December is one of the cooler months of the year in Colorado Springs, with average highs near 3.6°C and lows around -8.5°C (mean -2.4°C). It is one of the drier months, averaging 14 mm of rainfall and 59% relative humidity across the period.
December is one of the cooler months of the year in Colorado Springs. Across 45 years of records, the warmest December in Colorado Springs was 2025 — when the month averaged 2.6°C — while the coldest was 1983 at -6.5°C. Typical December days reach 3.6°C with nights near -8.5°C. The long-term trend is warming, about 0.6°C per decade.
December is one of the drier months in Colorado Springs, averaging 14 mm of rainfall. The wettest December on record was 2006 with 41 mm, while the driest was 2002 at 4 mm.
Relative humidity in Colorado Springs during December averages 59%. The most humid December was 1983 at 72%, and the least humid was 2021 at 48%.
December receives about 2.4 kWh/m²/day of solar energy in Colorado Springs. The sunniest Decembers were 2001, 2017 and 2021, among others at 2.7 kWh/m²/day, and the cloudiest was 1987 at 2.1.
Average wind speed in Colorado Springs during December is 2.8 m/s. The windiest December was 2008 at 3.6 m/s, while the calmest was 1986 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -3.5°C | -2.6°C | -2.8°C | -2.3°C | -0.1°C | +3.4°C |
| Avg High | 2.5°C | 3.5°C | 3.2°C | 3.8°C | 6.1°C | +3.6°C |
| Avg Low | -9.5°C | -8.6°C | -8.9°C | -8.3°C | -6.2°C | +3.3°C |
| Avg Rain | 19 mm | 10 mm | 14 mm | 14 mm | 15 mm | -4 mm |
December temperatures in Colorado Springs have risen by about 3.9°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -24.4°C (1982) to a record high of 18.1°C (2021).
Rainfall in December is one of the drier months, averaging 14 mm, with a wettest year of 41 mm.
A quieter season to visit Colorado Springs
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Colorado Springs. That said, December — with days averaging 3.6°C and nights around -8.5°C (mean -2.4°C) and low rainfall (14 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🔥 | 9.3°C | 2.6°C | -4.0°C | 16.5°C | -12.6°C | 14 mm | 54% | 2.8 m/s | — |
| 2024 | 7.0°C | 1.1°C | -4.8°C | 12.3°C | -12.5°C | 8 mm | 52% | 2.2 m/s | 2.6 |
| 2023 | 5.0°C | -0.5°C | -6.0°C | 14.0°C | -13.7°C | 21 mm | 58% | 2.6 m/s | 2.4 |
| 2022 | 3.8°C | -2.4°C | -8.7°C | 11.5°C | -18.2°C | 20 mm | 57% | 2.9 m/s | 2.4 |
| 2021 | 7.7°C | 1.2°C | -5.2°C | 18.1°C | -11.5°C | 9 mm | 48% | 3.4 m/s | 2.7 |
| 2020 | 3.5°C | -2.5°C | -8.5°C | 13.7°C | -14.2°C | 16 mm | 54% | 2.9 m/s | 2.4 |
| 2019 | 4.1°C | -1.8°C | -7.7°C | 11.1°C | -17.4°C | 15 mm | 58% | 2.3 m/s | 2.4 |
| 2018 | 3.3°C | -2.8°C | -8.9°C | 9.3°C | -18.5°C | 9 mm | 57% | 2.5 m/s | 2.6 |
| 2017 | 6.1°C | -0.1°C | -6.4°C | 12.7°C | -13.2°C | 11 mm | 52% | 2.7 m/s | 2.7 |
| 2016 | 3.4°C | -3.0°C | -9.5°C | 10.2°C | -17.7°C | 18 mm | 59% | 3.2 m/s | 2.6 |
| 2015 | 2.5°C | -3.3°C | -9.1°C | 11.5°C | -16.0°C | 16 mm | 60% | 3 m/s | 2.4 |
| 2014 | 3.3°C | -2.1°C | -7.6°C | 12.7°C | -21.3°C | 13 mm | 63% | 2.3 m/s | 2.3 |
| 2013 | 3.1°C | -3.4°C | -9.8°C | 10.2°C | -20.9°C | 10 mm | 60% | 2.7 m/s | 2.5 |
| 2012 | 3.6°C | -2.5°C | -8.5°C | 14.9°C | -16.0°C | 11 mm | 56% | 2.6 m/s | 2.3 |
| 2011 | 2.5°C | -3.6°C | -9.6°C | 11.0°C | -18.9°C | 25 mm | 62% | 2.6 m/s | 2.4 |
| 2010 | 6.1°C | 0.0°C | -6.1°C | 11.5°C | -18.5°C | 10 mm | 61% | 2.6 m/s | 2.3 |
| 2009 | -0.1°C | -6.0°C | -11.9°C | 8.2°C | -20.2°C | 15 mm | 63% | 2.7 m/s | 2.3 |
| 2008 | 2.8°C | -3.4°C | -9.5°C | 12.0°C | -18.5°C | 16 mm | 62% | 3.6 m/s | 2.4 |
