Annual mean
Annual mean of daily highs
Annual mean of daily lows
Johnstown town, Colorado
Official LSAD Designation: Johnstown town • Census GEOID: 0839855
• Larimer County / Weld County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Johnstown town.
Reference Weather Station: LOVELAND 2N, CO US (ID: USC00055236)
• Located 12.7 miles from community center
• Elevation: 1,548.4 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 43.9° | 12.9° | 28.4° | 0.52" |
| February | 46.2° | 15.4° | 30.8° | 0.62" |
| March | 56.1° | 23.0° | 39.5° | 1.28" |
| April | 62.4° | 30.6° | 46.5° | 2.18" |
| May | 71.0° | 39.8° | 55.4° | 2.68" |
| June | 82.7° | 49.2° | 66.0° | 1.63" |
| July | 88.6° | 55.1° | 71.9° | 1.47" |
| August | 86.7° | 52.9° | 69.8° | 1.29" |
| September | 78.9° | 44.2° | 61.5° | 1.36" |
| October | 65.2° | 32.2° | 48.7° | 1.18" |
| November | 52.8° | 21.1° | 37.0° | 0.81" |
| December | 43.6° | 13.4° | 28.5° | 0.58" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station LOVELAND 2N, CO US (ID: USC00055236) • 12.7 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 | 48.6 | 64.5 | 32.7 |
| 2011 | 48.1 | 64.2 | 32.0 |
| 2012 | 51.0 | 68.0 | 34.0 |
| 2013 | 47.7 | 63.8 | 31.7 |
| 2014 | 48.3 | 64.4 | 32.3 |
| 2015 | 50.1 | 65.6 | 34.5 |
| 2016 | 50.3 | 67.0 | 33.5 |
| 2017 | 50.5 | 66.8 | 34.2 |
| 2018 | 49.4 | 65.8 | 33.0 |
| 2019 | 47.5 | 63.4 | 31.6 |
| 2020 | 49.5 | 66.3 | 32.6 |
| 2021 | 49.8 | 66.2 | 33.4 |
| 2022 | 48.8 | 65.8 | 31.8 |
| 2023 | 49.0 | 64.8 | 33.3 |
| 2024 | 51.5 | 68.2 | 34.9 |
| 2025 | 51.2 | 68.1 | 34.2 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.