Annual mean
Annual mean of daily highs
Annual mean of daily lows
Grand Lake town, Colorado
Official LSAD Designation: Grand Lake town • Census GEOID: 0831715
• Grand County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Grand Lake town.
Reference Weather Station: GRAND LAKE 1 NW, CO US (ID: USC00053496)
• Located 1.4 miles from community center
• Elevation: 2,657.9 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 30.2° | 4.5° | 17.4° | 1.65" |
| February | 34.3° | 6.4° | 20.3° | 1.50" |
| March | 42.2° | 13.7° | 28.0° | 1.23" |
| April | 49.1° | 20.5° | 34.8° | 1.55" |
| May | 59.2° | 27.7° | 43.4° | 1.59" |
| June | 70.5° | 34.2° | 52.3° | 1.36" |
| July | 75.9° | 39.8° | 57.8° | 1.98" |
| August | 73.3° | 38.4° | 55.8° | 2.09" |
| September | 67.6° | 31.8° | 49.7° | 1.59" |
| October | 54.9° | 23.1° | 39.0° | 1.27" |
| November | 40.1° | 13.2° | 26.7° | 1.29" |
| December | 30.0° | 5.1° | 17.5° | 1.50" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station GRAND LAKE 1 NW, CO US (ID: USC00053496) • 1.4 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 | 37.4 | 53.0 | 21.8 |
| 2011 | 36.1 | 51.1 | 21.1 |
| 2012 | 39.2 | 55.7 | 22.7 |
| 2013 | 35.6 | 50.9 | 20.4 |
| 2014 | 37.4 | 52.0 | 22.8 |
| 2015 | 38.6 | 53.9 | 23.3 |
| 2016 | 38.0 | 53.6 | 22.4 |
| 2017 | 39.2 | 54.5 | 23.8 |
| 2018 | 37.9 | 53.8 | 22.0 |
| 2019 | 36.0 | 51.6 | 20.3 |
| 2020 | Unavailable | Unavailable | Unavailable |
| 2021 | 39.5 | 54.0 | 24.9 |
| 2022 | 37.1 | 52.2 | 22.1 |
| 2023 | Unavailable | Unavailable | Unavailable |
| 2024 | 40.3 | 55.3 | 25.3 |
| 2025 | Unavailable | Unavailable | Unavailable |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.