San Jacinto Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in San Jacinto, California, based on NOAA data.
Also see:
What's the hottest day of the year in San Jacinto?
On average, August 15 is the hottest day of the year San Jacinto, California. From 1991–2020, the average high temperature on August 15 was 98.3 °F and the average low was 63.5 °F.
What's the coldest day of the year in San Jacinto?
On average, December 28 is the coldest day of the year San Jacinto, California. From 1991–2020, the average high temperature on December 28 was 66.1 °F, and the average low was 37.8 °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 66.2 37.9
January 2 66.3 37.9
January 3 66.4 38.0
January 4 66.6 38.0
January 5 66.7 38.2
January 6 66.8 38.2
January 7 66.8 38.3
January 8 66.9 38.3
January 9 67.0 38.4
January 10 67.0 38.6
January 11 67.1 38.9
January 12 67.2 39.0
January 13 67.3 39.1
January 14 67.4 39.2
January 15 67.5 39.2
January 16 67.6 39.3
January 17 67.6 39.4
January 18 67.8 39.4
January 19 67.8 39.5
January 20 67.9 39.5
January 21 68.0 39.5
January 22 68.1 39.6
January 23 68.1 39.7
January 24 68.2 39.7
January 25 68.3 39.8
January 26 68.3 39.9
January 27 68.3 39.9
January 28 68.3 40.0
January 29 68.3 40.1
January 30 68.3 40.2
January 31 68.4 40.2
February 1 68.4 40.3
February 2 68.3 40.5
February 3 68.2 40.5
February 4 68.2 40.5
February 5 68.1 40.6
February 6 68.1 40.7
February 7 68.0 40.7
February 8 67.9 40.7
February 9 67.9 40.7
February 10 67.9 40.6
February 11 67.9 40.6
February 12 67.9 40.7
February 13 67.7 40.9
February 14 67.6 40.9
February 15 67.5 41.0
February 16 67.5 41.1
February 17 67.4 41.2
February 18 67.3 41.3
February 19 67.3 41.4
February 20 67.3 41.5
February 21 67.2 41.6
February 22 67.2 41.6
February 23 67.5 41.7
February 24 67.7 41.8
February 25 68.0 41.9
February 26 68.2 42.0
February 27 68.4 42.2
February 28 68.6 42.3
March 1 68.7 42.5
March 2 68.9 42.5
March 3 69.1 42.7
March 4 69.4 42.8
March 5 69.7 42.9
March 6 70.1 43.1
March 7 70.4 43.2
March 8 70.6 43.4
March 9 70.7 43.5
March 10 70.9 43.7
March 11 71.0 43.9
March 12 71.1 44.0
March 13 71.3 44.1
March 14 71.5 44.2
March 15 71.8 44.3
March 16 72.2 44.4
March 17 72.4 44.5
March 18 72.6 44.6
March 19 72.8 44.7
March 20 72.9 44.8
March 21 73.1 44.8
March 22 73.3 44.9
March 23 73.5 45.1
March 24 73.5 45.1
March 25 73.5 45.2
March 26 73.4 45.2
March 27 73.5 45.3
March 28 73.6 45.2
March 29 73.6 45.2
March 30 73.6 45.2
March 31 73.6 45.2
April 1 73.6 45.3
April 2 73.7 45.4
April 3 73.8 45.4
April 4 73.8 45.5
April 5 74.0 45.6
April 6 74.3 45.6
April 7 74.7 45.8
April 8 74.9 45.9
April 9 75.1 46.1
April 10 75.4 46.3
April 11 75.6 46.5
April 12 75.9 46.7
