Riverside Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Riverside, California, based on NOAA data.
Also see:
What's the hottest day of the year in Riverside?
On average, August 23 is the hottest day of the year Riverside, California. From 1991–2020, the average high temperature on August 23 was 95.7 °F and the average low was 64.5 °F.
What's the coldest day of the year in Riverside?
On average, December 22 is the coldest day of the year Riverside, California. From 1991–2020, the average high temperature on December 22 was 67.5 °F, and the average low was 42.1 °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 67.5 42.3
January 2 67.6 42.4
January 3 67.7 42.4
January 4 67.8 42.5
January 5 67.9 42.6
January 6 68.0 42.6
January 7 68.1 42.6
January 8 68.0 42.6
January 9 68.1 42.7
January 10 68.2 42.8
January 11 68.3 43.0
January 12 68.3 43.1
January 13 68.3 43.1
January 14 68.5 43.2
January 15 68.6 43.4
January 16 68.7 43.4
January 17 68.7 43.5
January 18 68.8 43.4
January 19 68.9 43.5
January 20 69.0 43.5
January 21 69.1 43.4
January 22 69.1 43.4
January 23 69.2 43.4
January 24 69.2 43.4
January 25 69.3 43.5
January 26 69.3 43.5
January 27 69.3 43.6
January 28 69.3 43.7
January 29 69.3 43.8
January 30 69.3 43.8
January 31 69.4 43.9
February 1 69.4 43.9
February 2 69.4 44.0
February 3 69.3 44.0
February 4 69.3 44.0
February 5 69.2 44.1
February 6 69.2 44.2
February 7 69.2 44.2
February 8 69.1 44.3
February 9 69.1 44.2
February 10 69.1 44.2
February 11 69.1 44.2
February 12 69.1 44.2
February 13 68.9 44.2
February 14 68.8 44.2
February 15 68.8 44.3
February 16 68.7 44.3
February 17 68.7 44.5
February 18 68.6 44.5
February 19 68.6 44.7
February 20 68.6 44.7
February 21 68.6 44.8
February 22 68.7 44.8
February 23 68.9 44.8
February 24 69.1 44.9
February 25 69.3 44.9
February 26 69.5 45.0
February 27 69.6 45.1
February 28 69.8 45.1
March 1 69.9 45.2
March 2 70.0 45.3
March 3 70.2 45.4
March 4 70.3 45.5
March 5 70.6 45.6
March 6 70.9 45.7
March 7 71.0 45.9
March 8 71.1 45.9
March 9 71.2 46.0
March 10 71.3 46.1
March 11 71.4 46.3
March 12 71.5 46.4
March 13 71.6 46.5
March 14 71.8 46.6
March 15 72.0 46.7
March 16 72.3 46.8
March 17 72.5 46.9
March 18 72.7 46.9
March 19 72.8 47.0
March 20 72.9 47.0
March 21 73.1 47.1
March 22 73.2 47.2
March 23 73.3 47.3
March 24 73.3 47.4
March 25 73.2 47.5
March 26 73.3 47.6
March 27 73.3 47.6
March 28 73.3 47.6
March 29 73.4 47.7
March 30 73.5 47.7
March 31 73.5 47.7
April 1 73.6 47.8
April 2 73.7 47.8
April 3 73.8 47.9
April 4 73.9 47.9
April 5 74.1 48.0
April 6 74.4 48.1
April 7 74.7 48.2
April 8 74.9 48.4
April 9 75.1 48.5
April 10 75.3 48.7
April 11 75.6 48.9
April 12 75.9 49.0
April 13 76.1 49.2
