El Cajon Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in El Cajon, California, based on NOAA data.
Also see:
What's the hottest day of the year in El Cajon?
On average, August 25 is the hottest day of the year El Cajon, California. From 1991–2020, the average high temperature on August 25 was 89.9 °F and the average low was 65.2 °F.
What's the coldest day of the year in El Cajon?
On average, December 27 is the coldest day of the year El Cajon, California. From 1991–2020, the average high temperature on December 27 was 69.1 °F, and the average low was 41.6 °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 69.4 41.7
January 2 69.4 41.7
January 3 69.5 41.8
January 4 69.6 41.9
January 5 69.6 41.8
January 6 69.7 41.9
January 7 69.7 42.0
January 8 69.7 42.0
January 9 69.8 42.1
January 10 69.8 42.2
January 11 69.9 42.4
January 12 69.9 42.5
January 13 70.0 42.6
January 14 70.1 42.7
January 15 70.3 42.7
January 16 70.3 42.8
January 17 70.3 42.9
January 18 70.4 42.9
January 19 70.4 42.9
January 20 70.5 42.8
January 21 70.5 42.8
January 22 70.6 42.9
January 23 70.6 42.9
January 24 70.6 42.9
January 25 70.7 43.0
January 26 70.7 43.0
January 27 70.7 43.1
January 28 70.6 43.1
January 29 70.6 43.2
January 30 70.5 43.3
January 31 70.5 43.4
February 1 70.6 43.4
February 2 70.5 43.6
February 3 70.5 43.7
February 4 70.4 43.8
February 5 70.4 43.8
February 6 70.4 43.9
February 7 70.4 44.0
February 8 70.3 44.2
February 9 70.2 44.2
February 10 70.3 44.2
February 11 70.3 44.2
February 12 70.2 44.3
February 13 70.0 44.5
February 14 70.0 44.6
February 15 70.0 44.7
February 16 69.9 44.8
February 17 69.9 44.9
February 18 69.8 45.1
February 19 69.7 45.2
February 20 69.6 45.3
February 21 69.6 45.5
February 22 69.6 45.5
February 23 69.7 45.5
February 24 69.8 45.6
February 25 70.0 45.7
February 26 70.1 45.9
February 27 70.2 46.0
February 28 70.3 46.1
March 1 70.5 46.2
March 2 70.5 46.4
March 3 70.5 46.5
March 4 70.6 46.6
March 5 70.9 46.7
March 6 71.1 46.8
March 7 71.2 47.0
March 8 71.3 47.1
March 9 71.3 47.3
March 10 71.4 47.4
March 11 71.5 47.5
March 12 71.6 47.7
March 13 71.6 47.8
March 14 71.8 47.9
March 15 71.9 48.0
March 16 72.1 48.1
March 17 72.3 48.3
March 18 72.4 48.4
March 19 72.5 48.5
March 20 72.5 48.6
March 21 72.7 48.7
March 22 72.9 48.8
March 23 73.0 48.9
March 24 73.0 49.1
March 25 73.0 49.2
March 26 73.0 49.3
March 27 73.0 49.3
March 28 73.1 49.3
March 29 73.1 49.4
March 30 73.2 49.4
March 31 73.3 49.5
April 1 73.5 49.5
April 2 73.6 49.6
April 3 73.6 49.6
April 4 73.7 49.7
April 5 73.8 49.7
April 6 74.0 49.7
April 7 74.2 49.8
April 8 74.4 49.9
April 9 74.5 50.0
April 10 74.7 50.1
April 11 74.9 50.3
April 12 75.1 50.4
April 13 75.2 50.6
