Great Sand Dunes National Park Rainfall Forecast

Today 17 Aug
10%
Mon 18 Aug
10%
Tue 19 Aug
15%
Wed 20 Aug
10%
Thu 21 Aug
10%
Fri 22 Aug
35%
Sat 23 Aug
60%

Great Sand Dunes National Park Rainfall Statistics

August Rainfall

San Luis Valley Regional Airport (23 miles)

Total Rainfall 2025
4.6in
Daily Average 2025
0.02in
Wettest Day 5 May, 2025
0.5in
Wet Days 2025
37/229 (16%)
Total Rainfall July
0.7in
Daily Average July
0.02in
Wettest Day 18 July, 2025
0.3in
Wet Days July
7/31 (23%)
Total Rainfall August
0.03in
Daily Average August
0in
Wettest Day 1 August, 2025
0.03in
Wet Days August
1/17 (6%)

Climate (2010–Present)

San Luis Valley Regional Airport (23 miles)

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Annual Average 2020–2024
7.3in
Monthly Average 2020–2025
0.6in
Daily Average 2020–2025
0.02in
Wettest Day 22 August, 2022
1.6in

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