Lethbridge August Weather

Averages and records for weather in Lethbridge, Alberta in the month of August.
Typical Lethbridge August Weather
1991–2020
Average daily high 26.2 °C
Average daily low 9.0 °C
Average monthly precipitation 3.3 cm
Daily chance of precipitation 26.9%
Lethbridge August Weather Records
1938–2024
Highest temperature 40.5 °C August 10, 2018
Lowest temperature -1.0 °C August 25, 1992
Highest daily low 20.5 °C August 1, 1983
Lowest daily high 3.3 °C August 22, 1992
Hottest average high temperature 30.8 °C 1971
Coldest average high temperature 20.8 °C 1951
Most daily precipitation 7.1 cm August 16, 1993
Most monthly precipitation 14.1 cm 1978
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
August 1 26.7 10.0 35.8 3.9
August 2 26.7 9.9 36.1 4.8
August 3 26.7 9.9 38.9 4.7
August 4 26.7 9.9 35.0 4.1
August 5 26.7 9.9 38.3 3.7
August 6 26.7 9.8 37.4 3.8
August 7 26.7 9.7 35.6 4.4
August 8 26.7 9.6 36.1 4.9
August 9 26.6 9.6 37.0 2.8
August 10 26.5 9.5 40.5 0.6
August 11 26.5 9.4 36.8 -0.1
August 12 26.4 9.3 37.2 2.2
August 13 26.3 9.2 37.1 1.8
August 14 26.2 9.2 36.9 3.3
August 15 26.2 9.1 36.4 2.1
August 16 26.2 9.0 35.6 2.1
August 17 26.1 8.9 37.5 1.7
August 18 26.0 8.8 37.0 2.8
August 19 26.0 8.7 33.3 0.6
August 20 25.9 8.6 33.3 1.1
August 21 25.7 8.5 35.0 0.4
August 22 25.5 8.3 34.4 0.2
August 23 25.4 8.2 36.7 0.8
August 24 25.3 8.1 36.7 0.1
August 25 25.1 8.0 35.3 -1.0
August 26 25.0 7.8 35.9 2.1
August 27 24.8 7.7 35.6 2.8
August 28 24.6 7.6 34.4 0.4
August 29 24.4 7.4 34.1 1.1
August 30 24.2 7.3 35.7 0.0
August 31 24.0 7.1 36.5 0.4
Weather Station Details
Years Station Coordinates
2011–2024 Lethbridge location
2006–2011 Lethbridge AWOS A location
1938–2005 Lethbridge A location