Great Sand Dunes National Park Rainfall Forecast

Today 18 May
15%
Mon 19 May
50%
Tue 20 May
15%
Wed 21 May
No Rain
Thu 22 May
No Rain
Fri 23 May
No Rain
Sat 24 May
5%

Great Sand Dunes National Park Rainfall Statistics

May Rainfall

San Luis Valley Regional Airport (23 miles)

Total Rainfall 2025
2.6in
Daily Average 2025
0.02in
Wettest Day 5 May, 2025
0.5in
Wet Days 2025
18/138 (13%)
Total Rainfall April
0.6in
Daily Average April
0.02in
Wettest Day 19 April, 2025
0.3in
Wet Days April
5/30 (17%)
Total Rainfall May
1.4in
Daily Average May
0.1in
Wettest Day 5 May, 2025
0.5in
Wet Days May
6/18 (33%)

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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