Annual mean
Annual mean of daily highs
Annual mean of daily lows
Brooks CDP, Montana
Official LSAD Designation: Brooks CDP • Census GEOID: 3010150
• Fergus County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Brooks CDP.
Reference Weather Station: LEWISTOWN MUNI AP, MT US (ID: USW00024036)
• Located 10.9 miles from community center
• Elevation: 1,263.4 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 34.4° | 12.9° | 23.7° | 0.58" |
| February | 35.3° | 13.9° | 24.6° | 0.49" |
| March | 44.3° | 21.4° | 32.9° | 0.87" |
| April | 53.0° | 28.8° | 40.9° | 1.71" |
| May | 62.6° | 37.4° | 50.0° | 2.88" |
| June | 71.0° | 45.1° | 58.0° | 3.35" |
| July | 81.6° | 50.7° | 66.1° | 1.76" |
| August | 81.1° | 49.6° | 65.4° | 1.69" |
| September | 70.4° | 41.5° | 55.9° | 1.39" |
| October | 56.0° | 30.8° | 43.4° | 1.27" |
| November | 43.4° | 20.9° | 32.1° | 0.67" |
| December | 35.0° | 13.6° | 24.3° | 0.51" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station LEWISTOWN MUNI AP, MT US (ID: USW00024036) • 10.9 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 | 42.0 | 53.7 | 30.3 |
| 2011 | 41.9 | 53.9 | 30.0 |
| 2012 | 44.6 | 57.5 | 31.7 |
| 2013 | 42.8 | 55.1 | 30.5 |
| 2014 | 42.8 | 54.7 | 30.8 |
| 2015 | 46.5 | 59.3 | 33.6 |
| 2016 | 46.0 | 58.3 | 33.7 |
| 2017 | 43.8 | 56.3 | 31.2 |
| 2018 | 41.5 | 53.6 | 29.3 |
| 2019 | 39.6 | 51.4 | 27.8 |
| 2020 | 43.8 | 56.4 | 31.2 |
| 2021 | 44.2 | 57.3 | 31.1 |
| 2022 | 42.3 | 55.0 | 29.6 |
| 2023 | 44.7 | 56.8 | 32.6 |
| 2024 | 44.7 | 57.6 | 31.7 |
| 2025 | 44.0 | 56.6 | 31.4 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.