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Copperopolis CDP, California

Official LSAD Designation: Copperopolis CDP • Census GEOID: 0616210 • Calaveras County

Climate Normals & Weather Observations

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

Reference Weather Station: NEW MELONES DAM HQ, CA US (ID: USC00046174) • Located 8.8 miles from community center • Elevation: 292.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 57.3° 38.2° 47.8° 5.85"
February 60.6° 39.7° 50.1° 4.85"
March 64.8° 43.5° 54.2° 4.77"
April 70.0° 45.9° 57.9° 2.58"
May 79.4° 52.4° 65.9° 1.48"
June 89.3° 59.2° 74.2° 0.36"
July 97.1° 65.4° 81.3° 0.03"
August 96.2° 64.5° 80.3° 0.04"
September 90.7° 60.2° 75.5° 0.21"
October 79.7° 52.4° 66.0° 1.51"
November 66.0° 44.1° 55.0° 2.91"
December 57.4° 37.8° 47.6° 5.16"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station NEW MELONES DAM HQ, CA US (ID: USC00046174) • 8.8 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 NEW MELONES DAM HQ, CA 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. 46.0 54.8 63.5 72.3 81.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 61.6°F 2011: Annual mean 61.7°F 2012: Annual mean 63.6°F 2013: Annual mean 64.1°F 2016: Annual mean 63.7°F 2017: Annual mean 64.2°F 2018: Annual mean 64.1°F 2019: Annual mean 63.1°F 2020: Annual mean 64.9°F 2021: Annual mean 64.1°F 2022: Annual mean 63.9°F 2023: Annual mean 62.3°F 2024: Annual mean 65.0°F 2025: Annual mean 63.5°F 2010: Annual mean of daily highs 73.7°F 2011: Annual mean of daily highs 74.1°F 2012: Annual mean of daily highs 76.5°F 2013: Annual mean of daily highs 77.6°F 2016: Annual mean of daily highs 77.1°F 2017: Annual mean of daily highs 76.5°F 2018: Annual mean of daily highs 76.9°F 2019: Annual mean of daily highs 75.2°F 2020: Annual mean of daily highs 77.8°F 2021: Annual mean of daily highs 77.1°F 2022: Annual mean of daily highs 77.9°F 2023: Annual mean of daily highs 74.6°F 2024: Annual mean of daily highs 77.3°F 2025: Annual mean of daily highs 76.2°F 2010: Annual mean of daily lows 49.6°F 2011: Annual mean of daily lows 49.4°F 2012: Annual mean of daily lows 50.6°F 2013: Annual mean of daily lows 50.5°F 2016: Annual mean of daily lows 50.3°F 2017: Annual mean of daily lows 51.8°F 2018: Annual mean of daily lows 51.4°F 2019: Annual mean of daily lows 51.0°F 2020: Annual mean of daily lows 52.0°F 2021: Annual mean of daily lows 51.2°F 2022: Annual mean of daily lows 49.9°F 2023: Annual mean of daily lows 50.0°F 2024: Annual mean of daily lows 52.7°F 2025: Annual mean of daily lows 50.8°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 61.6 73.7 49.6
2011 61.7 74.1 49.4
2012 63.6 76.5 50.6
2013 64.1 77.6 50.5
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 63.7 77.1 50.3
2017 64.2 76.5 51.8
2018 64.1 76.9 51.4
2019 63.1 75.2 51.0
2020 64.9 77.8 52.0
2021 64.1 77.1 51.2
2022 63.9 77.9 49.9
2023 62.3 74.6 50.0
2024 65.0 77.3 52.7
2025 63.5 76.2 50.8
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.