West Lafayette Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in West Lafayette, Indiana, based on NOAA data.
Also see:
What's the hottest day of the year in West Lafayette?
On average, July 19 is the hottest day of the year West Lafayette, Indiana. From 1991–2020, the average high temperature on July 19 was 85.1 °F and the average low was 64.2 °F.
What's the coldest day of the year in West Lafayette?
On average, January 28 is the coldest day of the year West Lafayette, Indiana. From 1991–2020, the average high temperature on January 28 was 34.6 °F, and the average low was 18.3 °F.
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 (°F)
High Low
January 1 36.5 21.4
January 2 36.4 21.2
January 3 36.2 21.1
January 4 36.0 20.8
January 5 35.7 20.5
January 6 35.5 20.2
January 7 35.2 20.0
January 8 35.3 19.9
January 9 35.3 20.0
January 10 35.2 19.9
January 11 35.0 19.7
January 12 34.9 19.5
January 13 34.8 19.3
January 14 34.7 19.1
January 15 34.6 19.0
January 16 34.5 18.8
January 17 34.5 18.8
January 18 34.4 18.8
January 19 34.5 18.7
January 20 34.6 18.8
January 21 34.7 18.7
January 22 34.7 18.7
January 23 34.8 18.7
January 24 34.8 18.8
January 25 34.8 18.7
January 26 34.7 18.5
January 27 34.6 18.3
January 28 34.6 18.3
January 29 34.6 18.4
January 30 34.8 18.4
January 31 35.0 18.6
February 1 35.1 18.7
February 2 35.4 18.9
February 3 35.6 19.1
February 4 35.9 19.3
February 5 36.3 19.6
February 6 36.6 19.8
February 7 36.8 20.0
February 8 37.1 20.3
February 9 37.4 20.6
February 10 37.6 20.8
February 11 37.9 21.0
February 12 38.0 21.2
February 13 38.3 21.3
February 14 38.6 21.5
February 15 38.9 21.8
February 16 39.2 22.0
February 17 39.3 22.1
February 18 39.5 22.3
February 19 39.9 22.6
February 20 40.3 23.0
February 21 40.7 23.4
February 22 41.1 23.7
February 23 41.6 24.0
February 24 42.0 24.3
February 25 42.3 24.6
February 26 42.8 24.9
February 27 43.3 25.4
February 28 43.9 25.8
March 1 44.4 26.2
March 2 44.9 26.5
March 3 45.4 26.9
March 4 45.8 27.3
March 5 46.2 27.6
March 6 46.6 28.0
March 7 46.8 28.3
March 8 47.1 28.4
March 9 47.6 28.6
March 10 48.0 28.9
March 11 48.4 29.3
March 12 48.7 29.6
March 13 49.3 30.0
March 14 49.7 30.4
March 15 50.1 30.8
March 16 50.6 31.1
March 17 51.2 31.5
March 18 51.8 32.0
March 19 52.4 32.5
March 20 52.9 32.8
March 21 53.3 33.1
March 22 53.6 33.2
March 23 53.9 33.5
March 24 54.3 33.9
March 25 54.8 34.2
March 26 55.3 34.6
March 27 55.7 35.0
March 28 56.2 35.3
March 29 56.5 35.6
March 30 56.8 35.9
March 31 57.3 36.2
April 1 57.7 36.6
April 2 58.1 36.9
April 3 58.5 37.2
April 4 59.1 37.6
April 5 59.6 38.0
April 6 60.1 38.4
April 7 60.4 38.8
April 8 60.7 39.0
April 9 61.2 39.2
April 10 61.6 39.5
April 11 62.0 39.9
