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Twin Falls city, Idaho

Official LSAD Designation: Twin Falls city • Census GEOID: 1682810 • Twin Falls County

Climate Normals & Weather Observations

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

Reference Weather Station: TWIN FALLS-KMVT, ID US (ID: USC00109293) • Located 1.2 miles from community center • Elevation: 1,118.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 40.4° 22.4° 31.4° 1.04"
February 45.6° 24.7° 35.2° 0.78"
March 55.9° 31.9° 43.9° 0.87"
April 62.6° 35.8° 49.2° 1.02"
May 72.7° 44.8° 58.7° 1.22"
June 81.0° 51.7° 66.3° 0.67"
July 92.1° 58.3° 75.2° 0.16"
August 90.5° 55.5° 73.0° 0.34"
September 79.9° 47.4° 63.7° 0.33"
October 66.9° 37.0° 51.9° 0.70"
November 50.7° 28.0° 39.4° 0.76"
December 39.6° 22.6° 31.1° 1.31"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station TWIN FALLS SUN VLY RGNL AP, ID US (ID: USW00094178) • 5.8 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00109293), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at TWIN FALLS SUN VLY RGNL AP, 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. 33.0 42.0 51.0 60.0 69.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 50.5°F 2011: Annual mean 49.9°F 2012: Annual mean 53.2°F 2013: Annual mean 50.7°F 2014: Annual mean 53.0°F 2015: Annual mean 53.5°F 2016: Annual mean 50.4°F 2017: Annual mean 49.3°F 2018: Annual mean 50.1°F 2019: Annual mean 48.5°F 2020: Annual mean 50.5°F 2021: Annual mean 51.7°F 2022: Annual mean 48.8°F 2023: Annual mean 49.5°F 2025: Annual mean 52.4°F 2010: Annual mean of daily highs 62.1°F 2011: Annual mean of daily highs 62.0°F 2012: Annual mean of daily highs 65.9°F 2013: Annual mean of daily highs 63.1°F 2014: Annual mean of daily highs 64.8°F 2015: Annual mean of daily highs 65.3°F 2016: Annual mean of daily highs 62.2°F 2017: Annual mean of daily highs 61.3°F 2018: Annual mean of daily highs 62.1°F 2019: Annual mean of daily highs 60.2°F 2020: Annual mean of daily highs 62.9°F 2021: Annual mean of daily highs 63.9°F 2022: Annual mean of daily highs 60.8°F 2023: Annual mean of daily highs 61.3°F 2024: Annual mean of daily highs 63.8°F 2025: Annual mean of daily highs 64.3°F 2010: Annual mean of daily lows 38.8°F 2011: Annual mean of daily lows 37.7°F 2012: Annual mean of daily lows 40.4°F 2013: Annual mean of daily lows 38.4°F 2014: Annual mean of daily lows 41.2°F 2015: Annual mean of daily lows 41.7°F 2016: Annual mean of daily lows 38.6°F 2017: Annual mean of daily lows 37.3°F 2018: Annual mean of daily lows 38.0°F 2019: Annual mean of daily lows 36.7°F 2020: Annual mean of daily lows 38.1°F 2021: Annual mean of daily lows 39.5°F 2022: Annual mean of daily lows 36.9°F 2023: Annual mean of daily lows 37.7°F 2025: Annual mean of daily lows 40.4°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 50.5 62.1 38.8
2011 49.9 62.0 37.7
2012 53.2 65.9 40.4
2013 50.7 63.1 38.4
2014 53.0 64.8 41.2
2015 53.5 65.3 41.7
2016 50.4 62.2 38.6
2017 49.3 61.3 37.3
2018 50.1 62.1 38.0
2019 48.5 60.2 36.7
2020 50.5 62.9 38.1
2021 51.7 63.9 39.5
2022 48.8 60.8 36.9
2023 49.5 61.3 37.7
2024 Unavailable 63.8 Unavailable
2025 52.4 64.3 40.4
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.