Climate Comfort Score
44/100
Moderate
NOAA 1991–2020 normals 43°F annual avg Public-domain federal data
Aspen Pitkin CO, CO Climate
Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →
- 43°F
- Avg annual temp
- 44/100
- Comfort score
- 14.9"
- Annual precip
- 115d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Aspen Pitkin CO
Aspen Pitkin CO, Colorado averages 43°F a year and scores 44/100 on the comfort index - moderate, milder than 8% of U.S. cities.
- 43°F
- average temperature, NOAA 1991-2020 normal
- 44/100
- comfort score, milder than 8% of U.S. cities
- 14.9"
- precipitation, annual total
- 115 days
- frost-free growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
43°F (6°C)
Avg High
57°F
Avg Low
28°F
Annual Precip
14.9"
Comfort Score
44/100
Moderate
Avg Annual Temperature
43°F
30-year mean (NOAA NCEI)
Annual Precipitation
14.9"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Aspen Pitkin CO) 44.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Aspen Pitkin CO area.
How Aspen Pitkin CO compares to every U.S. city
Aspen Pitkin CO's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
44 Top 92% higher than 8% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Aspen Pitkin CO
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Aspen Pitkin CO's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs warmer than the 30-year mean.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 35°F (1°C) | 9°F (-13°C) | 22°F (-6°C) | 1.1" | 31.0 | 0.0 |
| February | 38°F (3°C) | 12°F (-11°C) | 25°F (-4°C) | 0.9" | 27.9 | 0.0 |
| March | 46°F (8°C) | 21°F (-6°C) | 34°F (1°C) | 1.0" | 29.9 | 0.0 |
| April | 55°F (13°C) | 28°F (-2°C) | 41°F (5°C) | 1.8" | 24.5 | 0.0 |
| May | 65°F (18°C) | 35°F (2°C) | 50°F (10°C) | 1.5" | 11.6 | 0.0 |
| June | 77°F (25°C) | 42°F (6°C) | 60°F (15°C) | 0.9" | 1.4 | 0.3 |
| July | 82°F (28°C) | 48°F (9°C) | 65°F (18°C) | 1.6" | 0.0 | 1.3 |
| August | 80°F (26°C) | 47°F (8°C) | 63°F (17°C) | 1.5" | 0.0 | 0.2 |
| September | 72°F (22°C) | 40°F (4°C) | 56°F (13°C) | 1.4" | 3.8 | 0.0 |
| October | 60°F (15°C) | 29°F (-2°C) | 44°F (7°C) | 1.3" | 21.7 | 0.0 |
| November | 45°F (7°C) | 19°F (-7°C) | 32°F (0°C) | 1.0" | 29.1 | 0.0 |
| December | 34°F (1°C) | 9°F (-13°C) | 22°F (-6°C) | 0.8" | 31.0 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 1.1"
10.6 days with precipitation
February 0.9"
10.9 days with precipitation
March 1.0"
10.4 days with precipitation
April 1.8"
11.7 days with precipitation
May 1.5"
10.0 days with precipitation
June 0.9"
5.8 days with precipitation
July 1.6"
12.0 days with precipitation
August 1.5"
11.7 days with precipitation
September 1.4"
8.8 days with precipitation
October 1.3"
8.7 days with precipitation
November 1.0"
8.5 days with precipitation
December 0.8"
11.0 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
September 23
50% probability date
Last Spring Freeze
May 31
50% probability date
Growing Season
115 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
8,142
Higher = more heating needed
Cooling Degree Days
90
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Aspen Pitkin CO's climate means for you
Aspen Pitkin CO runs 43°F a year - peaking in July, coldest in January.
- Gardeners get about 115 frost-free days, with the last spring freeze near May 31 - plan the planting calendar around it, not the regional average.
- Energy bills track 8,142 heating and 90 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Aspen Pitkin CO, CO
The NOAA 1991–2020 climate normals describe Aspen Pitkin CO, Colorado as a location with an annual average temperature of 43°F, ranging from a mean daily high of 57°F to a mean daily low of 28°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USW00093073, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Aspen Pitkin CO receives roughly 14.9 inches of precipitation each year, predominantly as rainfall. The frost-free season averages 115 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 31 and the first fall freeze near September 23. For energy use, 8,142 heating degree days and 90 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Aspen Pitkin CO scores 44/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Frequently Asked Questions
What is the average temperature in Aspen Pitkin CO, CO? ▼
The average annual temperature in Aspen Pitkin CO, Colorado is 43°F. The warmest month averages 82°F (28°C) and the coldest averages 9°F (-13°C).
How much rain does Aspen Pitkin CO get? ▼
Aspen Pitkin CO receives 14.9 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Aspen Pitkin CO? ▼
Aspen Pitkin CO has a climate comfort score of 44/100 (Moderate), milder than 8% of U.S. cities in the PlainClimate database.
When is the growing season in Aspen Pitkin CO? ▼
Aspen Pitkin CO has approximately 115 frost-free days per year, with the last spring freeze around May 31 and the first fall freeze around September 23.
How much energy does heating and cooling require in Aspen Pitkin CO? ▼
Aspen Pitkin CO has 8,142 heating degree days and 90 cooling degree days annually, a heating-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Aspen Pitkin CO climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00093073 near Aspen Pitkin CO.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00093073. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.