April 12 62.3 40.2
April 13 62.6 40.4
April 14 62.8 40.6
April 15 63.0 40.8
April 16 63.4 41.2
April 17 63.7 41.5
April 18 63.9 41.8
April 19 64.2 42.2
April 20 64.6 42.7
April 21 65.0 43.0
April 22 65.4 43.3
April 23 65.9 43.7
April 24 66.3 44.1
April 25 66.7 44.6
April 26 67.0 44.9
April 27 67.5 45.2
April 28 67.8 45.5
April 29 68.0 45.8
April 30 68.2 45.9
May 1 68.5 46.2
May 2 68.7 46.5
May 3 68.9 46.9
May 4 69.1 47.1
May 5 69.3 47.3
May 6 69.7 47.6
May 7 70.0 48.0
May 8 70.4 48.4
May 9 70.8 48.7
May 10 71.2 48.9
May 11 71.5 49.3
May 12 71.9 49.7
May 13 72.3 50.2
May 14 72.8 50.6
May 15 73.2 50.9
May 16 73.6 51.2
May 17 73.9 51.6
May 18 74.3 51.9
May 19 74.6 52.2
May 20 74.8 52.5
May 21 74.9 52.8
May 22 75.1 53.0
May 23 75.4 53.3
May 24 75.7 53.5
May 25 75.9 53.8
May 26 76.2 54.2
May 27 76.6 54.6
May 28 77.0 55.2
May 29 77.4 55.7
May 30 77.8 56.0
May 31 78.2 56.3
June 1 78.5 56.6
June 2 78.9 57.0
June 3 79.2 57.4
June 4 79.6 57.8
June 5 80.0 58.2
June 6 80.2 58.5
June 7 80.5 58.9
June 8 80.7 59.2
June 9 81.0 59.5
June 10 81.3 59.8
June 11 81.6 60.0
June 12 81.8 60.3
June 13 81.9 60.5
June 14 82.1 60.7
June 15 82.3 60.9
June 16 82.5 61.1
June 17 82.7 61.3
June 18 82.9 61.5
June 19 83.2 61.7
June 20 83.4 62.0
June 21 83.5 62.3
June 22 83.7 62.4
June 23 83.8 62.6
June 24 83.9 62.7
June 25 84.0 62.7
June 26 84.1 62.8
June 27 84.1 62.8
June 28 84.2 62.9
June 29 84.3 63.0
June 30 84.4 63.1
July 1 84.4 63.2
July 2 84.5 63.2
July 3 84.5 63.3
July 4 84.6 63.5
July 5 84.7 63.6
July 6 84.8 63.8
July 7 84.8 63.9
July 8 84.8 64.0
July 9 84.9 64.0
July 10 84.9 64.1
July 11 84.9 64.0
July 12 84.9 64.1
July 13 84.9 64.2
July 14 85.0 64.2
July 15 85.0 64.2
July 16 85.0 64.3
July 17 85.0 64.3
July 18 85.1 64.3
July 19 85.1 64.2
July 20 85.1 64.2
July 21 85.1 64.2
July 22 85.0 64.1
July 23 85.0 64.1
July 24 84.9 64.0
July 25 85.0 64.0
July 26 85.0 64.0
July 27 85.0 64.0
July 28 84.9 64.0
July 29 84.8 63.9
July 30 84.7 63.9
July 31 84.6 63.8
August 1 84.5 63.6
August 2 84.4 63.5
August 3 84.3 63.4
August 4 84.2 63.3
August 5 84.1 63.2
August 6 84.0 63.0
August 7 83.9 62.9
August 8 83.9 62.8
August 9 83.9 62.8
August 10 83.9 62.7
August 11 83.9 62.6
August 12 83.9 62.6
August 13 83.9 62.6
August 14 84.0 62.6
August 15 84.0 62.6
August 16 83.8 62.6
August 17 83.7 62.5
August 18 83.5 62.4
August 19 83.5 62.3
August 20 83.5 62.2
August 21 83.5 62.1
August 22 83.4 61.9
August 23 83.3 61.7
August 24 83.3 61.6
August 25 83.1 61.4
August 26 83.0 61.2
August 27 82.8 61.1
August 28 82.7 60.8
August 29 82.6 60.6
August 30 82.5 60.4
August 31 82.4 60.2
September 1 82.1 59.9
September 2 81.9 59.6
September 3 81.8 59.3
September 4 81.7 59.0
September 5 81.6 58.8
September 6 81.5 58.6
