San Luis Obispo Record Low by Day of the Year
Data for the record low temperature for each day of the year in
San Luis Obispo, California , as well as the year that the record was set. It is based on NOAA data for the years 1893–2024.
Change city
Day
Record Low
Year Set or Tied
January 1 27
2015
January 2 30
1960, 2015, 2019
January 3 27
1952
January 4 28
1971
January 5 29
1949
January 6 29
1970
January 7 27
1982
January 8 29
1950
January 9 29
1937
January 10 27
1937, 1949
January 11 30
1949, 1971, 2013
January 12 29
1949
January 13 27
1963
January 14 21
2007
January 15 24
2007
January 16 30
2013
January 17 26
1987
January 18 26
1987
January 19 28
2007
January 20 29
1945
January 21 25
1963
January 22 24
1937
January 23 25
1937
January 24 28
1937
January 25 30
2002
January 26 29
1949
January 27 29
1949
January 28 27
1957
January 29 27
1979
January 30 30
2002
January 31 29
2002
February 1 27
2002
February 2 30
1939, 1979
February 3 29
1932
February 4 27
2020
February 5 30
1955
February 6 29
2003
February 7 29
2001
February 8 31
1933, 2001
February 9 30
1939, 2003
February 10 21
1929
February 11 31
1929
February 12 29
1999
February 13 32
1929
February 14 31
1994
February 15 28
1990
February 16 28
1990
February 17 30
1956
February 18 32
1952, 2019
February 19 31
2019
February 20 31
2006
February 21 32
1975, 2018
February 22 31
2019
February 23 30
1984
February 24 29
2022
February 25 31
1987
February 26 29
1935
February 27 30
1935
February 28 28
1962
March 1 28
1962
March 2 30
1951
March 3 30
1964
March 4 31
2002
March 5 33
1945, 1966, 1985, 1999
March 6 34
2017, 2022
March 7 32
1999
March 8 31
1971
March 9 33
1935, 1969
March 10 34
1935, 1962
March 11 34
2009
March 12 35
1969, 1990
March 13 32
2006
March 14 35
1946, 1950, 1991
March 15 32
2002
March 16 32
2002
March 17 34
1955, 1963
March 18 28
1986
March 19 34
2002, 2006
March 20 34
1982
March 21 35
2000, 2006
March 22 32
1982
March 23 31
1982
March 24 32
1935
March 25 30
1988
March 26 35
1985, 2020
March 27 36
1985
March 28 36
1937, 2007
March 29 35
1998
March 30 36
1949, 1977, 1985, 1998
March 31 34
2008
April 1 35
1929, 1951, 1967
April 2 32
1999
April 3 33
1984
April 4 30
1999
April 5 36
1999, 2003
April 6 30
1929
April 7 34
1978
April 8 32
2001
April 9 31
1984
April 10 34
1945, 1986
April 11 34
1965, 1983
April 12 34
1983
April 13 33
1983
April 14 32
1970
April 15 36
1970, 2009
April 16 35
1975, 1976
April 17 34
1933
April 18 33
1933, 1979
April 19 33
1932
April 20 31
1972
April 21 34
1963, 1970
April 22 34
1932
April 23 35
1970
April 24 38
1975
April 25 37
1974
April 26 29
1975
April 27 33
1984
April 28 33
1970
April 29 35
1967, 1970
April 30 36
1975
May 1 34
1990
May 2 34
1990
May 3 38
1986
May 4 36
1964
May 5 37
1986
May 6 35
1964
May 7 37
1930, 1950, 1988
May 8 34
1930
May 9 36
1933
May 10 34
1933
May 11 38
2002
May 12 38
1988
May 13 39
1991, 2000
May 14 38
1999
May 15 35
1999
May 16 39
1971, 1999
May 17 40
1940
May 18 36
1974, 1985
May 19 36
1974
May 20 36
1974
May 21 36
1974
May 22 36
1974
May 23 37
2010
May 24 37
1978
May 25 39
1980
May 26 40
1980
May 27 34
1987
May 28 37
1987
May 29 32
1987
May 30 40
1967, 1976, 2000
May 31 39
1987, 2000
June 1 37
1991
June 2 40
1933
June 3 40
1943
June 4 41
1962, 1976, 2001
June 5 41
1939, 1976
June 6 40
1932, 1976
June 7 38
1999
June 8 38
1999
June 9 39
1999
June 10 41
1929
June 11 38
1929
June 12 44
2004
June 13 39
1988
June 14 40
1941
June 15 41
1991
June 16 43
1928, 1991
June 17 44
1928, 2002, 2010
June 18 40
1933
June 19 44
1979, 2010
June 20 45
1943, 2010
June 21 42
1933, 1991
June 22 41
1933
June 23 42
1933
June 24 43
1935
June 25 45
1952, 1956
June 26 41
1953
June 27 40
1929
June 28 39
1997
June 29 35
1988
June 30 45
1935, 1949, 1953, 1955, 1971, 1984, 1990
July 1 44
1973
July 2 42
1975
July 3 45
1971
July 4 44
1999
July 5 44
1971, 1987
July 6 45
1949
July 7 45
1934, 1935
July 8 45
1934, 1935
July 9 45
1935
July 10 45
1979
July 11 41
1971
July 12 42
1932
July 13 46
2000
July 14 47
1966
July 15 42
1948
July 16 42
1948
July 17 43
1948
July 18 45
1987
July 19 44
1987
July 20 45
1987
July 21 47
1943
July 22 46
