Annual mean
Annual mean of daily highs
Annual mean of daily lows
Arapahoe CDP, Wyoming
Official LSAD Designation: Arapahoe CDP • Census GEOID: 5603000
• Fremont County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Arapahoe CDP.
Reference Weather Station: RIVERTON, WY US (ID: USW00024061)
• Located 5.2 miles from community center
• Elevation: 1,697.1 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 30.6° | 7.9° | 19.2° | 0.29" |
| February | 35.5° | 11.9° | 23.7° | 0.40" |
| March | 48.5° | 22.7° | 35.6° | 0.65" |
| April | 56.8° | 30.1° | 43.5° | 1.20" |
| May | 66.8° | 39.5° | 53.2° | 1.92" |
| June | 78.7° | 48.1° | 63.4° | 0.94" |
| July | 88.1° | 55.7° | 71.9° | 0.54" |
| August | 85.5° | 53.7° | 69.6° | 0.42" |
| September | 74.0° | 44.4° | 59.2° | 0.77" |
| October | 58.0° | 31.5° | 44.7° | 0.83" |
| November | 42.6° | 18.9° | 30.8° | 0.34" |
| December | 30.8° | 8.4° | 19.6° | 0.26" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station RIVERTON, WY US (ID: USW00024061) • 5.2 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 | 57.1 | 31.8 |
| 2011 | 44.4 | 57.2 | 31.6 |
| 2012 | 48.7 | 62.5 | 34.8 |
| 2013 | Unavailable | Unavailable | Unavailable |
| 2014 | Unavailable | Unavailable | Unavailable |
| 2015 | 46.9 | 59.2 | 34.4 |
| 2016 | 46.5 | 59.4 | 33.6 |
| 2017 | 44.5 | 57.2 | 31.8 |
| 2018 | 44.3 | 57.7 | 31.0 |
| 2019 | 41.9 | 54.6 | 29.2 |
| 2020 | 44.5 | 58.5 | 30.4 |
| 2021 | 46.9 | 60.7 | 33.2 |
| 2022 | 44.3 | 58.1 | 30.7 |
| 2023 | 41.7 | 53.9 | 29.5 |
| 2024 | 46.9 | 60.3 | 33.5 |
| 2025 | 47.3 | 60.9 | 33.7 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.