Annual mean
Annual mean of daily highs
Annual mean of daily lows
Boulder CDP, Wyoming
Official LSAD Designation: Boulder CDP • Census GEOID: 5609235
• Sublette County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Boulder CDP.
Reference Weather Station: BOULDER REARING STN, WY US (ID: USC00480951)
• Located 2.3 miles from community center
• Elevation: 2,115.3 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 27.2° | -7.4° | 9.9° | 0.48" |
| February | 30.8° | -4.6° | 13.1° | 0.51" |
| March | 41.7° | 9.3° | 25.5° | 0.53" |
| April | 53.1° | 19.9° | 36.5° | 0.88" |
| May | 62.8° | 28.4° | 45.6° | 1.44" |
| June | 72.9° | 35.7° | 54.3° | 1.26" |
| July | 81.5° | 40.8° | 61.1° | 0.71" |
| August | 80.5° | 38.6° | 59.5° | 0.73" |
| September | 71.2° | 30.3° | 50.8° | 1.00" |
| October | 57.9° | 19.7° | 38.8° | 0.88" |
| November | 41.5° | 7.9° | 24.7° | 0.45" |
| December | 29.2° | -4.1° | 12.5° | 0.46" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station BOULDER REARING STN, WY US (ID: USC00480951) • 2.3 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 | 36.6 | 54.3 | 19.0 |
| 2011 | 34.4 | 52.1 | 16.7 |
| 2012 | 38.1 | 56.4 | 19.7 |
| 2013 | 36.2 | 53.7 | 18.8 |
| 2014 | 37.4 | 54.8 | 19.9 |
| 2015 | 38.6 | 56.7 | 20.6 |
| 2016 | 38.2 | 56.1 | 20.3 |
| 2017 | 37.2 | 54.6 | 19.8 |
| 2018 | 37.4 | 55.2 | 19.6 |
| 2019 | 33.6 | 51.0 | 16.2 |
| 2020 | 35.8 | 54.5 | 17.1 |
| 2021 | 38.3 | 56.5 | 20.1 |
| 2022 | 35.8 | 54.2 | 17.3 |
| 2023 | 34.6 | 51.6 | 17.6 |
| 2024 | 38.6 | 56.4 | 20.7 |
| 2025 | 39.4 | 56.8 | 22.0 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.