Grand Junction Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Grand Junction, Colorado, based on NOAA data.
Also see:
What's the hottest day of the year in Grand Junction?
On average, July 20 is the hottest day of the year Grand Junction, Colorado. From 1991–2020, the average high temperature on July 20 was 94.2 °F and the average low was 64.4 °F.
What's the coldest day of the year in Grand Junction?
On average, January 4 is the coldest day of the year Grand Junction, Colorado. From 1991–2020, the average high temperature on January 4 was 36.0 °F, and the average low was 15.9 °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 36.0 16.0
January 2 36.0 16.0
January 3 36.0 15.9
January 4 36.0 15.9
January 5 36.1 15.9
January 6 36.2 16.0
January 7 36.3 16.1
January 8 36.5 16.3
January 9 36.5 16.3
January 10 36.6 16.5
January 11 36.8 16.7
January 12 37.0 16.9
January 13 37.2 17.1
January 14 37.4 17.2
January 15 37.6 17.4
January 16 37.8 17.6
January 17 38.0 17.9
January 18 38.2 18.0
January 19 38.4 18.2
January 20 38.7 18.4
January 21 39.0 18.6
January 22 39.3 18.8
January 23 39.6 19.0
January 24 39.8 19.2
January 25 40.1 19.4
January 26 40.3 19.6
January 27 40.6 19.8
January 28 40.9 20.0
January 29 41.1 20.3
January 30 41.3 20.5
January 31 41.7 20.8
February 1 42.1 21.2
February 2 42.4 21.5
February 3 42.7 21.7
February 4 43.0 22.0
February 5 43.3 22.3
February 6 43.6 22.5
February 7 43.9 22.8
February 8 44.2 23.1
February 9 44.5 23.3
February 10 44.8 23.4
February 11 45.0 23.6
February 12 45.3 23.7
February 13 45.6 24.0
February 14 45.9 24.2
February 15 46.3 24.5
February 16 46.6 24.7
February 17 47.1 25.1
February 18 47.5 25.4
February 19 47.8 25.7
February 20 48.2 25.9
February 21 48.6 26.3
February 22 48.9 26.5
February 23 49.3 26.7
February 24 49.7 26.9
February 25 50.1 27.2
February 26 50.6 27.5
February 27 51.2 27.8
February 28 51.7 28.1
March 1 52.1 28.3
March 2 52.6 28.6
March 3 53.1 28.9
March 4 53.4 29.1
March 5 53.8 29.3
March 6 54.2 29.5
March 7 54.7 29.8
March 8 55.2 30.1
March 9 55.6 30.4
March 10 56.0 30.6
March 11 56.4 31.0
March 12 56.9 31.3
March 13 57.2 31.5
March 14 57.5 31.7
March 15 57.8 31.8
March 16 58.1 32.0
March 17 58.5 32.2
March 18 58.8 32.5
March 19 59.1 32.7
March 20 59.4 32.9
March 21 59.6 33.1
March 22 60.0 33.4
March 23 60.2 33.6
March 24 60.5 33.9
March 25 60.8 34.2
March 26 61.0 34.3
March 27 61.1 34.5
March 28 61.3 34.6
March 29 61.4 34.8
March 30 61.6 35.0
March 31 61.7 35.1
April 1 61.7 35.2
April 2 62.0 35.4
April 3 62.2 35.6
April 4 62.4 35.8
April 5 62.5 35.9
April 6 62.7 36.1
April 7 62.9 36.2
April 8 63.2 36.4
April 9 63.5 36.7
April 10 63.7 36.9
April 11 64.1 37.1
April 12 64.4 37.4
