Annual mean
Annual mean of daily highs
Annual mean of daily lows
Choteau city, Montana
Official LSAD Designation: Choteau city • Census GEOID: 3014650
• Teton County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Choteau city.
Reference Weather Station: CHOTEAU, MT US (ID: USC00241737)
• Located 0.8 miles from community center
• Elevation: 1,172.0 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 37.4° | 13.4° | 25.4° | 0.28" |
| February | 38.9° | 14.2° | 26.5° | 0.41" |
| March | 47.0° | 21.0° | 34.0° | 0.52" |
| April | 55.8° | 28.9° | 42.4° | 1.15" |
| May | 65.1° | 37.0° | 51.1° | 2.14" |
| June | 72.3° | 44.1° | 58.2° | 2.75" |
| July | 82.0° | 48.3° | 65.2° | 0.99" |
| August | 81.0° | 46.9° | 64.0° | 1.06" |
| September | 71.6° | 39.8° | 55.7° | 1.16" |
| October | 58.0° | 30.6° | 44.3° | 0.74" |
| November | 45.0° | 21.6° | 33.3° | 0.41" |
| December | 37.4° | 14.6° | 26.0° | 0.32" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station CHOTEAU, MT US (ID: USC00241737) • 0.8 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 | 56.1 | 29.3 |
| 2011 | 42.8 | 56.2 | 29.4 |
| 2012 | 45.4 | 59.1 | 31.7 |
| 2013 | 44.6 | 58.3 | 30.9 |
| 2014 | 43.3 | 56.6 | 29.9 |
| 2015 | 46.2 | 60.1 | 32.4 |
| 2016 | 45.8 | 59.2 | 32.4 |
| 2017 | 43.6 | 57.2 | 29.9 |
| 2018 | 42.4 | 55.9 | 28.9 |
| 2019 | 40.7 | 53.2 | 28.2 |
| 2020 | 44.8 | 58.2 | 31.4 |
| 2021 | 44.5 | 58.8 | 30.1 |
| 2022 | 43.8 | 57.8 | 29.8 |
| 2023 | 45.9 | 59.3 | 32.6 |
| 2024 | 45.0 | 59.1 | 30.8 |
| 2025 | 45.3 | 59.0 | 31.6 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.