Annual mean
Annual mean of daily highs
Annual mean of daily lows
Brockway CDP, Montana
Official LSAD Designation: Brockway CDP • Census GEOID: 3010075
• McCone County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Brockway CDP.
Reference Weather Station: BROCKWAY 3 WSW, MT US (ID: USC00241169)
• Located 3.2 miles from community center
• Elevation: 801.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 28.8° | 7.2° | 18.0° | 0.24" |
| February | 32.5° | 10.5° | 21.5° | 0.18" |
| March | 44.5° | 20.7° | 32.6° | 0.29" |
| April | 56.6° | 30.7° | 43.6° | 1.16" |
| May | 66.7° | 40.4° | 53.5° | 2.48" |
| June | 76.2° | 50.1° | 63.2° | 2.54" |
| July | 85.2° | 55.8° | 70.5° | 2.07" |
| August | 84.8° | 54.3° | 69.5° | 1.14" |
| September | 73.3° | 44.0° | 58.7° | 1.08" |
| October | 57.4° | 31.9° | 44.7° | 0.86" |
| November | 42.6° | 19.5° | 31.1° | 0.21" |
| December | 31.4° | 10.2° | 20.8° | 0.20" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station BROCKWAY 3 WSW, MT US (ID: USC00241169) • 3.2 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 | 42.7 | 55.7 | 29.8 |
| 2011 | Unavailable | Unavailable | 30.3 |
| 2012 | 47.1 | 60.7 | 33.6 |
| 2013 | 43.2 | 55.2 | 31.2 |
| 2014 | 42.7 | 54.9 | 30.5 |
| 2015 | 46.1 | 59.5 | 32.8 |
| 2016 | 46.2 | 58.9 | 33.5 |
| 2017 | 45.0 | 57.8 | 32.1 |
| 2018 | 42.2 | 54.0 | 30.4 |
| 2019 | 40.9 | 52.3 | 29.5 |
| 2020 | 44.9 | 57.7 | 32.2 |
| 2021 | 45.8 | 59.5 | 32.2 |
| 2022 | 43.2 | 55.5 | 30.8 |
| 2023 | 45.9 | 57.5 | 34.2 |
| 2024 | 46.7 | 59.3 | 34.0 |
| 2025 | Unavailable | 56.0 | Unavailable |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.