Lethbridge Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Lethbridge, Alberta, based on NOAA data.
What's the hottest day of the year in Lethbridge?
On average, July 26 is the hottest day of the year Lethbridge, Alberta. From 1991–2020, the average high temperature on July 26 was 26.7 °C and the average low was 10.0 °C.
What's the coldest day of the year in Lethbridge?
On average, January 4 is the coldest day of the year Lethbridge, Alberta. From 1991–2020, the average high temperature on January 4 was -1.3 °C, and the average low was -13.4 °C.
Average Temperature by Day
  • Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.
Day Average (°C)
High Low
January 1 -1.0 -13.1
January 2 -1.2 -13.3
January 3 -1.3 -13.4
January 4 -1.3 -13.4
January 5 -1.2 -13.3
January 6 -1.0 -13.2
January 7 -1.0 -13.1
January 8 -1.0 -13.1
January 9 -1.0 -13.1
January 10 -1.0 -13.1
January 11 -0.9 -13.1
January 12 -0.9 -13.0
January 13 -0.8 -12.9
January 14 -0.6 -12.8
January 15 -0.5 -12.7
January 16 -0.4 -12.5
January 17 -0.2 -12.3
January 18 -0.1 -12.2
January 19 0.0 -12.1
January 20 0.1 -12.0
January 21 0.2 -12.0
January 22 0.3 -11.9
January 23 0.4 -11.8
January 24 0.4 -11.8
January 25 0.4 -11.7
January 26 0.5 -11.6
January 27 0.5 -11.6
January 28 0.6 -11.6
January 29 0.7 -11.5
January 30 0.9 -11.3
January 31 1.0 -11.2
February 1 1.2 -11.1
February 2 1.3 -11.1
February 3 1.2 -11.2
February 4 1.2 -11.2
February 5 1.3 -11.1
February 6 1.3 -11.1
February 7 1.4 -11.0
February 8 1.5 -11.0
February 9 1.5 -11.0
February 10 1.5 -11.1
February 11 1.5 -11.2
February 12 1.4 -11.2
February 13 1.5 -11.1
February 14 1.5 -11.2
February 15 1.4 -11.3
February 16 1.5 -11.3
February 17 1.5 -11.3
February 18 1.5 -11.3
February 19 1.4 -11.4
February 20 1.3 -11.4
February 21 1.4 -11.4
February 22 1.5 -11.4
February 23 1.7 -11.3
February 24 1.9 -11.0
February 25 2.2 -10.8
February 26 2.5 -10.6
February 27 2.7 -10.4
February 28 2.8 -10.3
March 1 3.0 -10.1
March 2 3.1 -10.0
March 3 3.2 -9.9
March 4 3.5 -9.7
March 5 3.6 -9.5
March 6 3.8 -9.4
March 7 4.0 -9.3
March 8 4.2 -9.1
March 9 4.3 -9.0
March 10 4.5 -8.8
March 11 4.7 -8.5
March 12 5.0 -8.2
March 13 5.3 -7.9
March 14 5.5 -7.7
March 15 5.8 -7.4
March 16 6.1 -7.2
March 17 6.4 -6.9
March 18 6.6 -6.7
March 19 6.9 -6.5
March 20 7.2 -6.2
March 21 7.5 -6.0
March 22 7.7 -5.7
March 23 8.0 -5.4
March 24 8.2 -5.2
March 25 8.4 -5.1
March 26 8.6 -4.9
March 27 8.7 -4.9
March 28 8.8 -4.8
March 29 8.9 -4.6
March 30 9.1 -4.4
March 31 9.3 -4.3
April 1 9.4 -4.1
April 2 9.6 -4.0
April 3 9.8 -3.8
April 4 10.0 -3.7
April 5 10.2 -3.5
April 6 10.5 -3.3
April 7 10.9 -3.1
April 8 11.2 -2.9
