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Silesia CDP, Montana

Official LSAD Designation: Silesia CDP • Census GEOID: 3068050 • Carbon County

Climate Normals & Weather Observations

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

Reference Weather Station: JOLIET, MT US (ID: USC00244506) • Located 9.9 miles from community center • Elevation: 1,169.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 35.9° 9.8° 22.9° 0.53"
February 38.6° 12.0° 25.3° 0.57"
March 49.0° 19.1° 34.1° 0.84"
April 56.5° 26.6° 41.5° 1.89"
May 65.7° 36.3° 51.0° 2.67"
June 75.8° 44.3° 60.1° 2.11"
July 85.7° 49.9° 67.8° 0.94"
August 84.3° 47.9° 66.1° 0.88"
September 73.7° 39.3° 56.5° 1.26"
October 58.8° 28.6° 43.7° 1.57"
November 45.3° 18.9° 32.1° 0.70"
December 35.8° 11.1° 23.4° 0.58"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station JOLIET, MT US (ID: USC00244506) • 9.9 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at JOLIET, 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. 24.0 34.8 45.5 56.3 67.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 43.1°F 2012: Annual mean 46.6°F 2013: Annual mean 43.9°F 2014: Annual mean 43.2°F 2015: Annual mean 45.8°F 2016: Annual mean 46.1°F 2017: Annual mean 44.1°F 2018: Annual mean 42.5°F 2019: Annual mean 41.0°F 2020: Annual mean 45.0°F 2011: Annual mean of daily highs 57.5°F 2012: Annual mean of daily highs 62.9°F 2013: Annual mean of daily highs 58.4°F 2014: Annual mean of daily highs 57.3°F 2015: Annual mean of daily highs 61.2°F 2016: Annual mean of daily highs 61.2°F 2017: Annual mean of daily highs 59.1°F 2018: Annual mean of daily highs 56.7°F 2019: Annual mean of daily highs 54.3°F 2020: Annual mean of daily highs 59.8°F 2011: Annual mean of daily lows 28.8°F 2012: Annual mean of daily lows 30.2°F 2013: Annual mean of daily lows 29.4°F 2014: Annual mean of daily lows 29.0°F 2015: Annual mean of daily lows 30.4°F 2016: Annual mean of daily lows 30.9°F 2017: Annual mean of daily lows 29.1°F 2018: Annual mean of daily lows 28.2°F 2019: Annual mean of daily lows 27.7°F 2020: Annual mean of daily lows 30.2°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 Unavailable Unavailable Unavailable
2011 43.1 57.5 28.8
2012 46.6 62.9 30.2
2013 43.9 58.4 29.4
2014 43.2 57.3 29.0
2015 45.8 61.2 30.4
2016 46.1 61.2 30.9
2017 44.1 59.1 29.1
2018 42.5 56.7 28.2
2019 41.0 54.3 27.7
2020 45.0 59.8 30.2
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.