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Annex CDP, Oregon

Official LSAD Designation: Annex CDP • Census GEOID: 4102200 • Malheur County

Climate Normals & Weather Observations

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

Reference Weather Station: WEISER, ID US (ID: USC00109638) • Located 1.4 miles from community center • Elevation: 646.2 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 36.2° 22.5° 29.4° 1.96"
February 44.4° 26.3° 35.3° 1.34"
March 56.7° 32.9° 44.8° 1.22"
April 64.3° 38.5° 51.4° 1.07"
May 74.4° 46.8° 60.6° 1.29"
June 83.5° 53.4° 68.5° 1.04"
July 94.5° 61.1° 77.8° 0.35"
August 91.8° 59.0° 75.4° 0.26"
September 80.8° 49.0° 64.9° 0.40"
October 65.1° 37.6° 51.3° 0.83"
November 48.0° 28.5° 38.2° 1.32"
December 36.8° 22.5° 29.7° 2.37"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station PAYETTE, ID US (ID: USC00106891) • 11.3 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00109638), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at PAYETTE, ID 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. 35.0 44.5 54.0 63.5 73.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 52.1°F 2012: Annual mean 53.6°F 2013: Annual mean 51.5°F 2015: Annual mean 57.0°F 2016: Annual mean 54.0°F 2017: Annual mean 52.9°F 2018: Annual mean 53.7°F 2019: Annual mean 51.6°F 2020: Annual mean 53.5°F 2023: Annual mean 53.1°F 2024: Annual mean 53.9°F 2025: Annual mean 54.4°F 2010: Annual mean of daily highs 65.4°F 2012: Annual mean of daily highs 67.0°F 2013: Annual mean of daily highs 64.3°F 2015: Annual mean of daily highs 69.9°F 2016: Annual mean of daily highs 66.6°F 2017: Annual mean of daily highs 65.1°F 2018: Annual mean of daily highs 66.8°F 2019: Annual mean of daily highs 64.0°F 2020: Annual mean of daily highs 66.6°F 2023: Annual mean of daily highs 65.4°F 2024: Annual mean of daily highs 67.0°F 2025: Annual mean of daily highs 67.5°F 2010: Annual mean of daily lows 38.8°F 2012: Annual mean of daily lows 40.2°F 2013: Annual mean of daily lows 38.8°F 2015: Annual mean of daily lows 44.1°F 2016: Annual mean of daily lows 41.3°F 2017: Annual mean of daily lows 40.7°F 2018: Annual mean of daily lows 40.6°F 2019: Annual mean of daily lows 39.3°F 2020: Annual mean of daily lows 40.5°F 2023: Annual mean of daily lows 40.7°F 2024: Annual mean of daily lows 40.9°F 2025: Annual mean of daily lows 41.2°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 52.1 65.4 38.8
2011 Unavailable Unavailable Unavailable
2012 53.6 67.0 40.2
2013 51.5 64.3 38.8
2014 Unavailable Unavailable Unavailable
2015 57.0 69.9 44.1
2016 54.0 66.6 41.3
2017 52.9 65.1 40.7
2018 53.7 66.8 40.6
2019 51.6 64.0 39.3
2020 53.5 66.6 40.5
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 53.1 65.4 40.7
2024 53.9 67.0 40.9
2025 54.4 67.5 41.2
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.