San Francisco Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in San Francisco, California, based on NOAA data.
Also see:
What's the hottest day of the year in San Francisco?
On average, October 2 is the hottest day of the year San Francisco, California. From 1991–2020, the average high temperature on October 2 was 71.6 °F and the average low was 55.5 °F.
What's the coldest day of the year in San Francisco?
On average, December 29 is the coldest day of the year San Francisco, California. From 1991–2020, the average high temperature on December 29 was 57.6 °F, and the average low was 46.3 °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 57.6 46.3
January 2 57.6 46.3
January 3 57.7 46.4
January 4 57.8 46.4
January 5 57.8 46.4
January 6 57.8 46.4
January 7 57.8 46.5
January 8 57.9 46.5
January 9 57.9 46.6
January 10 57.9 46.6
January 11 58.0 46.7
January 12 58.0 46.7
January 13 58.1 46.8
January 14 58.2 46.8
January 15 58.3 46.8
January 16 58.4 46.9
January 17 58.5 46.9
January 18 58.6 47.0
January 19 58.7 47.1
January 20 58.8 47.2
January 21 59.0 47.3
January 22 59.2 47.3
January 23 59.3 47.4
January 24 59.4 47.5
January 25 59.5 47.6
January 26 59.7 47.6
January 27 59.8 47.7
January 28 59.9 47.7
January 29 60.0 47.8
January 30 60.2 47.8
January 31 60.3 47.9
February 1 60.4 47.9
February 2 60.4 48.0
February 3 60.5 48.0
February 4 60.5 48.0
February 5 60.5 48.0
February 6 60.5 48.1
February 7 60.6 48.1
February 8 60.7 48.1
February 9 60.7 48.1
February 10 60.8 48.1
February 11 60.9 48.1
February 12 60.9 48.1
February 13 60.9 48.2
February 14 61.0 48.2
February 15 61.0 48.2
February 16 61.1 48.3
February 17 61.1 48.3
February 18 61.1 48.3
February 19 61.0 48.3
February 20 61.0 48.3
February 21 61.1 48.2
February 22 61.1 48.2
February 23 61.2 48.2
February 24 61.2 48.2
February 25 61.3 48.2
February 26 61.4 48.3
February 27 61.5 48.4
February 28 61.6 48.4
March 1 61.6 48.5
March 2 61.7 48.5
March 3 61.8 48.6
March 4 61.9 48.6
March 5 62.1 48.7
March 6 62.3 48.7
March 7 62.3 48.8
March 8 62.3 48.9
March 9 62.3 48.9
March 10 62.4 49.0
March 11 62.4 49.0
March 12 62.4 49.0
March 13 62.5 49.1
March 14 62.6 49.1
March 15 62.7 49.2
March 16 62.8 49.2
March 17 62.8 49.2
March 18 62.9 49.2
March 19 62.9 49.3
March 20 63.0 49.3
March 21 63.0 49.3
March 22 63.0 49.4
March 23 63.0 49.4
March 24 63.0 49.4
March 25 62.9 49.4
March 26 62.8 49.4
March 27 62.8 49.4
March 28 62.8 49.4
March 29 62.7 49.4
March 30 62.7 49.4
March 31 62.6 49.3
April 1 62.6 49.3
April 2 62.5 49.3
April 3 62.5 49.3
April 4 62.5 49.3
April 5 62.6 49.3
April 6 62.7 49.4
April 7 62.9 49.5
April 8 63.1 49.5
April 9 63.2 49.6
April 10 63.3 49.7
April 11 63.3 49.7