April 9 11.4 -2.7
April 10 11.6 -2.6
April 11 11.8 -2.4
April 12 12.1 -2.3
April 13 12.2 -2.1
April 14 12.3 -2.0
April 15 12.4 -1.8
April 16 12.6 -1.7
April 17 12.8 -1.5
April 18 13.1 -1.3
April 19 13.3 -1.1
April 20 13.5 -0.9
April 21 13.8 -0.8
April 22 14.0 -0.5
April 23 14.1 -0.4
April 24 14.2 -0.2
April 25 14.3 0.0
April 26 14.5 0.1
April 27 14.7 0.2
April 28 14.9 0.3
April 29 15.1 0.4
April 30 15.4 0.6
May 1 15.6 0.9
May 2 15.9 1.0
May 3 16.1 1.2
May 4 16.2 1.4
May 5 16.3 1.6
May 6 16.4 1.8
May 7 16.4 1.9
May 8 16.5 2.1
May 9 16.7 2.2
May 10 16.8 2.4
May 11 17.0 2.5
May 12 17.2 2.7
May 13 17.3 2.9
May 14 17.5 3.1
May 15 17.7 3.3
May 16 17.9 3.5
May 17 18.1 3.7
May 18 18.3 3.9
May 19 18.4 4.1
May 20 18.6 4.3
May 21 18.8 4.4
May 22 19.0 4.6
May 23 19.1 4.8
May 24 19.3 4.9
May 25 19.4 5.1
May 26 19.5 5.3
May 27 19.6 5.5
May 28 19.7 5.7
May 29 19.8 5.8
May 30 19.8 5.9
May 31 19.8 6.1
June 1 19.9 6.1
June 2 20.0 6.3
June 3 20.0 6.4
June 4 20.1 6.5
June 5 20.3 6.6
June 6 20.5 6.7
June 7 20.6 6.8
June 8 20.8 7.0
June 9 20.9 7.1
June 10 21.0 7.2
June 11 21.1 7.3
June 12 21.2 7.4
June 13 21.3 7.5
June 14 21.5 7.6
June 15 21.6 7.7
June 16 21.6 7.8
June 17 21.8 7.9
June 18 21.8 8.0
June 19 21.9 8.1
June 20 22.1 8.1
June 21 22.3 8.2
June 22 22.4 8.3
June 23 22.6 8.4
June 24 22.7 8.5
June 25 22.9 8.6
June 26 23.1 8.6
June 27 23.3 8.8
June 28 23.5 8.8
June 29 23.7 8.9
June 30 23.9 9.0
July 1 24.1 9.1
July 2 24.2 9.1
July 3 24.4 9.2
July 4 24.6 9.3
July 5 24.7 9.4
July 6 24.8 9.4
July 7 24.9 9.5
July 8 25.1 9.5
July 9 25.3 9.6
July 10 25.4 9.7
July 11 25.5 9.7
July 12 25.6 9.8
July 13 25.7 9.8
July 14 25.9 9.8
July 15 26.0 9.8
July 16 26.2 9.8
July 17 26.3 9.9
July 18 26.4 9.9
July 19 26.4 9.9
July 20 26.5 10.0
July 21 26.5 10.0
July 22 26.6 10.0
July 23 26.7 10.0
July 24 26.7 10.1
July 25 26.7 10.1
July 26 26.7 10.0
July 27 26.7 10.0
July 28 26.7 10.0
July 29 26.7 10.0
July 30 26.7 10.0
July 31 26.8 10.0
August 1 26.7 10.0
August 2 26.7 9.9
August 3 26.7 9.9
August 4 26.7 9.9
August 5 26.7 9.9
August 6 26.7 9.8
August 7 26.7 9.7
August 8 26.7 9.6
August 9 26.6 9.6
August 10 26.5 9.5
August 11 26.5 9.4
August 12 26.4 9.3
August 13 26.3 9.2
August 14 26.2 9.2
August 15 26.2 9.1
August 16 26.2 9.0
August 17 26.1 8.9
August 18 26.0 8.8
August 19 26.0 8.7
August 20 25.9 8.6
August 21 25.7 8.5
August 22 25.5 8.3
August 23 25.4 8.2
August 24 25.3 8.1
August 25 25.1 8.0
August 26 25.0 7.8
August 27 24.8 7.7
August 28 24.6 7.6
August 29 24.4 7.4
August 30 24.2 7.3
August 31 24.0 7.1
September 1 23.8 7.0
September 2 23.6 6.8
September 3 23.4 6.6
September 4 23.1 6.5
September 5 22.8 6.4
