| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 33.7 | 10.9 | 67 | -25 | 0.5 | 7.6 |
| February | 38.7 | 15.8 | 63 | -22 | 0.4 | 6.0 |
| March | 48.6 | 23.7 | 72 | -9 | 0.9 | 8.8 |
| April | 56.0 | 29.3 | 78 | -6 | 1.2 | 8.5 |
| May | 65.9 | 38.2 | 89 | 15 | 1.2 | 1.7 |
| June | 77.4 | 47.2 | 96 | 25 | 0.7 | 0.1 |
| July | 80.9 | 51.8 | 94 | 36 | 2.0 | 0.0 |
| August | 78.2 | 49.9 | 90 | 33 | 1.9 | 0.0 |
| September | 71.9 | 43.7 | 87 | 22 | 1.3 | 0.0 |
| October | 59.7 | 32.7 | 80 | 0 | 0.9 | 2.7 |
| November | 45.7 | 21.5 | 67 | -12 | 0.5 | 6.4 |
| December | 34.4 | 11.6 | 61 | -19 | 0.5 | 7.3 |
| Entire year | 57.7 | 31.4 | 96 | -25 | 12.0 | 48.3 |
|
More Great Sand Dunes National Park Weather Records
1950–2024
|
||
|---|---|---|
| Highest daily low | 65 °F | July 28, 1976 |
| Lowest daily high | -4 °F | February 2, 2011 |
| Greatest daily range (Difference of high and low) |
58 °F | February 24, 1991 |
| Greatest difference in daily high over two conscutive days |
45 °F | Sep 8–9, 2020 |
| Most daily precipitation | 2.8 inches | July 28, 2007 |
| Most monthly precipitation | 5.8 inches | July 2022 |
| Most yearly precipitation | 20.1 inches | 1997 |
| Most yearly days with precipitation | 106 | 1997 |
| Earliest snow in season | September 10 | 2020 |
| Latest snow in season | June 14 | 2001 |
| Most daily snow | 18.5 inches | March 19, 2003 |
| Most monthly snow | 32.2 inches | March 2003 |
| Most yearly snow | 77.5 inches | 1997 |
| Most snow in a winter | 86.0 inches | 1991–1992 |
| Greatest snow accumulation | 24.0 inches | March 5, 1992 |
| Earliest freeze | September 3 | 1961 |
| Earliest day ≥ 70 °F | March 21 | 2004 |
| Earliest day ≥ 80 °F | May 8 | 1962 |
| Earliest day ≥ 90 °F | June 20 | 2016 |
| Latest freeze | June 27 | 2000 |
| Latest day ≥ 70 °F | October 30 | 2003 |
| Latest day ≥ 80 °F | October 5 | 1963 |
| Latest day ≥ 90 °F | August 18 | 2002 |
| Most days in a year < 0 °F | 26 | 1979 |
| Most days in a year < 32 °F | 209 | 1973 |
| Most days in a year ≥ 80 °F | 76 | 2018 |
| Most days in a year ≥ 90 °F | 8 | 1990 |
|
Great Sand Dunes National Park Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 11 days | Jul 29 – Aug 8, 2022 |
| Without precipitation | 62 days | Mar 20 – May 20, 1963 |
| With snow | 6 days | Jan 26–31, 1994 |
| High temperature at or below freezing |
23 days | Dec 24, 1974 – Jan 15, 1975 |
| High temperature ≥ 80 °F | 62 days | Jun 14 – Aug 14, 1980 |
| High temperature ≥ 90 °F | 7 days | Jun 24–30, 1990 |
| Years | Station | Coordinates |
|---|---|---|
| 1950–2024 | Great Sand Dunes Np & Preserve | location |