Annual mean
Annual mean of daily highs
Annual mean of daily lows
Acton CDP, Montana
Official LSAD Designation: Acton CDP • Census GEOID: 3000400
• Yellowstone County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Acton CDP.
Reference Weather Station: BILLINGS LOGAN INTL AP, MT US (ID: USW00024033)
• Located 10.7 miles from community center
• Elevation: 1,091.5 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 36.0° | 17.9° | 27.0° | 0.55" |
| February | 39.2° | 19.7° | 29.4° | 0.57" |
| March | 49.0° | 26.9° | 38.0° | 0.90" |
| April | 56.9° | 34.7° | 45.8° | 1.72" |
| May | 66.9° | 43.8° | 55.3° | 2.36" |
| June | 77.0° | 52.4° | 64.7° | 2.22" |
| July | 87.3° | 59.3° | 73.3° | 1.22" |
| August | 85.8° | 57.5° | 71.6° | 0.87" |
| September | 74.3° | 48.6° | 61.4° | 1.36" |
| October | 58.8° | 37.1° | 47.9° | 1.37" |
| November | 45.7° | 26.7° | 36.2° | 0.60" |
| December | 36.1° | 19.2° | 27.6° | 0.57" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station BILLINGS LOGAN INTL AP, MT US (ID: USW00024033) • 10.7 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 | 47.3 | 58.0 | 36.7 |
| 2011 | 47.3 | 58.1 | 36.4 |
| 2012 | 51.0 | 63.1 | 38.9 |
| 2013 | 48.3 | 59.5 | 37.2 |
| 2014 | 47.3 | 58.0 | 36.6 |
| 2015 | 50.7 | 62.1 | 39.2 |
| 2016 | 50.8 | 62.0 | 39.6 |
| 2017 | 48.5 | 59.3 | 37.6 |
| 2018 | 46.2 | 57.0 | 35.5 |
| 2019 | 45.4 | 55.8 | 35.1 |
| 2020 | 49.1 | 60.6 | 37.6 |
| 2021 | 49.9 | 61.7 | 38.1 |
| 2022 | 47.5 | 59.1 | 36.0 |
| 2023 | 49.4 | 60.1 | 38.8 |
| 2024 | 50.4 | 62.1 | 38.6 |
| 2025 | 49.1 | 60.1 | 38.2 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.