April 14 75.3 50.7
April 15 75.4 50.8
April 16 75.5 51.0
April 17 75.8 51.2
April 18 75.9 51.3
April 19 76.1 51.5
April 20 76.3 51.7
April 21 76.4 51.8
April 22 76.5 52.0
April 23 76.5 52.1
April 24 76.6 52.3
April 25 76.6 52.5
April 26 76.6 52.8
April 27 76.7 53.0
April 28 76.8 53.1
April 29 76.8 53.3
April 30 76.9 53.5
May 1 77.0 53.7
May 2 77.0 54.0
May 3 77.0 54.1
May 4 77.0 54.3
May 5 77.0 54.5
May 6 77.1 54.7
May 7 77.2 54.9
May 8 77.1 55.1
May 9 77.1 55.2
May 10 77.0 55.3
May 11 76.9 55.4
May 12 76.8 55.5
May 13 76.8 55.6
May 14 76.9 55.8
May 15 76.9 55.9
May 16 76.9 56.0
May 17 77.0 56.2
May 18 77.0 56.3
May 19 77.0 56.4
May 20 77.1 56.5
May 21 77.3 56.6
May 22 77.4 56.8
May 23 77.5 56.9
May 24 77.6 57.0
May 25 77.7 57.1
May 26 77.8 57.2
May 27 77.8 57.3
May 28 77.8 57.4
May 29 77.9 57.6
May 30 78.0 57.7
May 31 78.1 57.7
June 1 78.3 57.8
June 2 78.5 57.9
June 3 78.7 58.0
June 4 78.8 58.0
June 5 79.1 58.1
June 6 79.3 58.3
June 7 79.6 58.4
June 8 79.8 58.5
June 9 80.1 58.6
June 10 80.4 58.8
June 11 80.6 58.9
June 12 80.9 59.0
June 13 81.1 59.1
June 14 81.4 59.3
June 15 81.6 59.4
June 16 81.8 59.5
June 17 81.9 59.6
June 18 82.1 59.7
June 19 82.3 59.8
June 20 82.5 60.0
June 21 82.7 60.1
June 22 83.0 60.2
June 23 83.3 60.4
June 24 83.5 60.6
June 25 83.7 60.7
June 26 84.0 60.8
June 27 84.2 60.9
June 28 84.5 61.1
June 29 84.7 61.2
June 30 84.9 61.4
July 1 85.1 61.5
July 2 85.2 61.7
July 3 85.4 61.9
July 4 85.5 62.0
July 5 85.6 62.2
July 6 85.8 62.3
July 7 86.0 62.4
July 8 86.2 62.6
July 9 86.4 62.7
July 10 86.5 62.8
July 11 86.5 63.0
July 12 86.6 63.1
July 13 86.7 63.2
July 14 86.8 63.3
July 15 86.8 63.4
July 16 86.8 63.5
July 17 86.9 63.6
July 18 87.0 63.8
July 19 87.2 63.9
July 20 87.2 64.0
July 21 87.3 64.0
July 22 87.4 64.0
July 23 87.5 64.0
July 24 87.5 64.1
July 25 87.6 64.1
July 26 87.7 64.1
July 27 87.7 64.2
July 28 87.7 64.2
July 29 87.8 64.3
July 30 87.9 64.3
July 31 88.1 64.4
August 1 88.1 64.4
August 2 88.2 64.5
August 3 88.4 64.6
August 4 88.5 64.6
August 5 88.5 64.7
August 6 88.4 64.7
August 7 88.4 64.7
August 8 88.4 64.7
August 9 88.5 64.7
August 10 88.6 64.7
August 11 88.7 64.8
August 12 88.9 64.8
August 13 89.0 64.8
August 14 89.2 64.9
August 15 89.2 64.9
August 16 89.3 64.9
August 17 89.3 64.8
August 18 89.4 64.9
August 19 89.4 64.9
August 20 89.5 64.9
August 21 89.6 65.0
August 22 89.7 65.0
August 23 89.8 65.1
August 24 89.8 65.1
August 25 89.9 65.2
August 26 89.8 65.1
August 27 89.7 65.0
August 28 89.6 65.0
August 29 89.6 64.9
August 30 89.5 64.8
August 31 89.5 64.7
September 1 89.5 64.6
September 2 89.3 64.5
September 3 89.3 64.4
September 4 89.2 64.2
September 5 89.2 64.1
September 6 89.2 64.0
