Annual mean
Annual mean of daily highs
Annual mean of daily lows
Ralston city, Iowa
Official LSAD Designation: Ralston city • Census GEOID: 1965505
• Carroll County / Greene County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Ralston city.
Reference Weather Station: CARROLL, IA US (ID: USC00131233)
• Located 11.4 miles from community center
• Elevation: 378.0 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 27.9° | 10.3° | 19.1° | 0.90" |
| February | 32.8° | 14.2° | 23.5° | 1.11" |
| March | 46.2° | 25.3° | 35.7° | 1.87" |
| April | 59.9° | 36.1° | 48.0° | 3.35" |
| May | 71.1° | 49.2° | 60.1° | 4.49" |
| June | 81.3° | 60.0° | 70.7° | 5.12" |
| July | 84.3° | 63.9° | 74.1° | 4.36" |
| August | 82.2° | 61.2° | 71.7° | 4.06" |
| September | 76.3° | 51.8° | 64.0° | 2.95" |
| October | 62.9° | 39.5° | 51.2° | 2.68" |
| November | 46.4° | 26.7° | 36.6° | 1.44" |
| December | 33.1° | 16.1° | 24.6° | 1.38" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station CARROLL, IA US (ID: USC00131233) • 11.4 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 | 47.2 | 57.7 | 36.8 |
| 2011 | 47.5 | 58.5 | 36.6 |
| 2012 | 51.7 | 63.9 | 39.5 |
| 2013 | 46.3 | 57.1 | 35.6 |
| 2014 | 45.4 | 56.1 | 34.6 |
| 2015 | 48.9 | 59.3 | 38.5 |
| 2016 | 50.4 | 60.7 | 40.0 |
| 2017 | 50.3 | 61.1 | 39.4 |
| 2018 | 47.3 | 57.2 | 37.3 |
| 2019 | 47.1 | 57.2 | 37.0 |
| 2020 | 49.7 | 60.8 | 38.6 |
| 2021 | 50.5 | 61.6 | 39.3 |
| 2022 | 47.6 | 59.7 | 35.5 |
| 2023 | 50.7 | 62.2 | 39.3 |
| 2024 | 51.5 | 63.1 | 39.9 |
| 2025 | 49.8 | 61.2 | 38.4 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.