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Marysville CDP, Montana

Official LSAD Designation: Marysville CDP • Census GEOID: 3048250 • Lewis and Clark County

Climate Normals & Weather Observations

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

Reference Weather Station: AUSTIN 1 W, MT US (ID: USC00240375) • Located 7.4 miles from community center • Elevation: 1,478.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 29.6° 12.5° 21.0° 0.84"
February 32.3° 12.6° 22.5° 0.99"
March 41.5° 19.3° 30.4° 0.84"
April 49.8° 26.3° 38.0° 1.66"
May 60.1° 35.4° 47.7° 2.34"
June 67.9° 42.1° 55.0° 2.74"
July 78.4° 48.7° 63.6° 1.22"
August 78.3° 47.3° 62.8° 1.09"
September 67.2° 39.1° 53.1° 1.28"
October 51.1° 29.8° 40.4° 1.25"
November 36.8° 19.5° 28.1° 1.27"
December 29.4° 12.7° 21.0° 0.93"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station Nevada Ridge, MT US (ID: USS0012C22S) • 11.6 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00240375), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at Nevada Ridge, 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 30.8 37.5 44.3 51.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 36.7°F 2011: Annual mean 35.6°F 2012: Annual mean 38.3°F 2013: Annual mean 37.3°F 2014: Annual mean 36.5°F 2015: Annual mean 39.5°F 2016: Annual mean 38.4°F 2017: Annual mean 37.8°F 2018: Annual mean 36.6°F 2020: Annual mean 36.9°F 2021: Annual mean 37.4°F 2022: Annual mean 36.3°F 2023: Annual mean 37.8°F 2024: Annual mean 38.8°F 2025: Annual mean 38.4°F 2010: Annual mean of daily highs 45.0°F 2011: Annual mean of daily highs 44.1°F 2012: Annual mean of daily highs 47.2°F 2013: Annual mean of daily highs 45.8°F 2014: Annual mean of daily highs 45.2°F 2015: Annual mean of daily highs 48.3°F 2016: Annual mean of daily highs 47.0°F 2017: Annual mean of daily highs 46.7°F 2018: Annual mean of daily highs 45.2°F 2020: Annual mean of daily highs 45.6°F 2021: Annual mean of daily highs 46.3°F 2022: Annual mean of daily highs 45.1°F 2023: Annual mean of daily highs 46.1°F 2024: Annual mean of daily highs 47.5°F 2025: Annual mean of daily highs 46.4°F 2010: Annual mean of daily lows 28.3°F 2011: Annual mean of daily lows 27.1°F 2012: Annual mean of daily lows 29.4°F 2013: Annual mean of daily lows 28.7°F 2014: Annual mean of daily lows 27.7°F 2015: Annual mean of daily lows 30.8°F 2016: Annual mean of daily lows 29.8°F 2017: Annual mean of daily lows 28.8°F 2018: Annual mean of daily lows 27.9°F 2019: Annual mean of daily lows 26.2°F 2020: Annual mean of daily lows 28.2°F 2021: Annual mean of daily lows 28.5°F 2022: Annual mean of daily lows 27.5°F 2023: Annual mean of daily lows 29.6°F 2024: Annual mean of daily lows 30.1°F 2025: Annual mean of daily lows 30.5°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 36.7 45.0 28.3
2011 35.6 44.1 27.1
2012 38.3 47.2 29.4
2013 37.3 45.8 28.7
2014 36.5 45.2 27.7
2015 39.5 48.3 30.8
2016 38.4 47.0 29.8
2017 37.8 46.7 28.8
2018 36.6 45.2 27.9
2019 Unavailable Unavailable 26.2
2020 36.9 45.6 28.2
2021 37.4 46.3 28.5
2022 36.3 45.1 27.5
2023 37.8 46.1 29.6
2024 38.8 47.5 30.1
2025 38.4 46.4 30.5
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.