1929, 1987
July 23 45
1930
July 24 47
1932
July 25 45
1932
July 26 36
1987
July 27 48
1989
July 28 45
1930
July 29 47
1999
July 30 45
1932
July 31 49
1932, 1963, 1975, 1986, 1992, 1999
August 1 44
1932
August 2 42
1942
August 3 42
1942
August 4 47
1928, 1956
August 5 48
1930, 1970, 1989
August 6 45
1970
August 7 44
1970
August 8 42
1970
August 9 41
1970
August 10 40
1970
August 11 46
1932
August 12 47
2000
August 13 48
1969, 1989
August 14 47
1988
August 15 45
1999
August 16 47
1988
August 17 47
1988
August 18 47
1944
August 19 47
2000
August 20 47
1990
August 21 46
2002
August 22 41
1987
August 23 46
1992
August 24 45
1930, 1944
August 25 47
1960, 1968
August 26 45
1968
August 27 46
1968, 1973
August 28 45
1942
August 29 46
1930, 1944, 1969
August 30 43
1942
August 31 47
1946, 1966
September 1 42
1963
September 2 46
1930
September 3 42
1930
September 4 41
1930
September 5 38
1930
September 6 43
1930
September 7 43
1954, 2002
September 8 44
2002
September 9 44
1964
September 10 44
1933
September 11 43
1946
September 12 45
1931, 1934, 1985
September 13 42
1952
September 14 43
1970
September 15 43
1952, 1974
September 16 45
1974, 1980, 1986, 1992
September 17 43
1986
September 18 41
1974
September 19 41
1989
September 20 44
1944, 1968, 1999
September 21 45
1944, 1970
September 22 43
1970
September 23 41
1962
September 24 42
1929
September 25 42
1948
September 26 40
1948
September 27 44
2013
September 28 43
1964
September 29 42
1948, 2019
September 30 41
1954
October 1 39
1950
October 2 39
1929
October 3 39
2002
October 4 41
2002
October 5 41
1927
October 6 42
1962
October 7 44
1954, 1982, 1988, 2005
October 8 35
1995
October 9 39
1949, 1985
October 10 41
1930, 1931, 1960, 1961
October 11 40
2019
October 12 39
1981
October 13 38
1928, 1981, 2019
October 14 38
1928
October 15 39
1928, 1931, 1981
October 16 40
1938
October 17 40
2003
October 18 38
1949
October 19 38
1949
October 20 35
1949
October 21 39
1949
October 22 40
1932, 1996
October 23 39
1953
October 24 41
1933
October 25 38
2002
October 26 39
1949, 1971
October 27 31
1929
October 28 30
1971
October 29 36
1946
October 30 37
1974, 2019
October 31 33
1971, 2019
November 1 34
2019
November 2 34
2019
November 3 34
1935
November 4 36
2003
November 5 37
2003, 2011
November 6 36
1974, 1986
November 7 30
1986
November 8 35
1935
November 9 36
1938, 2000
November 10 34
2012
November 11 29
2000
November 12 33
1985
November 13 28
2000
November 14 33
1929, 2000
November 15 33
1930, 1935, 2000
November 16 30
1998
November 17 33
1964
November 18 31
1988
November 19 30
2000
November 20 29
2000
November 21 30
1987
November 22 32
2004
November 23 27
1931
November 24 26
1988
November 25 25
1988
November 26 30
2010
November 27 33
2010
November 28 31
1974
November 29 29
2004
November 30 30
1933
December 1 30
1933
December 2 33
1978, 1991, 2004, 2007
December 3 31
2011
December 4 30
2011
December 5 31
1982
December 6 25
2013
December 7 29
1978
December 8 29
2009
December 9 28
2013
December 10 30
1972
December 11 24
1972
December 12 26
1972
December 13 28
1972
December 14 29
1967
December 15 31
1987
December 16 28
1967
December 17 28
1971, 1984
December 18 24
1971
December 19 24
1971
December 20 24
1971
December 21 30
1967, 1990, 1998, 2012
December 22 26
1968
December 23 17
1990
December 24 20
1998
December 25 27
1948
December 26 26
1987
December 27 29
2015
December 28 30
1962, 1988
December 29 29
1962
December 30 28
1930
December 31 30
1947, 2000
Years with the Most Daily Records
Which years set the greatest number of daily low temperature records in San Luis Obispo history?
Rank
Year
Records Set
1
1999
17
2
1987
17
3
2002
16
4
1970
16
5
2000
15
6
1971
15
7
1949
15
8
1930
15
9
1933
14
10
1988
13
Daily Records by Decade
This table shows the number of daily low temperature records in San Luis Obispo that were set in each decade since 1893.
Decade
Records Set
1920s
20
1930s
72
1940s
44
1950s
24
1960s
43
1970s
72
1980s
72
1990s
45
2000s
59
2010s
32
2020s
4
Weather Station Details
Years
Station
Coordinates
1999–2024
San Luis Obispo Airport
location
1893–1998
San Luis Obispo Poly
location