April 14 76.2 49.3
April 15 76.3 49.5
April 16 76.6 49.7
April 17 76.8 49.9
April 18 77.1 50.1
April 19 77.2 50.2
April 20 77.5 50.4
April 21 77.7 50.6
April 22 77.9 50.8
April 23 78.1 51.0
April 24 78.3 51.2
April 25 78.4 51.4
April 26 78.6 51.5
April 27 78.8 51.8
April 28 79.0 51.9
April 29 79.2 52.2
April 30 79.4 52.4
May 1 79.5 52.6
May 2 79.6 52.8
May 3 79.7 53.0
May 4 79.7 53.2
May 5 79.8 53.3
May 6 79.9 53.5
May 7 80.0 53.6
May 8 80.1 53.7
May 9 80.1 53.9
May 10 80.1 54.0
May 11 80.0 54.1
May 12 80.0 54.3
May 13 80.1 54.3
May 14 80.2 54.5
May 15 80.3 54.6
May 16 80.5 54.7
May 17 80.7 54.8
May 18 80.8 55.0
May 19 80.9 55.1
May 20 81.1 55.2
May 21 81.3 55.4
May 22 81.4 55.5
May 23 81.5 55.6
May 24 81.7 55.7
May 25 81.8 55.9
May 26 81.9 56.0
May 27 82.0 56.2
May 28 82.1 56.3
May 29 82.2 56.4
May 30 82.3 56.6
May 31 82.6 56.6
June 1 82.9 56.8
June 2 83.1 56.9
June 3 83.4 57.0
June 4 83.6 57.1
June 5 83.9 57.2
June 6 84.2 57.4
June 7 84.5 57.5
June 8 84.9 57.7
June 9 85.3 57.8
June 10 85.7 57.9
June 11 86.0 58.0
June 12 86.3 58.2
June 13 86.5 58.3
June 14 86.8 58.5
June 15 87.0 58.7
June 16 87.3 58.8
June 17 87.6 59.0
June 18 87.8 59.1
June 19 88.1 59.2
June 20 88.4 59.4
June 21 88.8 59.6
June 22 89.1 59.7
June 23 89.5 60.0
June 24 89.7 60.1
June 25 90.0 60.3
June 26 90.3 60.5
June 27 90.7 60.7
June 28 91.0 60.9
June 29 91.2 61.1
June 30 91.5 61.3
July 1 91.7 61.5
July 2 92.0 61.7
July 3 92.1 61.9
July 4 92.3 62.0
July 5 92.5 62.2
July 6 92.6 62.4
July 7 92.8 62.5
July 8 92.9 62.7
July 9 93.1 62.8
July 10 93.2 63.0
July 11 93.3 63.2
July 12 93.4 63.3
July 13 93.5 63.4
July 14 93.6 63.5
July 15 93.6 63.6
July 16 93.6 63.7
July 17 93.7 63.8
July 18 93.8 63.9
July 19 94.0 64.0
July 20 94.1 64.1
July 21 94.1 64.2
July 22 94.2 64.2
July 23 94.2 64.2
July 24 94.2 64.2
July 25 94.3 64.2
July 26 94.4 64.2
July 27 94.4 64.2
July 28 94.4 64.2
July 29 94.5 64.2
July 30 94.6 64.2
July 31 94.7 64.3
August 1 94.7 64.4
August 2 94.8 64.4
August 3 94.9 64.4
August 4 94.9 64.4
August 5 94.9 64.4
August 6 95.0 64.4
August 7 94.9 64.4
August 8 95.0 64.4
August 9 95.0 64.3
August 10 95.0 64.3
August 11 95.1 64.3
August 12 95.2 64.3
August 13 95.3 64.3
August 14 95.4 64.3
August 15 95.5 64.3
August 16 95.5 64.3
August 17 95.6 64.3
August 18 95.6 64.2
August 19 95.6 64.3
August 20 95.6 64.3
August 21 95.7 64.4
August 22 95.7 64.4
August 23 95.7 64.5
August 24 95.7 64.5
August 25 95.6 64.5
August 26 95.5 64.4
August 27 95.4 64.3
August 28 95.2 64.2
August 29 95.0 64.1
August 30 94.9 63.9
August 31 94.7 63.8
September 1 94.6 63.7
September 2 94.4 63.6
September 3 94.3 63.4
September 4 94.2 63.3
September 5 94.1 63.2
September 6 93.9 63.1
September 7 93.7 62.9
