Twin Falls May Weather

Averages and records for weather in Twin Falls, Idaho in the month of May.
Typical Twin Falls May Weather
1991–2020
Average daily high 69.1 °F
Average daily low 43.1 °F
Average monthly precipitation 1.5 inches
Daily chance of precipitation 28.7%
Twin Falls May Weather Records
1925–2024
Highest temperature 100 °F May 28, 2003
Lowest temperature 22 °F May 1, 1972
Highest daily low 66 °F May 29, 2003
Lowest daily high 35 °F May 7, 1930
Hottest average high temperature 80.4 °F 1958
Coldest average high temperature 61.2 °F 1977
Most daily precipitation 1.6 inches May 7, 1995
Most monthly precipitation 4.1 inches 1995
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 64.3 39.0 85 22
May 2 64.7 39.2 93 27
May 3 65.0 39.5 91 24
May 4 65.4 39.9 90 28
May 5 65.7 40.1 90 23
May 6 65.9 40.4 94 27
May 7 66.1 40.6 87 26
May 8 66.3 40.8 90 24
May 9 66.7 41.0 84 24
May 10 67.0 41.2 90 24
May 11 67.4 41.5 92 27
May 12 67.6 41.8 94 25
May 13 67.9 42.1 92 28
May 14 68.3 42.5 91 29
May 15 68.7 42.8 90 29
May 16 69.1 43.1 92 31
May 17 69.5 43.4 90 29
May 18 69.8 43.7 93 28
May 19 70.1 44.0 90 26
May 20 70.4 44.3 97 27
May 21 70.8 44.6 96 30
May 22 71.3 44.9 91 29
May 23 71.5 45.1 91 26
May 24 71.8 45.4 93 35
May 25 72.1 45.6 97 29
May 26 72.3 45.9 92 30
May 27 72.4 46.0 93 32
May 28 72.6 46.2 100 30
May 29 72.8 46.4 94 32
May 30 73.0 46.5 94 33
May 31 73.2 46.7 90 32
Weather Station Details
Years Station Coordinates
1998–2024 Magic Valley Regional Airport location
1977–1997 Twin Falls 6 E location
1925–1976 Twin Falls 3 SE location