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Newcastle CDP, California

Official LSAD Designation: Newcastle CDP • Census GEOID: 0651000 • Placer County

Climate Normals & Weather Observations

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

Reference Weather Station: AUBURN, CA US (ID: USC00040383) • Located 3.8 miles from community center • Elevation: 393.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 56.3° 37.8° 47.1° 7.01"
February 59.4° 40.0° 49.7° 6.50"
March 63.1° 42.3° 52.7° 6.12"
April 68.1° 44.8° 56.4° 2.84"
May 76.9° 51.5° 64.2° 1.65"
June 85.7° 57.5° 71.6° 0.41"
July 92.7° 63.4° 78.1° 0.01"
August 92.0° 62.8° 77.4° 0.07"
September 86.8° 59.5° 73.2° 0.24"
October 76.9° 51.6° 64.3° 1.42"
November 63.8° 43.1° 53.4° 3.05"
December 55.8° 37.2° 46.5° 6.80"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station COLFAX, CA US (ID: USC00041912) • 18.4 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00040383), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at COLFAX, 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. 43.0 52.3 61.5 70.8 80.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 58.6°F 2011: Annual mean 58.3°F 2012: Annual mean 60.4°F 2014: Annual mean 62.7°F 2015: Annual mean 62.8°F 2016: Annual mean 60.5°F 2017: Annual mean 60.5°F 2018: Annual mean 61.1°F 2019: Annual mean 59.0°F 2020: Annual mean 59.7°F 2021: Annual mean 60.7°F 2022: Annual mean 60.6°F 2023: Annual mean 57.4°F 2024: Annual mean 60.4°F 2010: Annual mean of daily highs 69.2°F 2011: Annual mean of daily highs 69.4°F 2012: Annual mean of daily highs 72.8°F 2014: Annual mean of daily highs 75.4°F 2015: Annual mean of daily highs 76.3°F 2016: Annual mean of daily highs 73.1°F 2017: Annual mean of daily highs 72.4°F 2018: Annual mean of daily highs 73.9°F 2019: Annual mean of daily highs 70.5°F 2020: Annual mean of daily highs 72.0°F 2021: Annual mean of daily highs 71.9°F 2022: Annual mean of daily highs 72.1°F 2023: Annual mean of daily highs 68.2°F 2024: Annual mean of daily highs 71.3°F 2010: Annual mean of daily lows 47.9°F 2011: Annual mean of daily lows 47.2°F 2012: Annual mean of daily lows 48.0°F 2014: Annual mean of daily lows 49.9°F 2015: Annual mean of daily lows 49.4°F 2016: Annual mean of daily lows 47.8°F 2017: Annual mean of daily lows 48.5°F 2018: Annual mean of daily lows 48.3°F 2019: Annual mean of daily lows 47.4°F 2020: Annual mean of daily lows 47.5°F 2021: Annual mean of daily lows 49.6°F 2022: Annual mean of daily lows 49.1°F 2023: Annual mean of daily lows 46.6°F 2024: Annual mean of daily lows 49.5°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 58.6 69.2 47.9
2011 58.3 69.4 47.2
2012 60.4 72.8 48.0
2013 Unavailable Unavailable Unavailable
2014 62.7 75.4 49.9
2015 62.8 76.3 49.4
2016 60.5 73.1 47.8
2017 60.5 72.4 48.5
2018 61.1 73.9 48.3
2019 59.0 70.5 47.4
2020 59.7 72.0 47.5
2021 60.7 71.9 49.6
2022 60.6 72.1 49.1
2023 57.4 68.2 46.6
2024 60.4 71.3 49.5
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.