
San Isabel National Forest
- Annual mean
- 9.3 °C
- Warmest month
- July
- Wettest month
- July
Long-term normals for temperature, precipitation, wind, and daylight across twelve months
At the representative location for Great Sand Dunes National Park and Preserve, monthly mean temperatures range from -4.8 to 19.6 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.
Analyzing the annual spread of average thermal ranges and daily precipitation across twelve months
Comparing twelve months of average temperature bounds, average daily precipitation, relative humidity, and calculated daylight hours
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -4.8 °C-18.4° to 9.2° | 0.8 mm/day | 69.9% | 3.5 m/s | 9.7 hours |
| February | -2.9 °C-17.2° to 10.9° | 1 mm/day | 65.4% | 3.9 m/s | 10.6 hours |
| March | 1.3 °C-12.5° to 16.6° | 1.2 mm/day | 57.9% | 4 m/s | 11.8 hours |
| April | 5 °C-8.1° to 20.5° | 1.4 mm/day | 52.4% | 4.2 m/s | 13 hours |
| May | 10.8 °C-4.1° to 26° | 1.3 mm/day | 47.4% | 3.7 m/s | 14 hours |
| June | 17 °C2.7° to 31.1° | 0.9 mm/day | 40.7% | 3.4 m/s | 14.6 hours |
| July | 19.6 °C7.9° to 32.2° | 1.9 mm/day | 49.3% | 2.6 m/s | 14.3 hours |
| August | 18.2 °C7° to 30.6° | 1.9 mm/day | 53.1% | 2.5 m/s | 13.4 hours |
| September | 14 °C-0.3° to 28° | 1.2 mm/day | 50.4% | 2.9 m/s | 12.2 hours |
| October | 7 °C-7.5° to 23.2° | 1 mm/day | 51.3% | 3.3 m/s | 11 hours |
| November | 0.4 °C-12.9° to 16.2° | 0.9 mm/day | 58.1% | 3.4 m/s | 9.9 hours |
| December | -4.7 °C-18.9° to 9.3° | 0.9 mm/day | 68.4% | 3.5 m/s | 9.4 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Comparing seasonal temperature, wind, humidity, and daylight averages across the calendar year
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Examine monthly weather metrics and seasonal indicators across a diverse range of protected systems.








Explore the map, landscapes, and protection details for Great Sand Dunes National Park and Preserve.