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Oak Glen CDP, California

Official LSAD Designation: Oak Glen CDP • Census GEOID: 0652715 • San Bernardino County

Climate Normals & Weather Observations

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

Reference Weather Station: REDLANDS, CA US (ID: USC00047306) • Located 13.0 miles from community center • Elevation: 429.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 66.6° 41.1° 53.8° 2.76"
February 67.4° 42.3° 54.8° 2.99"
March 70.9° 44.6° 57.7° 2.01"
April 75.6° 47.7° 61.7° 0.91"
May 80.3° 52.4° 66.4° 0.35"
June 88.5° 56.4° 72.4° 0.10"
July 95.4° 62.5° 78.9° 0.10"
August 96.2° 62.9° 79.6° 0.09"
September 92.3° 59.6° 76.0° 0.13"
October 82.9° 52.9° 67.9° 0.53"
November 75.0° 45.3° 60.1° 0.89"
December 66.5° 40.1° 53.3° 2.01"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station REDLANDS, CA US (ID: USC00047306) • 13.0 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 REDLANDS, 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 55.8 65.5 75.3 85.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 63.8°F 2011: Annual mean 64.8°F 2012: Annual mean 67.2°F 2013: Annual mean 65.4°F 2014: Annual mean 67.4°F 2010: Annual mean of daily highs 77.7°F 2011: Annual mean of daily highs 79.3°F 2012: Annual mean of daily highs 81.8°F 2013: Annual mean of daily highs 78.7°F 2014: Annual mean of daily highs 79.9°F 2010: Annual mean of daily lows 50.0°F 2011: Annual mean of daily lows 50.3°F 2012: Annual mean of daily lows 52.5°F 2013: Annual mean of daily lows 52.1°F 2014: Annual mean of daily lows 55.0°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 63.8 77.7 50.0
2011 64.8 79.3 50.3
2012 67.2 81.8 52.5
2013 65.4 78.7 52.1
2014 67.4 79.9 55.0
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
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.