Great Sand Dunes National Park Rainfall Forecast

Today 16 Aug
10%
Mon 17 Aug
5%
Tue 18 Aug
5%
Wed 19 Aug
25%
Thu 20 Aug
45%
Fri 21 Aug
45%
Sat 22 Aug
35%

Great Sand Dunes National Park Rainfall Statistics

August Rainfall

San Luis Valley Regional Airport (23 miles)

Total Rainfall 2026
1.7in
Daily Average 2026
0.01in
Wettest Day 9 January, 2026
0.3in
Wet Days 2026
22/228 (10%)
Total Rainfall July
0.5in
Daily Average July
0.02in
Wettest Day 23 July, 2026
0.2in
Wet Days July
5/31 (16%)
Total Rainfall August
0.1in
Daily Average August
0.01in
Wettest Day 14 August, 2026
0.1in
Wet Days August
2/16 (13%)

Climate (2021–2025)

San Luis Valley Regional Airport (23 miles)

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Annual Average 2021–2025
7.9in
Monthly Average 2021–2026
0.6in
Daily Average 2021–2026
0.02in
Wettest Day 22 August, 2022
1.6in

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