April 12 63.4 49.8
April 13 63.5 49.8
April 14 63.5 49.8
April 15 63.6 49.9
April 16 63.7 49.9
April 17 63.9 50.0
April 18 64.0 50.1
April 19 64.1 50.2
April 20 64.2 50.3
April 21 64.2 50.3
April 22 64.3 50.4
April 23 64.5 50.5
April 24 64.5 50.6
April 25 64.6 50.6
April 26 64.6 50.6
April 27 64.6 50.6
April 28 64.7 50.7
April 29 64.8 50.8
April 30 64.8 50.9
May 1 64.9 51.0
May 2 64.9 51.0
May 3 64.9 51.1
May 4 64.9 51.2
May 5 64.9 51.2
May 6 64.9 51.2
May 7 64.9 51.3
May 8 64.8 51.3
May 9 64.9 51.4
May 10 64.9 51.4
May 11 64.9 51.4
May 12 64.8 51.5
May 13 64.7 51.5
May 14 64.7 51.6
May 15 64.6 51.6
May 16 64.5 51.6
May 17 64.5 51.7
May 18 64.6 51.7
May 19 64.7 51.8
May 20 64.7 51.8
May 21 64.8 51.9
May 22 64.8 51.9
May 23 64.8 51.9
May 24 64.8 52.0
May 25 64.9 52.1
May 26 65.1 52.2
May 27 65.2 52.3
May 28 65.3 52.4
May 29 65.4 52.4
May 30 65.5 52.4
May 31 65.7 52.5
June 1 65.8 52.5
June 2 65.8 52.5
June 3 66.0 52.6
June 4 66.1 52.6
June 5 66.2 52.7
June 6 66.3 52.7
June 7 66.4 52.7
June 8 66.4 52.8
June 9 66.5 52.8
June 10 66.6 52.8
June 11 66.8 52.9
June 12 66.9 53.0
June 13 66.9 53.1
June 14 67.0 53.1
June 15 67.0 53.2
June 16 67.1 53.3
June 17 67.3 53.3
June 18 67.3 53.4
June 19 67.3 53.4
June 20 67.3 53.4
June 21 67.4 53.5
June 22 67.4 53.5
June 23 67.4 53.5
June 24 67.4 53.6
June 25 67.4 53.6
June 26 67.4 53.6
June 27 67.4 53.7
June 28 67.4 53.7
June 29 67.3 53.8
June 30 67.3 53.8
July 1 67.3 53.9
July 2 67.3 54.0
July 3 67.3 54.0
July 4 67.3 54.1
July 5 67.3 54.2
July 6 67.2 54.3
July 7 67.2 54.4
July 8 67.3 54.5
July 9 67.3 54.5
July 10 67.3 54.6
July 11 67.3 54.6
July 12 67.3 54.6
July 13 67.3 54.6
July 14 67.3 54.6
July 15 67.1 54.6
July 16 67.0 54.7
July 17 67.0 54.7
July 18 67.0 54.8
July 19 67.0 54.8
July 20 67.1 54.9
July 21 67.1 54.9
July 22 67.1 55.0
July 23 67.1 55.1
July 24 67.1 55.1
July 25 67.1 55.1
July 26 67.2 55.2
July 27 67.3 55.2
July 28 67.3 55.2
July 29 67.4 55.3
July 30 67.5 55.3
July 31 67.6 55.3
August 1 67.6 55.4
August 2 67.7 55.4
August 3 67.7 55.4
August 4 67.7 55.4
August 5 67.7 55.4
August 6 67.7 55.4
August 7 67.6 55.4
August 8 67.7 55.4
August 9 67.8 55.5
August 10 67.8 55.5
August 11 67.9 55.6
August 12 68.0 55.6
August 13 68.2 55.6
August 14 68.4 55.7
August 15 68.5 55.7
August 16 68.6 55.7
August 17 68.7 55.8
August 18 68.8 55.8
August 19 69.0 55.9
August 20 69.1 55.9
August 21 69.1 55.9
August 22 69.3 55.9
August 23 69.5 56.0
August 24 69.6 56.0
August 25 69.6 56.0
August 26 69.6 56.0
August 27 69.7 56.0
August 28 69.7 56.0
August 29 69.7 56.0
August 30 69.8 56.0
August 31 69.6 56.1
September 1 69.6 56.1
September 2 69.6 56.1
September 3 69.7 56.1
September 4 69.9 56.1
September 5 70.1 56.1
