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Charlo CDP, Montana

Official LSAD Designation: Charlo CDP • Census GEOID: 3013900 • Lake County

Climate Normals & Weather Observations

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

Reference Weather Station: SAINT IGNATIUS, MT US (ID: USC00247286) • Located 9.5 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 POLSON, MT US (ID: USC00246635) • 16.1 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 POLSON, 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. 32.0 39.0 46.0 53.0 60.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 45.2°F 2011: Annual mean 44.8°F 2012: Annual mean 46.0°F 2014: Annual mean 45.6°F 2010: Annual mean of daily highs 54.7°F 2011: Annual mean of daily highs 55.2°F 2012: Annual mean of daily highs 57.3°F 2013: Annual mean of daily highs 56.4°F 2014: Annual mean of daily highs 56.0°F 2010: Annual mean of daily lows 35.6°F 2011: Annual mean of daily lows 34.3°F 2012: Annual mean of daily lows 34.7°F 2014: Annual mean of daily lows 35.2°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 45.2 54.7 35.6
2011 44.8 55.2 34.3
2012 46.0 57.3 34.7
2013 Unavailable 56.4 Unavailable
2014 45.6 56.0 35.2
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.