Annual mean
Annual mean of daily highs
Annual mean of daily lows
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.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| 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.