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Total Seasonal Rainfall (Precipitation)

Pasadena, California
1906-2018

See also:
Total Seasonal Rainfall - Downtown Los Angeles
Total Seasonal Rainfall - Los Angeles International Airport
Total Seasonal Rainfall - Burbank
Total Seasonal Rainfall - Lancaster
Total Seasonal Rainfall - Long Beach
Total Seasonal Rainfall - Palmdale
Total Seasonal Rainfall - Sandberg
Total Seasonal Rainfall - Santa Catalina Island
Total Seasonal Rainfall - Van Nuys, Los Angeles
Total Seasonal Rainfall - Westwood, Los Angeles
Total Seasonal Rainfall - Woodland Hills, Los Angeles

NOTE: When most weather reporting sources cite weather in Los Angeles (without specifying where, exactly, in Los Angeles), these numbers are typically for the Downtown Los Angeles weather station (actually located on the USC campus).

Average for seasons 1906 through 2017: 19.70 inches*

Season (July 1-June 30) Total Inches of Rainfall Inches Above/Below (+/-)
Overall Season Average
2018-2019 See month-by-month numbers as season unfolds.
2017-2018 8.04 -11.66
2016-2017 21.13 +1.43
2015-2016 14.74 -4.96
2014-2015 14.32 -5.38
2013-2014 8.03 -11.67
2012-2013 9.01 -10.69
2011-2012 13.38 -6.32
2010-2011 28.35 +8.65
2009-2010 25.11 +5.41
2008-2009 16.12 -3.58
2007-2008 22.40 +2.70
2006-2007 4.17 -15.53
2005-2006** 17.43 -2.27
2004-2005** 55.62 +35.92
2003-2004 14.20 -5.50
2002-2003 19.98 +0.28
2001-2002 7.24 -12.46
2000-2001 18.64 -1.06
1999-2000 17.88 -1.82
1998-1999 11.56 -8.14
1997-1998 39.17 +19.47
1996-1997 16.82 -2.88
1995-1996 17.83 -1.87
1994-1995 36.49 +16.79
1993-1994 10.95 -8.75
1992-1993 39.50 +19.80
1991-1992 30.18 +10.48
1990-1991 18.48 -1.22
1989-1990 12.13 -7.57
1988-1989 11.78 -7.92
1987-1988** 18.07 -1.63
1986-1987 11.72 -7.98
1985-1986 22.32 +2.62
1984-1985 16.92 -2.78
1983-1984 14.02 -5.68
1982-1983 43.62 +23.92
1981-1982 18.53 -1.17
1980-1981 11.72 -7.98
1979-1980 39.59 +19.89
1978-1979** 17.28 -2.42
1977-1978** 39.58 +19.88
1976-1977 17.57 -2.13
1975-1976 9.58 -10.12
1974-1975 15.49 -4.21
1973-1974** 16.65 -3.05
1972-1973 26.19 +6.49
1971-1972 8.34 -11.36
1970-1971 16.33 -3.37
1969-1970 11.43 -8.27
1968-1969 32.76 +13.06
1967-1968 16.33 -3.37
1966-1967 26.20 +6.50
1965-1966 25.14 +5.44
1964-1965 14.92 -4.78
1963-1964 12.02 -7.68
1962-1963 10.18 -9.52
1961-1962 22.89 +3.19
1960-1961 7.18 -12.52
1959-1960** 9.33 -10.37
1958-1959** 10.26 -9.44
1957-1958 30.58 +10.88
1956-1957 15.64 -4.06
1955-1956 18.70 -1.00
1954-1955 16.00 -3.70
1953-1954 16.47 -3.23
1952-1953 13.98 -5.72
1951-1952 36.83 +17.13
1950-1951 11.80 -7.90
1949-1950** 14.73 -4.97
1948-1949 11.82 -7.88
1947-1948 10.79 -8.91
1946-1947** 20.44 +0.74
1945-1946** 16.99 -2.71
1944-1945 16.40 -3.30
1943-1944** 25.44 +5.74
1942-1943 33.33 +13.63
1941-1942 14.71 -4.99
1940-1941 46.32 +26.62
1939-1940** 22.61 +2.91
1938-1939 17.84 -1.86
1937-1938 31.38 +11.68
1936-1937 28.81 +9.11
1935-1936 15.97 -3.73
1934-1935 26.98 +7.28
1933-1934 21.14 +1.44
1932-1933 16.35 -3.35
1931-1932 22.35 +2.65
1930-1931 17.35 -2.35
1929-1930 16.33 -3.37
1928-1929 15.88 -3.82
1927-1928** 11.81 -7.89
1926-1927 25.17 +5.47
1925-1926** 21.86 +2.16
1924-1925 12.85 -6.85
1923-1924 9.59 -10.11
1922-1923 13.48 -6.22
1921-1922** 29.61 +9.91
1920-1921 19.41 -0.29
1919-1920** 19.39 -0.31
1918-1919 13.43 -6.27
1917-1918** 19.83 +0.13
1916-1917** 19.42 -0.28
1915-1916 25.02 +5.32
1914-1915 22.02 +2.32
1913-1914 34.12 +14.42
1912-1913 18.04 -1.66
1911-1912 17.80 -1.90
1910-1911 24.15 +4.45
1909-1910 17.99 -1.71
1908-1909 27.29 +7.59
1907-1908** 15.59 -4.11
1906-1907** 21.28 +1.58

* Average as calculated over period 1906-2018. The "Normal" or average seasonal precipitation for Pasadena typically provided by the National Weather Service is 21.24 inches, based upon the average for seasons 1981 through 2010.
** One or more months during the season was missing data for five or more days.

Source: National Weather Service Forecast Office, Los Angeles/Oxnard and Western Regional Climate Center.