| Month | Average (°F) | Record (°F) | Average (inches) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 33.6 | 8.2 | 58 | -37 | 1.3 |
| February | 37.1 | 11.4 | 60 | -30 | 1.4 |
| March | 45.5 | 20.0 | 70 | -26 | 1.6 |
| April | 53.1 | 26.9 | 79 | -10 | 2.1 |
| May | 63.5 | 34.2 | 86 | 14 | 1.7 |
| June | 74.9 | 41.4 | 93 | 15 | 1.0 |
| July | 80.3 | 47.4 | 94 | 29 | 1.7 |
| August | 77.4 | 46.4 | 92 | 27 | 1.5 |
| September | 70.5 | 39.1 | 89 | 15 | 1.5 |
| October | 58.0 | 28.6 | 85 | -5 | 1.5 |
| November | 44.1 | 18.2 | 69 | -19 | 1.3 |
| December | 33.1 | 8.2 | 62 | -23 | 1.0 |
| Entire year | 56.2 | 27.7 | 94 | -37 | 17.1 |
|
More Aspen Weather Records
1899–2024
|
||
|---|---|---|
| Highest daily low | 62 °F | July 23, 2014 |
| Lowest daily high | -5 °F | January 12, 1963 |
| Greatest daily range (Difference of high and low) |
78 °F | January 19, 1943 |
| Greatest difference in daily high over two conscutive days |
38 °F | Oct 25–26, 2020 |
| Most daily precipitation | 2.4 inches | June 7, 1984 |
| Most monthly precipitation | 7.4 inches | February 1936 |
| Most yearly precipitation | 32.9 inches | 1984 |
| Most yearly days with precipitation | 156 | 1983 |
| Earliest freeze | August 16 | 1978 |
| Earliest day ≥ 70 °F | March 21 | 1959 |
| Earliest day ≥ 80 °F | May 18 | 2020 |
| Earliest day ≥ 90 °F | June 11 | 1959 |
| Latest freeze | July 8 | 1955 |
| Latest day ≥ 70 °F | October 30 | 1950 |
| Latest day ≥ 80 °F | October 27 | 1942 |
| Latest day ≥ 90 °F | August 19 | 2020 |
| Most days in a year < 0 °F | 44 | 1942 |
| Most days in a year < 32 °F | 241 | 1946 |
| Most days in a year ≥ 80 °F | 82 | 2018 |
| Most days in a year ≥ 90 °F | 11 | 2003 |
|
Aspen Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 20 days | Jul 13 – Aug 1, 1999 |
| Without precipitation | 44 days | Sep 11 – Oct 24, 2020 |
| High temperature at or below freezing |
18 days | Dec 18, 2014 – Jan 4, 2015 |
| High temperature ≥ 80 °F | 48 days | Jun 28 – Aug 14, 2003 |
| High temperature ≥ 90 °F | 4 days | Jun 14–17, 2021 |