Butte May Weather

Averages and records for weather in Butte, Montana in the month of May.
Typical Butte May Weather
1991–2020
Average daily high 61.0 °F
Average daily low 34.4 °F
Average monthly precipitation 2.0 inches
Daily chance of precipitation 42.0%
Butte May Weather Records
1894–2024
Highest temperature 90 °F May 28, 1919
Lowest temperature 9 °F May 1, 1975
Highest daily low 58 °F May 5, 1911
Lowest daily high 30 °F May 21, 2021
Hottest average high temperature 72.2 °F 1934
Coldest average high temperature 51.1 °F 1975
Most daily precipitation 2.5 inches May 28, 1927
Most monthly precipitation 5.8 inches 1927
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 56.4 30.0 80 9
May 2 56.7 30.3 82 11
May 3 57.1 30.6 81 18
May 4 57.4 30.9 83 15
May 5 57.8 31.3 82 15
May 6 58.0 31.6 82 16
May 7 58.2 31.9 82 16
May 8 58.5 32.0 81 9
May 9 58.7 32.2 79 16
May 10 58.9 32.5 81 18
May 11 59.3 32.8 81 15
May 12 59.5 33.1 82 16
May 13 59.9 33.5 84 18
May 14 60.3 33.8 88 18
May 15 60.7 34.1 83 21
May 16 61.1 34.4 84 21
May 17 61.5 34.8 82 16
May 18 61.8 35.1 84 21
May 19 62.1 35.5 85 22
May 20 62.4 35.8 83 23
May 21 62.7 36.1 84 12
May 22 63.1 36.3 83 19
May 23 63.4 36.7 84 19
May 24 63.7 36.9 84 20
May 25 63.9 37.2 85 20
May 26 64.1 37.5 83 22
May 27 64.2 37.8 87 25
May 28 64.4 38.0 90 21
May 29 64.6 38.2 87 21
May 30 64.8 38.3 87 24
May 31 64.9 38.4 84 24
Weather Station Details
Years Station Coordinates
1894–2024 Butte Bert Mooney Airport location