September 6 22.5 6.2
September 7 22.3 6.0
September 8 22.1 5.8
September 9 21.9 5.7
September 10 21.8 5.6
September 11 21.6 5.4
September 12 21.5 5.3
September 13 21.2 5.1
September 14 21.0 5.0
September 15 20.9 4.9
September 16 20.7 4.7
September 17 20.4 4.5
September 18 20.1 4.3
September 19 19.8 4.0
September 20 19.6 3.9
September 21 19.3 3.7
September 22 19.1 3.5
September 23 18.9 3.4
September 24 18.7 3.2
September 25 18.5 3.0
September 26 18.2 2.9
September 27 17.8 2.7
September 28 17.6 2.5
September 29 17.4 2.3
September 30 17.1 2.1
October 1 16.9 1.9
October 2 16.7 1.8
October 3 16.5 1.6
October 4 16.3 1.4
October 5 16.2 1.3
October 6 16.1 1.2
October 7 15.9 1.0
October 8 15.6 0.9
October 9 15.3 0.7
October 10 15.0 0.5
October 11 14.7 0.2
October 12 14.4 0.0
October 13 14.1 -0.2
October 14 13.8 -0.4
October 15 13.4 -0.7
October 16 13.2 -0.9
October 17 13.0 -1.1
October 18 12.8 -1.2
October 19 12.5 -1.4
October 20 12.3 -1.5
October 21 12.1 -1.8
October 22 11.8 -2.0
October 23 11.5 -2.2
October 24 11.2 -2.4
October 25 10.9 -2.6
October 26 10.7 -2.9
October 27 10.4 -3.1
October 28 10.2 -3.4
October 29 9.9 -3.6
October 30 9.7 -3.8
October 31 9.5 -4.0
November 1 9.3 -4.1
November 2 9.0 -4.2
November 3 8.7 -4.5
November 4 8.4 -4.7
November 5 8.1 -5.0
November 6 7.8 -5.2
November 7 7.5 -5.4
November 8 7.2 -5.6
November 9 6.9 -5.8
November 10 6.6 -6.0
November 11 6.4 -6.2
November 12 6.1 -6.3
November 13 5.9 -6.4
November 14 5.7 -6.6
November 15 5.4 -6.8
November 16 5.3 -7.0
November 17 5.1 -7.1
November 18 4.9 -7.4
November 19 4.6 -7.5
November 20 4.4 -7.8
November 21 4.2 -8.0
November 22 4.0 -8.1
November 23 3.7 -8.4
November 24 3.5 -8.5
November 25 3.4 -8.6
November 26 3.3 -8.6
November 27 3.1 -8.8
November 28 2.9 -9.0
November 29 2.7 -9.2
November 30 2.4 -9.4
December 1 2.3 -9.6
December 2 2.1 -9.7
December 3 2.1 -9.8
December 4 2.1 -9.9
December 5 2.0 -9.9
December 6 1.9 -10.0
December 7 1.8 -10.1
December 8 1.5 -10.3
December 9 1.4 -10.5
December 10 1.3 -10.6
December 11 1.2 -10.7
December 12 1.1 -10.9
December 13 1.0 -10.9
December 14 0.9 -11.0
December 15 0.7 -11.2
December 16 0.5 -11.4
December 17 0.3 -11.6
December 18 0.3 -11.8
December 19 0.1 -11.8
December 20 0.1 -11.9
December 21 0.0 -11.9
December 22 -0.1 -12.0
December 23 0.0 -12.1
December 24 -0.2 -12.1
December 25 -0.2 -12.2
December 26 -0.3 -12.3
December 27 -0.4 -12.5
December 28 -0.5 -12.7
December 29 -0.6 -12.8
December 30 -0.7 -12.9
December 31 -0.8 -13.0
Weather Station Details
Years Station Coordinates
2011–2024 Lethbridge location
2006–2011 Lethbridge AWOS A location
1938–2005 Lethbridge A location