September 8 93.4 62.8
September 9 93.3 62.6
September 10 93.1 62.4
September 11 93.0 62.3
September 12 92.8 62.1
September 13 92.6 62.0
September 14 92.4 61.8
September 15 92.2 61.7
September 16 92.1 61.5
September 17 91.9 61.4
September 18 91.6 61.2
September 19 91.3 60.9
September 20 90.8 60.6
September 21 90.4 60.4
September 22 90.1 60.1
September 23 89.9 59.8
September 24 89.8 59.6
September 25 89.5 59.4
September 26 89.3 59.2
September 27 89.0 59.0
September 28 88.8 58.7
September 29 88.6 58.6
September 30 88.4 58.4
October 1 88.2 58.2
October 2 88.0 58.1
October 3 87.8 57.9
October 4 87.5 57.8
October 5 87.3 57.6
October 6 87.0 57.3
October 7 86.8 57.2
October 8 86.5 57.0
October 9 86.1 56.8
October 10 85.7 56.7
October 11 85.4 56.4
October 12 85.0 56.2
October 13 84.6 55.9
October 14 84.2 55.7
October 15 83.7 55.3
October 16 83.2 55.1
October 17 82.9 54.8
October 18 82.7 54.5
October 19 82.6 54.3
October 20 82.4 54.0
October 21 82.2 53.8
October 22 81.9 53.5
October 23 81.6 53.3
October 24 81.4 53.0
October 25 81.1 52.8
October 26 80.8 52.6
October 27 80.4 52.4
October 28 80.0 52.1
October 29 79.6 51.8
October 30 79.4 51.5
October 31 79.1 51.2
November 1 78.8 50.9
November 2 78.6 50.6
November 3 78.3 50.4
November 4 78.1 50.1
November 5 77.9 49.8
November 6 77.6 49.6
November 7 77.3 49.4
November 8 77.0 49.1
November 9 76.7 48.8
November 10 76.5 48.5
November 11 76.3 48.2
November 12 76.1 48.0
November 13 75.8 47.8
November 14 75.6 47.5
November 15 75.2 47.2
November 16 74.9 47.0
November 17 74.6 46.8
November 18 74.3 46.6
November 19 74.0 46.5
November 20 73.6 46.3
November 21 73.3 46.1
November 22 73.0 45.9
November 23 72.7 45.7
November 24 72.5 45.5
November 25 72.3 45.3
November 26 72.2 45.1
November 27 71.9 45.0
November 28 71.6 44.9
November 29 71.3 44.7
November 30 71.0 44.5
December 1 70.7 44.3
December 2 70.5 44.2
December 3 70.2 44.1
December 4 69.8 44.0
December 5 69.6 43.7
December 6 69.4 43.5
December 7 69.2 43.4
December 8 68.9 43.3
December 9 68.7 43.3
December 10 68.5 43.1
December 11 68.3 43.0
December 12 68.1 42.8
December 13 68.1 42.7
December 14 68.0 42.6
December 15 67.9 42.5
December 16 67.7 42.4
December 17 67.5 42.3
December 18 67.5 42.2
December 19 67.5 42.2
December 20 67.4 42.2
December 21 67.4 42.2
December 22 67.5 42.1
December 23 67.4 42.2
December 24 67.4 42.2
December 25 67.4 42.3
December 26 67.4 42.3
December 27 67.4 42.3
December 28 67.4 42.4
December 29 67.4 42.4
December 30 67.5 42.4
December 31 67.5 42.3
Weather Station Details
Years Station Coordinates
1999–2024 Riverside Municipal Airport location
1893–1998 Riverside Fire Station location
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