Annual mean
Annual mean of daily highs
Annual mean of daily lows
Green River city, Wyoming
Official LSAD Designation: Green River city • Census GEOID: 5633740
• Sweetwater County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Green River city.
Reference Weather Station: GREEN RVR, WY US (ID: USC00484065)
• Located 0.3 miles from community center
• Elevation: 1,877.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 31.0° | 8.1° | 19.6° | 0.69" |
| February | 36.1° | 12.9° | 24.5° | 0.51" |
| March | 47.1° | 22.5° | 34.8° | 0.84" |
| April | 56.4° | 29.3° | 42.8° | 1.32" |
| May | 66.2° | 37.6° | 51.9° | 1.67" |
| June | 78.1° | 45.5° | 61.8° | 0.92" |
| July | 86.6° | 52.9° | 69.7° | 0.49" |
| August | 85.0° | 50.7° | 67.9° | 0.64" |
| September | 75.7° | 40.9° | 58.3° | 0.87" |
| October | 60.7° | 30.3° | 45.5° | 1.04" |
| November | 43.9° | 19.0° | 31.4° | 0.69" |
| December | 32.0° | 9.8° | 20.9° | 0.63" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station GREEN RVR, WY US (ID: USC00484065) • 0.3 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 | Unavailable | Unavailable | Unavailable |
| 2011 | 43.2 | 57.5 | 28.9 |
| 2012 | 47.5 | 63.0 | 32.1 |
| 2013 | 44.4 | 59.1 | 29.8 |
| 2014 | 46.3 | 61.0 | 31.7 |
| 2015 | 46.8 | 61.9 | 31.8 |
| 2016 | 45.4 | 60.0 | 30.7 |
| 2017 | 45.4 | 60.1 | 30.8 |
| 2018 | 45.8 | 60.6 | 31.0 |
| 2019 | 41.4 | 55.7 | 27.1 |
| 2020 | 44.5 | 59.8 | 29.2 |
| 2021 | 47.0 | 61.4 | 32.6 |
| 2022 | 45.2 | 59.9 | 30.5 |
| 2023 | 42.7 | 56.5 | 28.8 |
| 2024 | 46.6 | 61.2 | 32.1 |
| 2025 | 48.3 | 63.3 | 33.3 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.