September 7 81.2 58.3
September 8 81.0 58.0
September 9 80.7 57.6
September 10 80.3 57.2
September 11 79.9 56.8
September 12 79.6 56.4
September 13 79.2 56.0
September 14 78.9 55.6
September 15 78.6 55.1
September 16 78.3 54.7
September 17 77.9 54.2
September 18 77.6 53.9
September 19 77.2 53.6
September 20 76.8 53.3
September 21 76.4 52.9
September 22 76.1 52.5
September 23 75.8 52.1
September 24 75.5 51.7
September 25 75.2 51.4
September 26 74.8 51.0
September 27 74.5 50.6
September 28 74.1 50.2
September 29 73.7 49.9
September 30 73.4 49.5
October 1 73.0 49.1
October 2 72.5 48.8
October 3 71.9 48.4
October 4 71.4 47.9
October 5 70.8 47.4
October 6 70.3 47.0
October 7 69.9 46.6
October 8 69.5 46.3
October 9 69.1 46.0
October 10 68.6 45.6
October 11 68.1 45.2
October 12 67.6 44.9
October 13 67.1 44.5
October 14 66.6 44.2
October 15 66.1 43.9
October 16 65.7 43.7
October 17 65.2 43.4
October 18 64.7 43.0
October 19 64.3 42.6
October 20 63.7 42.2
October 21 63.2 41.9
October 22 62.6 41.6
October 23 62.1 41.2
October 24 61.5 40.8
October 25 61.0 40.4
October 26 60.6 40.1
October 27 60.1 39.8
October 28 59.6 39.4
October 29 59.0 38.9
October 30 58.4 38.5
October 31 58.0 38.2
November 1 57.5 37.9
November 2 57.0 37.6
November 3 56.5 37.3
November 4 56.1 37.1
November 5 55.6 36.8
November 6 55.2 36.5
November 7 54.7 36.2
November 8 54.2 35.8
November 9 53.8 35.5
November 10 53.3 35.0
November 11 53.0 34.7
November 12 52.6 34.5
November 13 52.2 34.2
November 14 51.7 33.8
November 15 51.3 33.5
November 16 51.0 33.3
November 17 50.5 33.0
November 18 50.2 32.7
November 19 49.7 32.5
November 20 49.3 32.2
November 21 48.8 31.8
November 22 48.3 31.5
November 23 47.7 31.1
November 24 47.1 30.8
November 25 46.6 30.4
November 26 46.1 30.0
November 27 45.8 29.8
November 28 45.4 29.5
November 29 45.1 29.3
November 30 44.8 29.2
December 1 44.6 28.9
December 2 44.3 28.6
December 3 43.8 28.3
December 4 43.3 27.9
December 5 42.8 27.5
December 6 42.4 27.1
December 7 42.2 26.9
December 8 41.8 26.7
December 9 41.6 26.5
December 10 41.2 26.2
December 11 40.7 25.8
December 12 40.4 25.4
December 13 40.2 25.2
December 14 39.9 24.9
December 15 39.5 24.7
December 16 39.3 24.5
December 17 39.1 24.4
December 18 38.8 24.0
December 19 38.6 23.7
December 20 38.4 23.6
December 21 38.2 23.4
December 22 38.1 23.2
December 23 37.9 23.0
December 24 37.7 22.8
December 25 37.5 22.6
December 26 37.4 22.5
December 27 37.3 22.3
December 28 37.2 22.3
December 29 37.1 22.1
December 30 36.9 22.0
December 31 36.7 21.7
Weather Station Details
Years Station Coordinates
1965–2024 Purdue University Airport location
1901–1964 West Lafayette 6 NW location
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