Great Sand Dunes National Park (CO) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Great Sand Dunes National Park.
Climate overview of Great Sand Dunes National Park
The climate in Great Sand Dunes National Park, Colorado, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to 0°C (32°F) in January.
The city has a relatively dry climate, receiving around 282 mm (11 in) of rain/snowfall per year. It does experience a distinct dry season from September to June. July is the wettest month and January the driest.
Great Sand Dunes National Park Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Great Sand Dunes National Park — and find the best time to visit.
Monthly Temperature in Great Sand Dunes National Park
In Great Sand Dunes National Park, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold 0°C (32°F) in January.
Nighttime temperatures range from 11°C (52°F) in July to -13°C (9°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Great Sand Dunes National Park
Great Sand Dunes National Park typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 282 mm (11 in). The seasons in Great Sand Dunes National Park bring significant changes in precipitation. The wettest month, July, receives moderate rainfall, with an average of 49 mm (1.9 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, January, experiences much less snowfall, totaling 8.3 mm (0.3 in) over 4 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Great Sand Dunes National Park Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Great Sand Dunes National Park
Frequently asked questions about the climate in Great Sand Dunes National Park
What is the best time to visit Great Sand Dunes National Park?
May, June, July, August and September typically offer the most optimal weather in Great Sand Dunes National Park. In contrast, January, February and December tend to have less optimal conditions. Great Sand Dunes National Park has a distinct dry season from September to June.
What temperatures can I expect in Great Sand Dunes National Park?
Daytime highs range from 0°C (32°F) in January to 27°C (81°F) in July. Nighttime lows range from -13°C (9°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Great Sand Dunes National Park get?
Annual rainfall is around 282 mm (11 in). July is the wettest month with 49 mm (1.9 in), while January is the driest with 8.3 mm (0.3 in).
Great Sand Dunes National Park 3-Day Forecast
Great Sand Dunes National Park (CO) 3-Day Forecast
Great Sand Dunes National Park on the map
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