Annual mean
Annual mean of daily highs
Annual mean of daily lows
Sun Prairie CDP, Montana
Official LSAD Designation: Sun Prairie CDP • Census GEOID: 3072380
• Cascade County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Sun Prairie CDP.
Reference Weather Station: GREAT FALLS INTL AP, MT US (ID: USW00024143)
• Located 6.5 miles from community center
• Elevation: 1,116.8 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 35.3° | 15.0° | 25.2° | 0.55" |
| February | 37.1° | 15.4° | 26.2° | 0.59" |
| March | 46.1° | 22.1° | 34.1° | 0.68" |
| April | 54.9° | 29.9° | 42.4° | 1.73" |
| May | 64.6° | 38.4° | 51.5° | 2.43" |
| June | 72.8° | 45.9° | 59.4° | 2.72" |
| July | 84.3° | 51.4° | 67.9° | 1.23" |
| August | 83.2° | 50.3° | 66.7° | 1.22" |
| September | 71.7° | 42.8° | 57.2° | 1.33" |
| October | 57.0° | 32.6° | 44.8° | 1.07" |
| November | 43.7° | 23.6° | 33.6° | 0.68" |
| December | 35.6° | 16.3° | 26.0° | 0.53" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station GREAT FALLS INTL AP, MT US (ID: USW00024143) • 6.5 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 | 44.3 | 56.1 | 32.5 |
| 2011 | 44.2 | 56.4 | 31.9 |
| 2012 | 47.4 | 60.4 | 34.4 |
| 2013 | 45.8 | 58.8 | 32.8 |
| 2014 | 44.0 | 56.2 | 31.8 |
| 2015 | 46.9 | 59.6 | 34.1 |
| 2016 | 46.5 | 59.2 | 33.9 |
| 2017 | 44.8 | 57.2 | 32.5 |
| 2018 | 43.4 | 55.5 | 31.4 |
| 2019 | 41.3 | 53.0 | 29.6 |
| 2020 | 45.5 | 58.4 | 32.5 |
| 2021 | 45.6 | 58.9 | 32.3 |
| 2022 | 44.3 | 57.2 | 31.4 |
| 2023 | 46.9 | 58.9 | 34.8 |
| 2024 | 46.2 | 59.2 | 33.2 |
| 2025 | 46.1 | 58.8 | 33.4 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.