Annual mean
Annual mean of daily highs
Annual mean of daily lows
Green Grass CDP, South Dakota
Official LSAD Designation: Green Grass CDP • Census GEOID: 4625900
• Dewey County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Green Grass CDP.
Reference Weather Station: DUPREE, SD US (ID: USC00392429)
• Located 17.1 miles from community center
• Elevation: 727.9 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 31.4° | 9.8° | 20.6° | 0.41" |
| February | 35.1° | 13.1° | 24.1° | 0.59" |
| March | 47.9° | 22.5° | 35.2° | 0.85" |
| April | 60.7° | 32.9° | 46.8° | 1.98" |
| May | 71.7° | 44.0° | 57.9° | 3.27" |
| June | 82.3° | 54.3° | 68.3° | 3.72" |
| July | 90.2° | 60.2° | 75.2° | 2.49" |
| August | 89.5° | 58.3° | 73.9° | 1.79" |
| September | 80.0° | 48.8° | 64.4° | 1.22" |
| October | 62.6° | 35.6° | 49.1° | 1.60" |
| November | 46.2° | 23.1° | 34.6° | 0.43" |
| December | 34.2° | 13.3° | 23.7° | 0.50" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station DUPREE, SD US (ID: USC00392429) • 17.1 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 | 44.5 | 55.8 | 33.2 |
| 2011 | 44.7 | 56.6 | 32.8 |
| 2012 | 49.5 | 63.5 | 35.5 |
| 2013 | 46.8 | 59.7 | 33.9 |
| 2014 | 45.6 | 58.2 | 33.0 |
| 2015 | 50.3 | 64.2 | 36.4 |
| 2016 | 50.6 | 64.6 | 36.6 |
| 2017 | 48.5 | 62.4 | 34.6 |
| 2018 | 46.0 | 59.2 | 32.9 |
| 2019 | 43.7 | 55.3 | 32.1 |
| 2020 | 48.7 | 62.5 | 34.8 |
| 2021 | 50.1 | 64.7 | 35.5 |
| 2022 | 47.6 | 61.8 | 33.4 |
| 2023 | 48.7 | 62.2 | 35.3 |
| 2024 | 50.0 | 63.7 | 36.3 |
| 2025 | Unavailable | Unavailable | Unavailable |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.