Annual mean
Annual mean of daily highs
Annual mean of daily lows
New Castle town, Colorado
Official LSAD Designation: New Castle town • Census GEOID: 0853395
• Garfield County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for New Castle town.
Reference Weather Station: RIFLE 3ENE, CO US (ID: USC00057033)
• Located 10.6 miles from community center
• Elevation: 1,667.0 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 37.4° | 9.7° | 23.5° | 0.93" |
| February | 41.7° | 15.4° | 28.5° | 0.80" |
| March | 54.8° | 21.8° | 38.3° | 0.93" |
| April | 62.0° | 28.2° | 45.1° | 1.23" |
| May | 71.7° | 36.6° | 54.1° | 1.32" |
| June | 83.1° | 44.7° | 63.9° | 0.80" |
| July | 88.2° | 52.2° | 70.2° | 1.16" |
| August | 85.4° | 49.3° | 67.4° | 1.27" |
| September | 78.5° | 40.6° | 59.5° | 1.42" |
| October | 64.4° | 29.5° | 47.0° | 1.45" |
| November | 49.5° | 19.8° | 34.7° | 0.74" |
| December | 37.2° | 11.3° | 24.3° | 0.71" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station RIFLE 3ENE, CO US (ID: USC00057033) • 10.6 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 | 46.2 | 62.3 | 30.0 |
| 2011 | 45.1 | 61.4 | 28.8 |
| 2012 | 48.1 | 65.9 | 30.2 |
| 2013 | 44.9 | 60.9 | 28.9 |
| 2014 | 46.2 | 62.4 | 30.1 |
| 2015 | 47.0 | 63.7 | 30.4 |
| 2016 | 46.3 | 63.2 | 29.5 |
| 2017 | 48.8 | 65.5 | 32.0 |
| 2018 | 48.2 | 64.3 | 32.1 |
| 2019 | 46.1 | 61.8 | 30.4 |
| 2020 | 46.8 | 64.1 | 29.5 |
| 2021 | 48.0 | 64.2 | 31.9 |
| 2022 | 45.9 | 62.2 | 29.6 |
| 2023 | 46.0 | 62.2 | 29.8 |
| 2024 | 48.5 | 64.8 | 32.1 |
| 2025 | 49.0 | 65.8 | 32.1 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.