September 7 89.1 63.9
September 8 88.9 63.8
September 9 88.8 63.6
September 10 88.7 63.4
September 11 88.6 63.2
September 12 88.5 63.0
September 13 88.4 62.9
September 14 88.3 62.8
September 15 88.3 62.6
September 16 88.3 62.4
September 17 88.3 62.3
September 18 88.1 62.1
September 19 87.9 61.9
September 20 87.5 61.7
September 21 87.2 61.4
September 22 86.9 61.1
September 23 86.7 60.9
September 24 86.6 60.6
September 25 86.6 60.5
September 26 86.4 60.3
September 27 86.2 60.1
September 28 86.0 59.9
September 29 85.8 59.6
September 30 85.7 59.4
October 1 85.6 59.2
October 2 85.5 59.0
October 3 85.4 58.9
October 4 85.2 58.7
October 5 85.0 58.5
October 6 84.8 58.4
October 7 84.6 58.1
October 8 84.4 57.9
October 9 84.1 57.7
October 10 83.9 57.5
October 11 83.7 57.3
October 12 83.4 57.0
October 13 83.2 56.7
October 14 82.8 56.4
October 15 82.5 56.1
October 16 82.1 55.8
October 17 81.9 55.5
October 18 81.8 55.2
October 19 81.8 54.9
October 20 81.7 54.6
October 21 81.6 54.3
October 22 81.4 54.0
October 23 81.1 53.8
October 24 80.9 53.5
October 25 80.6 53.2
October 26 80.4 53.0
October 27 80.1 52.8
October 28 79.8 52.5
October 29 79.5 52.2
October 30 79.3 51.8
October 31 79.0 51.5
November 1 78.8 51.2
November 2 78.6 50.8
November 3 78.5 50.5
November 4 78.3 50.2
November 5 78.2 49.8
November 6 78.0 49.6
November 7 77.8 49.3
November 8 77.6 49.1
November 9 77.3 48.8
November 10 77.1 48.5
November 11 76.9 48.3
November 12 76.7 48.0
November 13 76.5 47.8
November 14 76.2 47.5
November 15 76.0 47.3
November 16 75.7 47.0
November 17 75.4 46.7
November 18 75.1 46.5
November 19 74.9 46.3
November 20 74.7 46.1
November 21 74.4 45.9
November 22 74.1 45.8
November 23 73.9 45.6
November 24 73.7 45.4
November 25 73.5 45.2
November 26 73.4 45.0
November 27 73.2 44.9
November 28 72.9 44.9
November 29 72.6 44.7
November 30 72.3 44.6
December 1 72.1 44.4
December 2 71.8 44.2
December 3 71.6 44.0
December 4 71.3 43.9
December 5 71.1 43.7
December 6 71.0 43.4
December 7 70.8 43.2
December 8 70.6 43.1
December 9 70.3 43.0
December 10 70.2 43.0
December 11 70.0 42.8
December 12 69.8 42.7
December 13 69.8 42.5
December 14 69.7 42.4
December 15 69.5 42.3
December 16 69.4 42.2
December 17 69.2 42.2
December 18 69.1 42.0
December 19 69.1 42.0
December 20 69.1 41.9
December 21 69.1 41.8
December 22 69.1 41.8
December 23 69.2 41.7
December 24 69.2 41.6
December 25 69.1 41.6
December 26 69.1 41.6
December 27 69.1 41.6
December 28 69.1 41.6
December 29 69.2 41.6
December 30 69.3 41.6
December 31 69.3 41.6
Weather Station Details
Years Station Coordinates
1979–2024 El Cajon location
1899–1979 El Cajon 2 E location
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