.25"
August	84.2°	44.2°	64.2°	1.25"
September	74.5°	37.4°	55.9°	1.55"
October	59.3°	28.5°	43.9°	1.81"
November	43.0°	20.3°	31.6°	1.59"
December	31.6°	12.4°	22.0°	1.44"

2010–2025, completed calendar years only.

NOAA station SWAN VALLEY, ID US (ID: USC00108937) • 21.4 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	43.4	55.1	31.6
2011	42.4	54.0	30.7
2012	Unavailable	Unavailable	Unavailable
2013	Unavailable	Unavailable	Unavailable
2014	42.9	56.2	29.5
2015	43.8	57.7	29.9
2016	43.1	56.6	29.5
2017	44.3	56.4	32.3
2018	43.0	56.4	29.5
2019	42.0	55.9	28.1
2020	42.7	57.4	28.0
2021	Unavailable	Unavailable	29.0
2022	41.6	55.9	27.4
2023	44.7	58.3	31.0
2024	46.6	61.0	32.1
2025	46.8	61.6	31.9

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