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California Polytechnic State University CDP, California

Official LSAD Designation: California Polytechnic State University CDP • Census GEOID: 0609835 • San Luis Obispo County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for California Polytechnic State University CDP.

Reference Weather Station: SAN LUIS OBISPO POLY, CA US (ID: USC00047851) • Located 0.3 miles from community center • Elevation: 93.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 64.9° 44.0° 54.4° 5.07"
February 65.2° 44.4° 54.8° 4.92"
March 67.3° 46.1° 56.7° 3.89"
April 69.3° 46.8° 58.0° 1.38"
May 71.9° 49.3° 60.6° 0.51"
June 75.7° 51.8° 63.8° 0.13"
July 78.3° 54.2° 66.3° 0.07"
August 79.7° 54.8° 67.3° 0.01"
September 80.1° 53.8° 67.0° 0.11"
October 77.8° 51.5° 64.7° 0.76"
November 70.8° 47.4° 59.1° 1.98"
December 64.4° 43.7° 54.0° 3.59"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station SAN LUIS OBISPO POLY, CA US (ID: USC00047851) • 0.3 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 SAN LUIS OBISPO POLY, 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. 45.0 53.5 62.0 70.5 79.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 58.4°F 2012: Annual mean 60.7°F 2013: Annual mean 61.4°F 2014: Annual mean 63.2°F 2015: Annual mean 62.8°F 2016: Annual mean 61.5°F 2017: Annual mean 63.5°F 2018: Annual mean 62.4°F 2019: Annual mean 60.9°F 2020: Annual mean 62.5°F 2021: Annual mean 60.9°F 2022: Annual mean 61.5°F 2023: Annual mean 60.3°F 2024: Annual mean 61.1°F 2025: Annual mean 61.4°F 2010: Annual mean of daily highs 68.2°F 2012: Annual mean of daily highs 73.0°F 2013: Annual mean of daily highs 74.2°F 2014: Annual mean of daily highs 75.5°F 2015: Annual mean of daily highs 74.9°F 2016: Annual mean of daily highs 73.1°F 2017: Annual mean of daily highs 75.1°F 2018: Annual mean of daily highs 74.0°F 2019: Annual mean of daily highs 71.9°F 2020: Annual mean of daily highs 74.2°F 2021: Annual mean of daily highs 72.1°F 2022: Annual mean of daily highs 73.7°F 2023: Annual mean of daily highs 70.7°F 2024: Annual mean of daily highs 72.3°F 2025: Annual mean of daily highs 72.2°F 2010: Annual mean of daily lows 48.7°F 2012: Annual mean of daily lows 48.5°F 2013: Annual mean of daily lows 48.6°F 2014: Annual mean of daily lows 51.0°F 2015: Annual mean of daily lows 50.7°F 2016: Annual mean of daily lows 49.9°F 2017: Annual mean of daily lows 51.9°F 2018: Annual mean of daily lows 50.8°F 2019: Annual mean of daily lows 49.9°F 2020: Annual mean of daily lows 50.7°F 2021: Annual mean of daily lows 49.6°F 2022: Annual mean of daily lows 49.4°F 2023: Annual mean of daily lows 50.0°F 2024: Annual mean of daily lows 49.8°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 58.4 68.2 48.7
2011 Unavailable Unavailable Unavailable
2012 60.7 73.0 48.5
2013 61.4 74.2 48.6
2014 63.2 75.5 51.0
2015 62.8 74.9 50.7
2016 61.5 73.1 49.9
2017 63.5 75.1 51.9
2018 62.4 74.0 50.8
2019 60.9 71.9 49.9
2020 62.5 74.2 50.7
2021 60.9 72.1 49.6
2022 61.5 73.7 49.4
2023 60.3 70.7 50.0
2024 61.1 72.3 49.8
2025 61.4 72.2 50.8
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.