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Union city, Oregon

Official LSAD Designation: Union city • Census GEOID: 4175850 • Union County

Climate Normals & Weather Observations

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

Reference Weather Station: UNION, OR US (ID: USC00358746) • Located 0.7 miles from community center • Elevation: 846.4 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 39.5° 25.4° 32.5° 1.19"
February 44.5° 27.0° 35.7° 0.93"
March 52.5° 30.7° 41.6° 1.26"
April 58.9° 34.4° 46.6° 1.68"
May 67.5° 41.4° 54.4° 2.47"
June 74.4° 46.6° 60.5° 1.69"
July 85.8° 50.9° 68.3° 0.48"
August 86.9° 50.0° 68.5° 0.46"
September 77.1° 42.6° 59.8° 0.70"
October 62.7° 34.4° 48.5° 1.15"
November 47.9° 30.5° 39.2° 1.53"
December 39.0° 25.1° 32.0° 1.22"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station Moss Springs, OR US (ID: USS0017D06S) • 9.6 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00358746), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at Moss Springs, 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. 24.0 32.0 40.0 48.0 56.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 39.2°F 2011: Annual mean 37.6°F 2012: Annual mean 39.3°F 2013: Annual mean 38.8°F 2014: Annual mean 39.9°F 2015: Annual mean 41.1°F 2016: Annual mean 39.8°F 2017: Annual mean 39.9°F 2018: Annual mean 39.2°F 2019: Annual mean 38.4°F 2020: Annual mean 39.6°F 2021: Annual mean 40.1°F 2022: Annual mean 39.3°F 2023: Annual mean 39.9°F 2024: Annual mean 40.7°F 2010: Annual mean of daily highs 49.7°F 2011: Annual mean of daily highs 48.2°F 2012: Annual mean of daily highs 50.5°F 2013: Annual mean of daily highs 49.9°F 2014: Annual mean of daily highs 50.8°F 2015: Annual mean of daily highs 52.7°F 2016: Annual mean of daily highs 50.6°F 2017: Annual mean of daily highs 50.3°F 2018: Annual mean of daily highs 49.8°F 2019: Annual mean of daily highs 48.8°F 2020: Annual mean of daily highs 50.3°F 2021: Annual mean of daily highs 50.6°F 2022: Annual mean of daily highs 50.1°F 2023: Annual mean of daily highs 50.1°F 2024: Annual mean of daily highs 50.9°F 2010: Annual mean of daily lows 28.7°F 2011: Annual mean of daily lows 27.1°F 2012: Annual mean of daily lows 28.2°F 2013: Annual mean of daily lows 27.7°F 2014: Annual mean of daily lows 29.0°F 2015: Annual mean of daily lows 29.5°F 2016: Annual mean of daily lows 29.0°F 2017: Annual mean of daily lows 29.4°F 2018: Annual mean of daily lows 28.6°F 2019: Annual mean of daily lows 28.0°F 2020: Annual mean of daily lows 29.0°F 2021: Annual mean of daily lows 29.6°F 2022: Annual mean of daily lows 28.5°F 2023: Annual mean of daily lows 29.6°F 2024: Annual mean of daily lows 30.6°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 39.2 49.7 28.7
2011 37.6 48.2 27.1
2012 39.3 50.5 28.2
2013 38.8 49.9 27.7
2014 39.9 50.8 29.0
2015 41.1 52.7 29.5
2016 39.8 50.6 29.0
2017 39.9 50.3 29.4
2018 39.2 49.8 28.6
2019 38.4 48.8 28.0
2020 39.6 50.3 29.0
2021 40.1 50.6 29.6
2022 39.3 50.1 28.5
2023 39.9 50.1 29.6
2024 40.7 50.9 30.6
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.