Annual mean
Annual mean of daily highs
Annual mean of daily lows
Ballantine CDP, Montana
Official LSAD Designation: Ballantine CDP • Census GEOID: 3003625
• Yellowstone County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Ballantine CDP.
Reference Weather Station: HUNTLEY EXP STN, MT US (ID: USC00244345)
• Located 5.3 miles from community center
• Elevation: 924.8 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 34.9° | 11.8° | 23.4° | 0.45" |
| February | 39.2° | 14.3° | 26.7° | 0.50" |
| March | 49.8° | 22.1° | 35.9° | 0.80" |
| April | 58.5° | 31.9° | 45.2° | 1.70" |
| May | 67.5° | 41.4° | 54.5° | 2.61" |
| June | 77.1° | 49.5° | 63.3° | 2.26" |
| July | 87.1° | 54.9° | 71.0° | 1.53" |
| August | 86.1° | 52.5° | 69.3° | 0.85" |
| September | 75.3° | 43.2° | 59.2° | 1.35" |
| October | 60.3° | 31.1° | 45.7° | 1.35" |
| November | 46.7° | 21.0° | 33.9° | 0.58" |
| December | 36.4° | 12.9° | 24.6° | 0.46" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station HUNTLEY EXP STN, MT US (ID: USC00244345) • 5.3 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 | 46.2 | 60.1 | 32.3 |
| 2011 | Unavailable | 60.2 | Unavailable |
| 2012 | 49.0 | 64.7 | 33.4 |
| 2013 | 46.3 | 60.5 | 32.2 |
| 2014 | 45.1 | 58.5 | 31.8 |
| 2015 | 48.5 | 62.7 | 34.2 |
| 2016 | 48.5 | 62.6 | 34.3 |
| 2017 | 46.2 | 60.2 | 32.3 |
| 2018 | 43.7 | 57.3 | 30.1 |
| 2019 | 42.8 | 56.2 | 29.4 |
| 2020 | 46.4 | 61.4 | 31.4 |
| 2021 | 46.9 | 62.6 | 31.1 |
| 2022 | 44.4 | 59.2 | 29.7 |
| 2023 | 47.3 | 61.4 | 33.2 |
| 2024 | 47.7 | 62.7 | 32.6 |
| 2025 | 46.8 | 60.9 | 32.8 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.