September 6 70.2 56.1
September 7 70.3 56.1
September 8 70.3 56.1
September 9 70.4 56.0
September 10 70.5 56.0
September 11 70.6 56.0
September 12 70.7 56.0
September 13 70.8 56.0
September 14 70.8 55.9
September 15 70.8 55.9
September 16 70.8 55.9
September 17 70.7 55.8
September 18 70.8 55.8
September 19 70.8 55.8
September 20 70.7 55.8
September 21 70.6 55.7
September 22 70.6 55.7
September 23 70.7 55.7
September 24 70.8 55.6
September 25 70.9 55.6
September 26 70.9 55.6
September 27 70.8 55.5
September 28 71.0 55.5
September 29 71.2 55.5
September 30 71.4 55.5
October 1 71.5 55.5
October 2 71.6 55.5
October 3 71.6 55.4
October 4 71.4 55.3
October 5 71.3 55.2
October 6 71.2 55.2
October 7 71.2 55.1
October 8 71.1 55.1
October 9 71.1 55.0
October 10 71.0 55.0
October 11 70.9 55.0
October 12 70.8 54.9
October 13 70.8 54.9
October 14 70.7 54.9
October 15 70.6 54.8
October 16 70.4 54.7
October 17 70.3 54.6
October 18 70.3 54.5
October 19 70.3 54.4
October 20 70.2 54.3
October 21 70.1 54.2
October 22 69.8 54.1
October 23 69.6 54.0
October 24 69.4 53.9
October 25 69.2 53.8
October 26 69.0 53.7
October 27 68.7 53.6
October 28 68.4 53.4
October 29 68.2 53.3
October 30 68.0 53.2
October 31 67.8 53.0
November 1 67.5 52.9
November 2 67.4 52.8
November 3 67.2 52.8
November 4 67.0 52.6
November 5 66.8 52.5
November 6 66.6 52.4
November 7 66.3 52.3
November 8 66.0 52.1
November 9 65.7 51.9
November 10 65.5 51.7
November 11 65.2 51.6
November 12 64.9 51.4
November 13 64.7 51.3
November 14 64.5 51.1
November 15 64.3 51.0
November 16 64.0 50.8
November 17 63.7 50.7
November 18 63.4 50.5
November 19 63.2 50.4
November 20 63.0 50.3
November 21 62.8 50.2
November 22 62.5 50.0
November 23 62.4 49.9
November 24 62.2 49.8
November 25 62.1 49.7
November 26 61.9 49.6
November 27 61.7 49.5
November 28 61.4 49.4
November 29 61.1 49.3
November 30 60.9 49.1
December 1 60.7 49.0
December 2 60.5 48.8
December 3 60.3 48.7
December 4 60.2 48.5
December 5 60.0 48.4
December 6 59.8 48.2
December 7 59.6 48.1
December 8 59.5 48.0
December 9 59.3 47.9
December 10 59.2 47.8
December 11 59.0 47.6
December 12 58.9 47.5
December 13 58.8 47.4
December 14 58.7 47.3
December 15 58.6 47.2
December 16 58.5 47.2
December 17 58.4 47.1
December 18 58.3 47.0
December 19 58.2 47.0
December 20 58.1 46.9
December 21 58.1 46.8
December 22 58.0 46.7
December 23 57.9 46.6
December 24 57.8 46.5
December 25 57.7 46.5
December 26 57.7 46.4
December 27 57.6 46.4
December 28 57.6 46.3
December 29 57.6 46.3
December 30 57.7 46.3
December 31 57.6 46.3
Weather Station Details
Years Station Coordinates
1921–2024 Downtown San Francisco location
© H Brothers Inc, 2021–2024
Contact us | Privacy policy