Skip to main content

Rutherford CDP, California

Official LSAD Designation: Rutherford CDP • Census GEOID: 0663400 • Napa County

Climate Normals & Weather Observations

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

Reference Weather Station: SAINT HELENA, CA US (ID: USC00047643) • Located 4.1 miles from community center • Elevation: 68.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 58.8° 40.2° 49.5° 6.47"
February 62.5° 41.9° 52.2° 6.71"
March 66.8° 43.9° 55.4° 4.98"
April 71.8° 46.3° 59.0° 1.97"
May 78.1° 50.5° 64.3° 1.31"
June 85.4° 54.2° 69.8° 0.35"
July 88.7° 56.0° 72.4° 0.01"
August 88.8° 55.7° 72.3° 0.04"
September 86.6° 53.8° 70.2° 0.06"
October 78.1° 49.4° 63.7° 1.65"
November 65.8° 43.7° 54.7° 3.24"
December 58.3° 39.6° 48.9° 7.18"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station SAINT HELENA, CA US (ID: USC00047643) • 4.1 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 SAINT HELENA, 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. 44.0 53.3 62.5 71.8 81.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 59.7°F 2011: Annual mean 59.6°F 2013: Annual mean 61.8°F 2014: Annual mean 63.3°F 2015: Annual mean 63.1°F 2016: Annual mean 61.9°F 2017: Annual mean 62.6°F 2018: Annual mean 62.1°F 2010: Annual mean of daily highs 71.3°F 2011: Annual mean of daily highs 71.9°F 2013: Annual mean of daily highs 76.3°F 2014: Annual mean of daily highs 76.7°F 2015: Annual mean of daily highs 77.1°F 2016: Annual mean of daily highs 74.7°F 2017: Annual mean of daily highs 75.9°F 2018: Annual mean of daily highs 75.9°F 2010: Annual mean of daily lows 48.0°F 2011: Annual mean of daily lows 47.2°F 2013: Annual mean of daily lows 47.2°F 2014: Annual mean of daily lows 49.9°F 2015: Annual mean of daily lows 49.2°F 2016: Annual mean of daily lows 49.1°F 2017: Annual mean of daily lows 49.3°F 2018: Annual mean of daily lows 48.3°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 59.7 71.3 48.0
2011 59.6 71.9 47.2
2012 Unavailable Unavailable Unavailable
2013 61.8 76.3 47.2
2014 63.3 76.7 49.9
2015 63.1 77.1 49.2
2016 61.9 74.7 49.1
2017 62.6 75.9 49.3
2018 62.1 75.9 48.3
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.