Skip to main content

Rail Road Flat CDP, California

Official LSAD Designation: Rail Road Flat CDP • Census GEOID: 0659220 • Calaveras County

Climate Normals & Weather Observations

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

Reference Weather Station: CALAVERAS BIG TREES, CA US (ID: USC00041277) • Located 13.6 miles from community center • Elevation: 1,431.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 45.0° 30.4° 37.7° 10.57"
February 45.7° 30.1° 37.9° 9.82"
March 48.7° 31.8° 40.3° 8.48"
April 54.1° 34.9° 44.5° 4.59"
May 62.6° 41.7° 52.1° 2.79"
June 73.0° 49.0° 61.0° 0.95"
July 80.5° 55.7° 68.1° 0.11"
August 79.8° 54.9° 67.3° 0.06"
September 73.7° 50.6° 62.1° 0.39"
October 63.5° 42.5° 53.0° 2.93"
November 52.0° 34.4° 43.2° 5.17"
December 44.0° 29.7° 36.8° 9.65"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station CALAVERAS BIG TREES, CA US (ID: USC00041277) • 13.6 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 CALAVERAS BIG TREES, 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. 38.0 45.0 52.0 59.0 66.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2015: Annual mean 53.1°F 2016: Annual mean 51.0°F 2015: Annual mean of daily highs 63.3°F 2016: Annual mean of daily highs 61.1°F 2015: Annual mean of daily lows 42.8°F 2016: Annual mean of daily lows 40.9°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 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 53.1 63.3 42.8
2016 51.0 61.1 40.9
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.