Annual mean
Annual mean of daily highs
Annual mean of daily lows
Riverton city, Wyoming
Official LSAD Designation: Riverton city • Census GEOID: 5666220
• Fremont County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Riverton city.
Reference Weather Station: RIVERTON, WY US (ID: USC00487760)
• Located 0.5 miles from community center
• Elevation: 1,510.3 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 28.7° | 4.2° | 16.4° | 0.35" |
| February | 35.5° | 9.6° | 22.5° | 0.43" |
| March | 49.2° | 22.2° | 35.7° | 0.71" |
| April | 58.0° | 30.5° | 44.2° | 1.31" |
| May | 67.4° | 40.3° | 53.8° | 1.98" |
| June | 78.9° | 48.5° | 63.7° | 1.09" |
| July | 87.9° | 54.8° | 71.3° | 0.70" |
| August | 85.7° | 52.2° | 69.0° | 0.45" |
| September | 74.4° | 42.5° | 58.4° | 0.80" |
| October | 59.2° | 30.4° | 44.8° | 0.93" |
| November | 42.7° | 17.1° | 29.9° | 0.44" |
| December | 29.6° | 5.7° | 17.6° | 0.31" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station RIVERTON, WY US (ID: USC00487760) • 0.5 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 | 44.5 | 58.7 | 30.2 |
| 2011 | 43.8 | 57.8 | 29.8 |
| 2012 | 48.5 | 63.8 | 33.3 |
| 2013 | 44.5 | 58.4 | 30.6 |
| 2014 | 44.9 | 58.9 | 30.8 |
| 2015 | 45.9 | 59.6 | 32.3 |
| 2016 | 45.7 | 59.9 | 31.4 |
| 2017 | 44.0 | 57.7 | 30.3 |
| 2018 | 44.0 | 58.2 | 29.7 |
| 2019 | 41.5 | 54.8 | 28.1 |
| 2020 | 44.1 | 59.1 | 29.0 |
| 2021 | 47.1 | 61.6 | 32.6 |
| 2022 | 44.0 | 58.3 | 29.6 |
| 2023 | 41.2 | 54.2 | 28.2 |
| 2024 | 46.4 | 60.8 | 31.9 |
| 2025 | 47.0 | 61.5 | 32.5 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.