Lethbridge May Weather

Averages and records for weather in Lethbridge, Alberta in the month of May.
Typical Lethbridge May Weather
1991–2020
Average daily high 17.9 °C
Average daily low 3.4 °C
Average monthly precipitation 5.7 cm
Daily chance of precipitation 38.9%
Lethbridge May Weather Records
1938–2024
Highest temperature 34.2 °C May 30, 1986
Lowest temperature -11.7 °C May 1, 1954
Highest daily low 16.6 °C May 31, 1986
Lowest daily high -0.6 °C May 1, 1954
Hottest average high temperature 23.0 °C 1958
Coldest average high temperature 13.7 °C 1955
Most daily precipitation 8.5 cm May 23, 1980
Most monthly precipitation 13.6 cm 1955
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
May 1 15.6 0.9 25.7 -11.7
May 2 15.9 1.0 27.8 -10.6
May 3 16.1 1.2 29.0 -7.8
May 4 16.2 1.4 28.9 -7.2
May 5 16.3 1.6 30.0 -6.1
May 6 16.4 1.8 30.8 -4.8
May 7 16.4 1.9 30.4 -6.1
May 8 16.5 2.1 29.6 -6.9
May 9 16.7 2.2 28.8 -6.8
May 10 16.8 2.4 30.6 -8.9
May 11 17.0 2.5 31.1 -6.1
May 12 17.2 2.7 28.9 -6.7
May 13 17.3 2.9 27.8 -5.6
May 14 17.5 3.1 31.1 -3.5
May 15 17.7 3.3 30.0 -4.6
May 16 17.9 3.5 31.6 -3.7
May 17 18.1 3.7 31.9 -3.3
May 18 18.3 3.9 31.0 -3.3
May 19 18.4 4.1 30.6 -6.2
May 20 18.6 4.3 29.4 -5.2
May 21 18.8 4.4 31.5 -3.5
May 22 19.0 4.6 30.1 -3.8
May 23 19.1 4.8 32.3 -2.8
May 24 19.3 4.9 32.9 -4.8
May 25 19.4 5.1 29.4 -0.6
May 26 19.5 5.3 32.8 -0.6
May 27 19.6 5.5 31.3 -1.6
May 28 19.7 5.7 32.7 -5.0
May 29 19.8 5.8 32.4 0.0
May 30 19.8 5.9 34.2 -2.2
May 31 19.8 6.1 31.4 -1.4
Weather Station Details
Years Station Coordinates
2011–2024 Lethbridge location
2006–2011 Lethbridge AWOS A location
1938–2005 Lethbridge A location