Annual mean
Annual mean of daily highs
Annual mean of daily lows
Alta city, Iowa
Official LSAD Designation: Alta city • Census GEOID: 1901495
• Buena Vista County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Alta city.
Reference Weather Station: STORM LAKE, IA US (ID: USC00137979)
• Located 5.9 miles from community center
• Elevation: 439.5 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 25.8° | 8.8° | 17.3° | 0.77" |
| February | 30.2° | 13.3° | 21.7° | 1.01" |
| March | 43.4° | 25.1° | 34.2° | 1.74" |
| April | 58.1° | 36.9° | 47.5° | 3.53" |
| May | 69.1° | 49.4° | 59.3° | 4.87" |
| June | 79.2° | 60.2° | 69.7° | 5.33" |
| July | 82.3° | 63.7° | 73.0° | 3.83" |
| August | 79.9° | 61.4° | 70.6° | 4.43" |
| September | 74.1° | 52.6° | 63.3° | 2.96" |
| October | 60.6° | 39.6° | 50.1° | 2.42" |
| November | 44.3° | 26.6° | 35.5° | 1.75" |
| December | 31.1° | 15.3° | 23.2° | 1.11" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station STORM LAKE, IA US (ID: USC00137979) • 5.9 miles from community center .
This is the same reference station used for monthly normals.
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 | 47.0 | 57.0 | 37.0 |
| 2011 | 45.9 | 55.9 | 35.8 |
| 2012 | 50.5 | 61.6 | 39.3 |
| 2013 | Unavailable | Unavailable | Unavailable |
| 2014 | 44.9 | 54.6 | 35.2 |
| 2015 | 48.6 | 57.9 | 39.3 |
| 2016 | 49.8 | 58.9 | 40.7 |
| 2017 | 49.2 | 58.7 | 39.8 |
| 2018 | 46.3 | 55.1 | 37.4 |
| 2019 | Unavailable | Unavailable | Unavailable |
| 2020 | 48.3 | 57.8 | 38.8 |
| 2021 | 49.3 | 58.5 | 40.0 |
| 2022 | 46.3 | 57.1 | 35.6 |
| 2023 | 48.9 | 58.9 | 38.9 |
| 2024 | 50.5 | 60.4 | 40.5 |
| 2025 | 48.9 | 58.9 | 38.9 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.