April 13 76.1 46.8
April 14 76.2 46.9
April 15 76.4 47.1
April 16 76.6 47.3
April 17 76.9 47.5
April 18 77.2 47.6
April 19 77.4 47.8
April 20 77.8 48.0
April 21 78.1 48.2
April 22 78.3 48.4
April 23 78.4 48.6
April 24 78.6 48.8
April 25 78.8 49.0
April 26 79.0 49.3
April 27 79.2 49.5
April 28 79.5 49.8
April 29 79.7 50.0
April 30 80.0 50.2
May 1 80.2 50.3
May 2 80.3 50.5
May 3 80.4 50.7
May 4 80.6 50.9
May 5 80.7 51.0
May 6 80.8 51.2
May 7 81.0 51.3
May 8 81.0 51.4
May 9 81.1 51.5
May 10 81.1 51.6
May 11 81.1 51.7
May 12 81.1 51.9
May 13 81.3 52.0
May 14 81.5 52.0
May 15 81.7 52.2
May 16 82.0 52.4
May 17 82.3 52.5
May 18 82.5 52.6
May 19 82.7 52.7
May 20 82.9 52.8
May 21 83.2 53.0
May 22 83.5 53.2
May 23 83.7 53.3
May 24 83.8 53.4
May 25 84.0 53.5
May 26 84.3 53.7
May 27 84.4 53.8
May 28 84.6 54.0
May 29 84.7 54.1
May 30 84.9 54.2
May 31 85.2 54.4
June 1 85.5 54.5
June 2 85.8 54.6
June 3 86.0 54.8
June 4 86.3 54.9
June 5 86.7 55.1
June 6 87.1 55.2
June 7 87.5 55.4
June 8 88.0 55.6
June 9 88.5 55.7
June 10 88.8 55.9
June 11 89.2 56.1
June 12 89.5 56.3
June 13 89.8 56.5
June 14 90.0 56.6
June 15 90.3 56.8
June 16 90.5 57.0
June 17 90.8 57.3
June 18 91.1 57.5
June 19 91.3 57.6
June 20 91.6 57.8
June 21 92.0 58.0
June 22 92.4 58.3
June 23 92.8 58.5
June 24 93.0 58.7
June 25 93.4 58.9
June 26 93.7 59.2
June 27 94.1 59.3
June 28 94.3 59.6
June 29 94.6 59.8
June 30 94.9 60.0
July 1 95.1 60.3
July 2 95.3 60.5
July 3 95.4 60.7
July 4 95.6 60.8
July 5 95.7 61.0
July 6 95.9 61.2
July 7 96.0 61.4
July 8 96.1 61.6
July 9 96.3 61.8
July 10 96.4 62.0
July 11 96.5 62.1
July 12 96.7 62.3
July 13 96.8 62.5
July 14 96.9 62.6
July 15 96.9 62.7
July 16 96.9 62.8
July 17 97.0 63.0
July 18 97.1 63.1
July 19 97.2 63.2
July 20 97.3 63.3
July 21 97.3 63.4
July 22 97.3 63.4
July 23 97.4 63.4
July 24 97.4 63.4
July 25 97.5 63.3
July 26 97.6 63.4
July 27 97.6 63.4
July 28 97.6 63.5
July 29 97.6 63.4
July 30 97.7 63.4
July 31 97.8 63.5
August 1 97.9 63.5
August 2 98.0 63.6
August 3 98.0 63.6
August 4 98.1 63.6
August 5 98.1 63.6
August 6 98.1 63.6
August 7 98.2 63.5
August 8 98.1 63.5
August 9 98.1 63.4
August 10 98.1 63.4
August 11 98.1 63.4
August 12 98.1 63.4
August 13 98.2 63.5
August 14 98.3 63.5
August 15 98.3 63.5
August 16 98.3 63.4
August 17 98.3 63.3
August 18 98.3 63.3
August 19 98.3 63.2
August 20 98.3 63.2
August 21 98.3 63.3
August 22 98.2 63.3
August 23 98.2 63.4
August 24 98.1 63.3
August 25 98.1 63.3
August 26 97.9 63.2
August 27 97.7 63.1
August 28 97.5 62.9
August 29 97.3 62.8
August 30 97.2 62.6
August 31 96.9 62.5
September 1 96.8 62.3
September 2 96.6 62.2
September 3 96.4 62.1
September 4 96.3 61.9
September 5 96.1 61.8
September 6 95.8 61.6