April 13 64.8 37.7
April 14 65.1 38.0
April 15 65.3 38.2
April 16 65.5 38.4
April 17 65.8 38.5
April 18 66.1 38.7
April 19 66.4 38.9
April 20 66.7 39.1
April 21 67.1 39.4
April 22 67.5 39.7
April 23 67.7 40.0
April 24 68.1 40.2
April 25 68.4 40.5
April 26 68.8 40.8
April 27 69.1 41.0
April 28 69.5 41.3
April 29 69.8 41.6
April 30 70.4 41.9
May 1 70.8 42.4
May 2 71.3 42.8
May 3 71.7 43.2
May 4 72.1 43.6
May 5 72.5 43.9
May 6 72.9 44.3
May 7 73.3 44.6
May 8 73.6 44.9
May 9 73.9 45.2
May 10 74.1 45.4
May 11 74.5 45.7
May 12 74.8 46.1
May 13 75.2 46.3
May 14 75.6 46.7
May 15 76.0 47.1
May 16 76.5 47.5
May 17 77.0 47.9
May 18 77.5 48.3
May 19 77.9 48.7
May 20 78.3 49.0
May 21 78.7 49.2
May 22 79.1 49.5
May 23 79.6 49.9
May 24 80.1 50.3
May 25 80.5 50.6
May 26 80.9 51.0
May 27 81.3 51.3
May 28 81.6 51.6
May 29 81.9 51.8
May 30 82.1 52.0
May 31 82.5 52.2
June 1 82.8 52.4
June 2 83.2 52.7
June 3 83.5 53.0
June 4 83.8 53.2
June 5 84.3 53.5
June 6 84.8 53.7
June 7 85.3 54.1
June 8 85.8 54.5
June 9 86.4 54.9
June 10 86.8 55.2
June 11 87.2 55.6
June 12 87.6 55.9
June 13 88.0 56.2
June 14 88.4 56.5
June 15 88.7 56.9
June 16 89.0 57.2
June 17 89.3 57.4
June 18 89.6 57.8
June 19 89.8 58.1
June 20 90.1 58.4
June 21 90.4 58.7
June 22 90.7 59.0
June 23 91.0 59.3
June 24 91.3 59.7
June 25 91.6 60.0
June 26 91.9 60.3
June 27 92.2 60.6
June 28 92.5 60.8
June 29 92.7 61.2
June 30 92.9 61.4
July 1 93.1 61.6
July 2 93.4 61.9
July 3 93.6 62.2
July 4 93.8 62.5
July 5 93.9 62.7
July 6 94.0 62.9
July 7 94.1 63.1
July 8 94.2 63.3
July 9 94.3 63.5
July 10 94.3 63.7
July 11 94.4 63.8
July 12 94.4 63.9
July 13 94.3 64.0
July 14 94.3 64.0
July 15 94.3 64.1
July 16 94.3 64.2
July 17 94.3 64.2
July 18 94.3 64.3
July 19 94.3 64.3
July 20 94.2 64.4
July 21 94.1 64.4
July 22 93.9 64.3
July 23 93.8 64.3
July 24 93.7 64.3
July 25 93.6 64.2
July 26 93.6 64.2
July 27 93.4 64.2
July 28 93.3 64.1
July 29 93.2 64.0
July 30 93.1 63.9
July 31 93.0 63.8
August 1 92.9 63.7
August 2 92.7 63.6
August 3 92.6 63.5
August 4 92.5 63.3
August 5 92.3 63.2
August 6 92.1 63.1
August 7 92.0 62.9
August 8 91.9 62.8
August 9 91.7 62.7
August 10 91.6 62.6
August 11 91.5 62.6
August 12 91.3 62.5
August 13 91.1 62.4
August 14 90.9 62.2
August 15 90.8 62.1
August 16 90.7 61.9
August 17 90.5 61.8
August 18 90.3 61.6
August 19 90.3 61.4
August 20 90.2 61.3
August 21 90.2 61.1
August 22 90.0 61.0
August 23 89.8 60.8
August 24 89.5 60.6
August 25 89.3 60.4
August 26 89.0 60.1
August 27 88.6 59.9
August 28 88.2 59.6
August 29 87.9 59.3
August 30 87.5 59.1
August 31 87.2 58.8
September 1 86.8 58.4
September 2 86.5 58.1
September 3 86.1 57.8
September 4 85.7 57.5
September 5 85.3 57.1
