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Arlee CDP, Montana

Official LSAD Designation: Arlee CDP • Census GEOID: 3002425 • Lake County

Climate Normals & Weather Observations

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

Reference Weather Station: SAINT IGNATIUS, MT US (ID: USC00247286) • Located 10.2 miles from community center • Elevation: 888.5 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 36.8° 22.6° 29.7° 0.95"
February 39.9° 22.3° 31.1° 1.15"
March 50.6° 28.0° 39.3° 0.94"
April 59.4° 33.9° 46.7° 1.75"
May 68.6° 41.0° 54.8° 2.30"
June 75.1° 46.7° 60.9° 2.63"
July 86.0° 52.2° 69.1° 0.97"
August 85.8° 50.7° 68.3° 1.17"
September 74.8° 44.1° 59.4° 1.51"
October 59.3° 34.6° 47.0° 1.28"
November 44.8° 27.5° 36.1° 1.13"
December 36.5° 22.5° 29.5° 0.94"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station Sleeping Woman, MT US (ID: USS0014B05S) • 11.6 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00247286), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at Sleeping Woman, MT US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 27.0 33.5 40.0 46.5 53.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 38.5°F 2011: Annual mean 37.6°F 2012: Annual mean 39.8°F 2013: Annual mean 39.6°F 2014: Annual mean 39.4°F 2015: Annual mean 42.2°F 2016: Annual mean 40.6°F 2017: Annual mean 40.1°F 2018: Annual mean 39.4°F 2019: Annual mean 37.8°F 2020: Annual mean 39.6°F 2021: Annual mean 40.0°F 2022: Annual mean 39.3°F 2023: Annual mean 40.7°F 2024: Annual mean 40.6°F 2025: Annual mean 40.7°F 2010: Annual mean of daily highs 46.7°F 2011: Annual mean of daily highs 45.7°F 2012: Annual mean of daily highs 48.2°F 2013: Annual mean of daily highs 47.7°F 2014: Annual mean of daily highs 47.7°F 2015: Annual mean of daily highs 50.6°F 2016: Annual mean of daily highs 48.7°F 2017: Annual mean of daily highs 48.6°F 2018: Annual mean of daily highs 47.5°F 2019: Annual mean of daily highs 45.9°F 2020: Annual mean of daily highs 48.1°F 2021: Annual mean of daily highs 48.3°F 2022: Annual mean of daily highs 47.9°F 2023: Annual mean of daily highs 49.1°F 2024: Annual mean of daily highs 48.6°F 2025: Annual mean of daily highs 48.1°F 2010: Annual mean of daily lows 30.3°F 2011: Annual mean of daily lows 29.4°F 2012: Annual mean of daily lows 31.5°F 2013: Annual mean of daily lows 31.5°F 2014: Annual mean of daily lows 31.2°F 2015: Annual mean of daily lows 33.9°F 2016: Annual mean of daily lows 32.4°F 2017: Annual mean of daily lows 31.7°F 2018: Annual mean of daily lows 31.3°F 2019: Annual mean of daily lows 29.8°F 2020: Annual mean of daily lows 31.1°F 2021: Annual mean of daily lows 31.6°F 2022: Annual mean of daily lows 30.6°F 2023: Annual mean of daily lows 32.2°F 2024: Annual mean of daily lows 32.6°F 2025: Annual mean of daily lows 33.3°F

Source: NOAA NCEI Global Summary of the Year.

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 38.5 46.7 30.3
2011 37.6 45.7 29.4
2012 39.8 48.2 31.5
2013 39.6 47.7 31.5
2014 39.4 47.7 31.2
2015 42.2 50.6 33.9
2016 40.6 48.7 32.4
2017 40.1 48.6 31.7
2018 39.4 47.5 31.3
2019 37.8 45.9 29.8
2020 39.6 48.1 31.1
2021 40.0 48.3 31.6
2022 39.3 47.9 30.6
2023 40.7 49.1 32.2
2024 40.6 48.6 32.6
2025 40.7 48.1 33.3
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.