September 7 95.5 61.4
September 8 95.2 61.3
September 9 95.0 61.0
September 10 94.8 60.8
September 11 94.6 60.5
September 12 94.3 60.3
September 13 94.1 60.2
September 14 93.8 60.0
September 15 93.6 59.8
September 16 93.4 59.7
September 17 93.2 59.5
September 18 92.9 59.3
September 19 92.6 59.0
September 20 92.1 58.7
September 21 91.7 58.4
September 22 91.4 58.0
September 23 91.1 57.6
September 24 90.9 57.4
September 25 90.6 57.1
September 26 90.4 56.9
September 27 90.0 56.6
September 28 89.7 56.3
September 29 89.5 56.0
September 30 89.3 55.8
October 1 89.1 55.5
October 2 88.8 55.4
October 3 88.5 55.2
October 4 88.2 55.0
October 5 88.1 54.8
October 6 87.9 54.6
October 7 87.7 54.3
October 8 87.3 54.1
October 9 86.9 53.9
October 10 86.6 53.7
October 11 86.1 53.4
October 12 85.7 53.1
October 13 85.4 52.7
October 14 85.0 52.4
October 15 84.5 52.0
October 16 84.1 51.7
October 17 83.7 51.3
October 18 83.5 51.0
October 19 83.3 50.8
October 20 83.1 50.5
October 21 82.8 50.3
October 22 82.5 50.0
October 23 82.2 49.8
October 24 81.9 49.5
October 25 81.6 49.3
October 26 81.2 49.1
October 27 80.9 48.9
October 28 80.4 48.6
October 29 79.9 48.3
October 30 79.6 48.0
October 31 79.3 47.7
November 1 79.0 47.4
November 2 78.7 47.1
November 3 78.4 46.8
November 4 78.1 46.5
November 5 77.8 46.2
November 6 77.6 45.9
November 7 77.3 45.7
November 8 77.0 45.3
November 9 76.8 45.0
November 10 76.5 44.7
November 11 76.1 44.5
November 12 75.9 44.3
November 13 75.6 44.1
November 14 75.2 43.8
November 15 74.8 43.6
November 16 74.5 43.3
November 17 74.1 43.1
November 18 73.8 42.9
November 19 73.5 42.7
November 20 73.2 42.5
November 21 72.8 42.2
November 22 72.5 42.1
November 23 72.1 42.0
November 24 71.9 41.8
November 25 71.7 41.6
November 26 71.5 41.3
November 27 71.2 41.2
November 28 70.9 41.1
November 29 70.6 41.0
November 30 70.2 40.8
December 1 70.0 40.6
December 2 69.8 40.4
December 3 69.4 40.3
December 4 69.0 40.1
December 5 68.8 39.9
December 6 68.5 39.7
December 7 68.2 39.5
December 8 68.0 39.4
December 9 67.7 39.3
December 10 67.5 39.1
December 11 67.3 39.0
December 12 67.1 38.7
December 13 67.1 38.5
December 14 66.9 38.4
December 15 66.8 38.3
December 16 66.7 38.3
December 17 66.5 38.2
December 18 66.4 38.1
December 19 66.3 38.1
December 20 66.2 38.1
December 21 66.2 38.0
December 22 66.2 37.9
December 23 66.2 37.8
December 24 66.2 37.8
December 25 66.2 37.8
December 26 66.1 37.8
December 27 66.1 37.8
December 28 66.1 37.8
December 29 66.2 37.9
December 30 66.2 37.9
December 31 66.2 37.9
Weather Station Details
Years Station Coordinates
1978–2024 San Jacinto location
1893–1978 San Jacinto location
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