| 2007 | 1.1°C | -4.6°C | -10.4°C | 13.3°C | -19.6°C | 22 mm | 64% | 3.2 m/s | 2.2 |
| 2006 🌧️ | 2.8°C | -2.9°C | -8.6°C | 11.1°C | -16.9°C | 41 mm | 68% | 3 m/s | 2.2 |
| 2005 | 3.5°C | -2.8°C | -9.2°C | 12.6°C | -21.1°C | 10 mm | 57% | 2.9 m/s | 2.5 |
| 2004 | 4.8°C | -1.3°C | -7.4°C | 10.7°C | -19.9°C | 10 mm | 58% | 2.8 m/s | 2.6 |
| 2003 | 5.5°C | -0.8°C | -7.1°C | 12.0°C | -14.2°C | 8 mm | 52% | 3 m/s | 2.6 |
| 2002 | 4.1°C | -1.6°C | -7.3°C | 10.4°C | -14.9°C | 4 mm | 56% | 2.2 m/s | 2.5 |
| 2001 | 4.2°C | -2.0°C | -8.3°C | 10.4°C | -13.5°C | 7 mm | 53% | 2.8 m/s | 2.7 |
| 2000 | 3.4°C | -3.0°C | -9.3°C | 11.0°C | -15.8°C | 11 mm | 60% | 2.8 m/s | 2.5 |
| 1999 | 3.4°C | -2.1°C | -7.7°C | 11.3°C | -13.0°C | 17 mm | 57% | 2.8 m/s | 2.4 |
| 1998 | 4.8°C | -1.6°C | -8.0°C | 17.1°C | -19.4°C | 11 mm | 57% | 2.4 m/s | 2.4 |
| 1997 | 1.6°C | -3.8°C | -9.2°C | 9.9°C | -14.6°C | 17 mm | 66% | 2.8 m/s | 2.4 |
| 1996 | 3.2°C | -3.0°C | -9.2°C | 11.9°C | -22.8°C | 11 mm | 58% | 3.5 m/s | 2.5 |
| 1995 | 4.6°C | -1.1°C | -6.8°C | 13.5°C | -14.8°C | 8 mm | 59% | 2.3 m/s | 2.6 |
| 1994 | 5.6°C | -0.4°C | -6.5°C | 12.6°C | -15.1°C | 6 mm | 55% | 2.3 m/s | 2.5 |
| 1993 | 3.6°C | -2.6°C | -8.7°C | 10.2°C | -16.6°C | 9 mm | 55% | 2.9 m/s | 2.7 |
| 1992 | 2.3°C | -4.2°C | -10.7°C | 10.4°C | -16.8°C | 12 mm | 64% | 2.8 m/s | 2.3 |
| 1991 | 3.6°C | -2.3°C | -8.2°C | 10.2°C | -15.2°C | 7 mm | 65% | 2.6 m/s | 2.5 |
| 1990 | 1.8°C | -4.5°C | -10.7°C | 11.5°C | -22.5°C | 6 mm | 55% | 2.9 m/s | 2.4 |
| 1989 | 2.0°C | -4.1°C | -10.2°C | 13.1°C | -18.1°C | 17 mm | 60% | 2.7 m/s | 2.3 |
| 1988 | 2.9°C | -3.3°C | -9.6°C | 12.0°C | -18.1°C | 21 mm | 57% | 2.7 m/s | 2.4 |
| 1987 | 1.4°C | -4.1°C | -9.6°C | 12.6°C | -19.3°C | 26 mm | 65% | 2.9 m/s | 2.1 |
| 1986 | 3.1°C | -2.3°C | -7.8°C | 7.9°C | -17.0°C | 9 mm | 63% | 1.9 m/s | 2.5 |
| 1985 | 3.2°C | -3.1°C | -9.5°C | 10.0°C | -20.2°C | 13 mm | 63% | 2.9 m/s | 2.4 |
| 1984 | 3.8°C | -2.1°C | -8.0°C | 11.2°C | -14.1°C | 13 mm | 65% | 3.1 m/s | 2.3 |
| 1983 ❄️ | -0.6°C | -6.5°C | -12.4°C | 6.1°C | -22.6°C | 20 mm | 72% | 3 m/s | — |
| 1982 | 2.5°C | -3.7°C | -10.0°C | 11.2°C | -24.4°C | 27 mm | 64% | 3.1 m/s | — |
| 1981 | 4.3°C | -1.9°C | -8.1°C | 14.3°C | -20.3°C | 22 mm | 58% | 3.1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 3.6°C with lows near -8.5°C (mean -2.4°C), based on 45 years of NASA POWER data.
December averages 14 mm of rainfall in Colorado Springs, one of the drier months. The wettest on record was 41 mm in 2006.
The hottest December reached 18.1°C in 2021. The coldest dipped to -24.4°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 3.9°C. Daytime highs moved from 2.6°C to 6.6°C and overnight lows from -9.6°C to -5.7°C over the same span.
December is one of the cooler months of the year in Colorado Springs and one of the drier months, so plan for around 3.6°C daytime highs and -8.5°C at night.
Not quite — December is the 2nd coolest month in Colorado Springs, averaging -2.4°C.
For December in Colorado Springs, pack warm layers and a jacket for chilly mornings, with typical highs of 3.6°C and lows of -8.5°C.
Relative humidity in December averages 59% — moderately humid.
Average wind speed in December is 2.8 m/s. The windiest December on record averaged 3.6 m/s (2008).
The wettest December on record was 2006 with 41 mm. On average, December sees 14 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Colorado Springs behaves each December, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for December specifically, along with year-by-year records and how the month has changed over the decades.
