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La Grande city, Oregon

Official LSAD Designation: La Grande city • Census GEOID: 4140350 • Union County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for La Grande city.

Reference Weather Station: LA GRANDE, OR US (ID: USC00354622) • Located 0.7 miles from community center • Elevation: 839.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 39.3° 24.6° 31.9° 1.67"
February 44.0° 26.8° 35.4° 1.23"
March 51.6° 30.6° 41.1° 1.72"
April 58.7° 35.2° 47.0° 1.83"
May 67.8° 42.5° 55.2° 2.24"
June 74.9° 48.7° 61.8° 1.37"
July 86.2° 54.5° 70.3° 0.60"
August 87.0° 52.8° 69.9° 0.67"
September 77.3° 44.8° 61.0° 0.67"
October 62.4° 35.6° 49.0° 1.58"
November 47.7° 30.0° 38.8° 1.94"
December 38.7° 24.4° 31.5° 1.88"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station LA GRANDE, OR US (ID: USC00354622) • 0.7 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 LA GRANDE, OR 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. 33.0 41.8 50.5 59.3 68.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 48.1°F 2011: Annual mean 46.8°F 2012: Annual mean 49.5°F 2014: Annual mean 50.9°F 2017: Annual mean 49.2°F 2019: Annual mean 48.9°F 2021: Annual mean 51.7°F 2010: Annual mean of daily highs 58.6°F 2011: Annual mean of daily highs 57.4°F 2012: Annual mean of daily highs 61.3°F 2014: Annual mean of daily highs 62.9°F 2017: Annual mean of daily highs 61.6°F 2019: Annual mean of daily highs 61.4°F 2021: Annual mean of daily highs 65.0°F 2010: Annual mean of daily lows 37.7°F 2011: Annual mean of daily lows 36.1°F 2012: Annual mean of daily lows 37.8°F 2014: Annual mean of daily lows 38.8°F 2017: Annual mean of daily lows 36.7°F 2019: Annual mean of daily lows 36.4°F 2021: Annual mean of daily lows 38.5°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 48.1 58.6 37.7
2011 46.8 57.4 36.1
2012 49.5 61.3 37.8
2013 Unavailable Unavailable Unavailable
2014 50.9 62.9 38.8
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 49.2 61.6 36.7
2018 Unavailable Unavailable Unavailable
2019 48.9 61.4 36.4
2020 Unavailable Unavailable Unavailable
2021 51.7 65.0 38.5
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.