September 6 85.0 56.7
September 7 84.6 56.4
September 8 84.2 55.9
September 9 83.8 55.5
September 10 83.4 55.0
September 11 83.1 54.6
September 12 82.7 54.1
September 13 82.3 53.7
September 14 81.9 53.3
September 15 81.6 52.9
September 16 81.2 52.6
September 17 80.7 52.2
September 18 80.2 51.8
September 19 79.7 51.4
September 20 79.2 50.9
September 21 78.7 50.5
September 22 78.2 50.0
September 23 77.7 49.5
September 24 77.2 49.0
September 25 76.8 48.6
September 26 76.4 48.2
September 27 76.0 47.8
September 28 75.6 47.3
September 29 75.2 46.9
September 30 74.8 46.5
October 1 74.3 46.0
October 2 73.9 45.6
October 3 73.5 45.2
October 4 73.1 44.7
October 5 72.6 44.3
October 6 72.3 43.9
October 7 71.9 43.6
October 8 71.4 43.2
October 9 71.0 42.9
October 10 70.4 42.5
October 11 69.8 42.1
October 12 69.2 41.6
October 13 68.5 41.1
October 14 67.8 40.6
October 15 67.2 40.2
October 16 66.6 39.7
October 17 66.0 39.2
October 18 65.5 38.8
October 19 65.0 38.3
October 20 64.5 37.9
October 21 64.1 37.5
October 22 63.7 37.2
October 23 63.2 36.9
October 24 62.8 36.5
October 25 62.4 36.1
October 26 61.9 35.7
October 27 61.4 35.4
October 28 60.8 35.0
October 29 60.2 34.7
October 30 59.6 34.3
October 31 59.0 33.9
November 1 58.5 33.5
November 2 57.9 33.1
November 3 57.4 32.7
November 4 56.8 32.2
November 5 56.4 31.8
November 6 55.9 31.4
November 7 55.4 31.1
November 8 54.9 30.7
November 9 54.5 30.3
November 10 54.0 29.9
November 11 53.6 29.6
November 12 53.2 29.2
November 13 52.7 28.7
November 14 52.2 28.3
November 15 51.7 28.0
November 16 51.2 27.6
November 17 50.8 27.3
November 18 50.3 26.9
November 19 49.8 26.6
November 20 49.4 26.2
November 21 48.8 25.9
November 22 48.2 25.5
November 23 47.7 25.1
November 24 47.2 24.7
November 25 46.6 24.3
November 26 46.2 23.9
November 27 45.8 23.6
November 28 45.4 23.3
November 29 45.0 23.1
November 30 44.6 22.9
December 1 44.2 22.6
December 2 43.7 22.2
December 3 43.2 21.9
December 4 42.7 21.6
December 5 42.2 21.3
December 6 41.8 20.9
December 7 41.4 20.6
December 8 40.9 20.3
December 9 40.6 20.0
December 10 40.2 19.7
December 11 39.9 19.5
December 12 39.6 19.2
December 13 39.2 18.9
December 14 38.9 18.7
December 15 38.7 18.5
December 16 38.4 18.3
December 17 38.1 18.1
December 18 37.8 17.8
December 19 37.5 17.6
December 20 37.3 17.4
December 21 37.1 17.2
December 22 36.9 17.0
December 23 36.6 16.8
December 24 36.5 16.7
December 25 36.4 16.5
December 26 36.3 16.5
December 27 36.2 16.4
December 28 36.1 16.2
December 29 36.0 16.2
December 30 36.0 16.1
December 31 36.0 16.0
Weather Station Details
Years Station Coordinates
1900–2024 Grand Junction Walker Field location
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