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Great Sand Dunes National Park May Weather

Averages and records for weather in Great Sand Dunes National Park, Colorado in the month of May.
Typical Great Sand Dunes National Park May Weather
1991–2020
Average daily high 65.9 °F
Average daily low 38.2 °F
Average monthly precipitation 1.2 inches
Average monthly snow 1.6 inches
Great Sand Dunes National Park May Weather Records
1950–2022
Highest temperature 89 °F May 24, 2000
Lowest temperature 15 °F May 1, 2016
Highest daily low 58 °F May 28, 1989
Lowest daily high 32 °F May 10, 2019
Hottest average temperature 5.4 °F
above average
1996
Coldest average temperature -5.6 °F
below average
2019
Most daily precipitation 1.9 inches May 18, 1955
Most monthly precipitation 3.8 inches 1957
Most daily snow 10.0 inches May 2, 1999
Most monthly snow 17.5 inches 1999
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
May 1 60.5 33.2 78 15
May 2 60.9 33.6 75 15
May 3 61.3 33.9 75 17
May 4 61.7 34.3 76 23
May 5 62.1 34.6 78 24
May 6 62.5 34.9 79 16
May 7 62.8 35.2 77 18
May 8 63.2 35.5 80 19
May 9 63.5 35.8 80 20
May 10 63.9 36.1 76 23
May 11 64.1 36.4 78 17
May 12 64.5 36.7 79 24
May 13 64.8 36.9 80 22
May 14 65.2 37.3 82 22
May 15 65.6 37.6 79 21
May 16 66.0 38.0 81 26
May 17 66.5 38.4 82 22
May 18 67.0 38.8 80 22
May 19 67.5 39.2 82 21
May 20 67.9 39.6 81 24
May 21 68.2 39.9 83 22
May 22 68.5 40.2 83 21
May 23 68.9 40.5 84 27
May 24 69.3 40.9 89 25
May 25 69.8 41.2 81 26
May 26 70.2 41.5 81 28
May 27 70.5 41.8 79 30
May 28 70.9 42.0 81 27
May 29 71.2 42.3 82 30
May 30 71.5 42.6 87 31
May 31 71.8 42.8 86 29
Weather Station Details
Years Station Coordinates
1950–2022 Great Sand Dunes Np & Preserve location