Annual mean
Annual mean of daily highs
Annual mean of daily lows
Bristow city, Iowa
Official LSAD Designation: Bristow city • Census GEOID: 1908560
• Butler County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Bristow city.
Reference Weather Station: ALLISON, IA US (ID: USC00130157)
• Located 5.5 miles from community center
• Elevation: 316.4 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 25.0° | 7.5° | 16.2° | 0.94" |
| February | 29.4° | 11.5° | 20.5° | 1.04" |
| March | 43.4° | 24.1° | 33.7° | 1.79" |
| April | 58.5° | 35.9° | 47.2° | 3.81" |
| May | 70.2° | 48.6° | 59.4° | 5.13" |
| June | 79.8° | 59.3° | 69.6° | 5.46" |
| July | 82.7° | 62.8° | 72.7° | 4.20" |
| August | 80.4° | 60.2° | 70.3° | 4.04" |
| September | 74.3° | 51.2° | 62.8° | 3.37" |
| October | 61.0° | 39.0° | 50.0° | 2.51" |
| November | 44.3° | 25.4° | 34.9° | 1.76" |
| December | 30.5° | 14.6° | 22.6° | 1.35" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station ALLISON, IA US (ID: USC00130157) • 5.5 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 | 57.3 | 36.6 |
| 2011 | 46.9 | 57.0 | 36.8 |
| 2012 | 50.8 | 62.2 | 39.3 |
| 2013 | 44.9 | 54.8 | 34.9 |
| 2014 | 43.4 | 53.3 | 33.5 |
| 2015 | 47.6 | 57.6 | 37.6 |
| 2016 | 48.6 | 58.2 | 39.0 |
| 2017 | 48.1 | 57.9 | 38.3 |
| 2018 | 45.4 | 54.6 | 36.2 |
| 2019 | 44.8 | 54.7 | 35.0 |
| 2020 | 47.3 | 57.8 | 36.9 |
| 2021 | 48.3 | 58.6 | 37.9 |
| 2022 | 45.0 | 55.7 | 34.3 |
| 2023 | 48.9 | 59.7 | 38.1 |
| 2024 | 50.1 | 60.9 | 39.2 |
| 2025 | Unavailable | Unavailable | Unavailable |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.