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Historical Monthly Rainfall by Season

Westwood, Los Angeles, California
(UCLA Campus)
1933-Present


Also see:
-- Totals for Each Rainfall Season - Historical - Westwood

-- Monthly Rainfall by Season - Downtown Los Angeles
-- Monthly Rainfall by Season - Beverly Hills
-- Monthly Rainfall by Season - Burbank
-- Monthly Rainfall by Season - Claremont
-- Monthly Rainfall by Season - Hawthorne
-- Monthly Rainfall by Season - Lancaster
-- Monthly Rainfall by Season - Long Beach
-- Monthly Rainfall by Season - Los Angeles International Airport
-- Monthly Rainfall by Season - Palmdale
-- Monthly Rainfall by Season - Pasadena
-- Monthly Rainfall by Season - Sandberg
-- Monthly Rainfall by Season - Santa Catalina Island
-- Monthly Rainfall by Season - Santa Clarita
-- Monthly Rainfall by Season - Santa Fe Dam (San Gabriel Valley)
-- Monthly Rainfall by Season - Santa Monica
-- Monthly Rainfall by Season - Torrance
-- Monthly Rainfall by Season - Van Nuys, Los Angeles
-- Monthly Rainfall by Season - Whittier
-- Monthly Rainfall by Season - Woodland Hills, Los Angeles


Also see our current rainfall season page for this weather station.


Why our “Rainfall Season” is different than that of the National Weather Service


Quantity is measured in inches. T = Trace amount.

Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
Current Normals* 0.03 0.01 0.15 0.72 0.99 2.93 4.14 4.73 2.73 0.77 0.42 0.11 17.73
2024-2025 0.00 0.00 0.00 0.00 0.10 T --- --- --- --- --- --- 0.10 (1)
2023-2024 0.00 3.52 0.17 0.00 0.40 3.99 1.75 19.30 5.74 0.65 0.10 0.00 35.62
2022-2023 0.00 0.00 0.42 0.04 1.79 3.41 13.87 7.13 9.65 0.01 0.78 T 37.10
2021-2022 0.12 0.03 0.04 0.83 0.00 10.76 0.12 0.01 1.05 0.55 0.00 0.00 13.51
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
2020-2021 0.00 0.00 0.00 0.00 0.02 1.93 1.73 T 1.07 0.00 T T † 4.75
2019-2020 T 0.00 0.05 0.00 1.93 5.27 0.46 0.36 4.96 2.57 0.12 0.00 15.72
2018-2019 0.18 0.00 0.00 0.69 2.29 2.60 8.18 6.44 3.26 0.04 2.02 0.01 25.71
2017-2018 0.00 T 0.12 0.01 0.11 0.00 1.67 0.11 5.12 0.03 0.39 0.00 7.56
2016-2017 0.00 0.00 T 0.32 1.27 5.02 8.99 5.55 0.29 0.20 0.15 0.06 21.85
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
2015-2016 0.23 T 2.62 0.01 0.04 0.93 3.28 0.69 2.23 0.31 0.05 0.01 10.17
2014-2015 0.00 0.02 0.00 0.00 0.50 4.33 1.44 0.61 1.13 0.35 0.79 0.04 9.21
2013-2014 0.04 0.00 0.00 0.12 0.70 0.24 0.04 3.74 0.95 0.22 0.00 0.00 6.01
2012-2013 0.03 0.00 T 0.07 1.77 2.69 1.46 0.17 0.96 T 0.48 0.00 7.60
2011-2012 0.00 0.00 0.07 1.73 2.36 0.79 1.53 0.24 2.27 1.82 0.01 0.00 10.82
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
2010-2011 0.03 0.00 0.00 1.87 0.69 11.23 0.93 3.26 6.27 0.00 0.64 0.04 24.93
2009-2010 0.00 0.00 0.00 3.11 T 3.86 5.89 6.33 0.51 1.18 0.18 0.01 21.07
2008-2009 0.00 0.00 0.00 0.01 1.25 3.57 0.76 4.54 0.46 0.03 0.00 0.18 10.80
2007-2008 0.01 0.00 0.84 1.13 0.57 2.00 8.89 2.48 0.04 0.07 0.21 0.00 16.23
2006-2007 0.00 0.00 T 0.06 0.14 0.67 0.58 1.10 0.01 0.50 T 0.00 3.06
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
2005-2006 0.00 0.00 0.18 1.13 0.61 1.56 2.78 2.86 3.63 3.26 0.86 0.01 16.88
2004-2005 0.00 0.00 0.00 5.24 0.24 7.54 12.40 11.91 2.58 1.32 0.47 T 41.70
2003-2004 0.02 0.06 0.00 0.01 0.92 1.88 0.83 6.96 0.81 0.05 0.00 0.00 11.52
2002-2003 0.00 T 0.03 0.03 2.35 4.42 0.02 5.52 4.86 0.76 1.43 0.07 19.49
2001-2002 0.01 0.00 0.00 0.09 2.63 1.45 1.47 0.31 0.31 0.10 0.09 0.01 6.46
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
2000-2001 0.00 0.11 0.15 1.84 0.00 0.02 7.76 10.66 1.98 1.76 0.00 0.01 24.29
1999-2000 0.02 0.00 0.02 0.00 0.66 0.03 1.28 7.60 3.00 1.85 0.01 0.00 14.45
1998-1999 T 0.00 0.08 0.01 1.98 0.59 1.56 0.54 2.15 2.74 T 0.77 10.42
1997-1998 0.00 0.00 0.28 0.00 2.95 4.47 4.56 20.51 5.28 1.66 3.68 0.16 43.55
1996-1997 T 0.00 0.00 1.79 2.08 6.82 6.89 0.17 0.00 0.00 0.00 T 17.75
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1995-1996 0.01 0.00 0.03 0.01 0.02 1.94 2.17 5.94 2.56 0.88 0.09 0.00 13.64
1994-1995 0.00 0.00 0.00 0.24 0.86 1.68 20.11 2.15 8.39 0.87 0.61 0.44 35.35
1993-1994 T 0.00 0.01 0.27 0.65 1.10 0.28 5.37 1.34 0.53 0.19 0.00 9.74
1992-1993 0.16 0.00 0.00 1.25 0.00 ---(2) 14.19 13.11 2.95 0.00 T 1.29 32.79(3)
1991-1992 0.16 0.02 T 0.37 0.01 3.73 2.51 9.20 6.97 0.10 0.04 0.00 22.95
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1990-1991 0.00 0.04 0.00 0.00 0.72 0.03 1.24 3.43 6.64 T 0.00 0.03 12.13
1989-1990 0.00 0.00 0.22 0.52 0.54 0.00 1.20 5.92 0.16 0.68 1.13 0.00 10.37
1988-1989 0.00 0.04 0.01 T 1.13 4.84 0.62 2.04 1.29 T 0.03 0.00 10.00
1987-1988 0.09 T 0.01 4.76 1.12 2.03 2.27 2.45 0.54 2.93 0.00 T 16.11
1986-1987 0.03 0.00 2.81 0.21 1.39 0.34 1.59 1.17 1.36 0.02 T 0.12 9.01
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1985-1986 T 0.00 0.10 0.46 5.05 0.75 2.77 8.78 5.17 0.46 0.00 T 23.54
1984-1985 0.00 0.03 0.19 0.21 1.82 4.19 0.78 2.46 2.02 0.00 0.11 0.00 11.81
1983-1984 0.00 0.98 1.22 1.95 3.66 4.05 0.04 T 0.27 0.47 T 0.03 12.67
1982-1983 0.00 0.07 1.16 0.29 4.83 1.61 8.99 6.40 9.52 4.26 0.05 0.01 37.19
1981-1982 0.00 0.00 0.01 0.38 2.03 0.73 2.57 0.52 5.93 2.25 0.06 0.01 14.49
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1980-1981 0.01 T 0.00 0.00 0.00 2.05 2.71 1.67 4.49 0.46 0.01 T 11.39
1979-1980 0.00 T 0.11 0.66 0.42 1.14 ---(2) 18.37 4.80 0.92 0.19 T 26.61(3)
1978-1979 0.00 0.09 0.58 0.09 1.89 1.35 7.12 3.15 5.32 0.00 0.03 0.01 19.63
1977-1978 0.00 3.23 0.05 0.02 0.12 ---(2) ---(2) 10.40 ---(2) ---(2) T 0.00 13.82(3)
1976-1977 T 0.04 2.33 0.03 0.45 1.39 4.07 0.27 1.42 0.00 3.70 0.11 13.81
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1975-1976 T 0.00 0.09 0.50 T 0.08 0.00 2.82 1.25 0.63 T 0.19 5.56
1974-1975 T 0.00 0.00 0.51 0.01 5.21 0.02 4.29 4.07 1.32 0.01 0.00 15.44
1973-1974 T T 0.06 0.28 1.92 1.49 9.86 0.16 4.04 0.07 0.03 0.00 17.91
1972-1973 T 0.15 T 0.29 3.89 1.96 4.85 8.55 3.15 T 0.02 0.00 22.86
1971-1972 T 0.00 0.02 0.06 0.40 7.46 T 0.13 0.00 0.04 0.02 0.19 8.32
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1970-1971 T 0.00 0.00 0.03 6.32 5.58 1.14 0.55 0.90 0.90 0.29 0.00 15.71
1969-1970 0.25 0.00 T T 1.97 0.02 2.05 3.11 1.86 T 0.00 0.02 9.03
1968-1969 0.07 0.34 0.00 0.52 0.39 1.41 17.47 7.02 1.01 0.55 0.04 T 28.75
1967-1968 0.00 0.00 0.90 0.00 8.63 2.53 1.02 0.41 4.81 0.57 T 0.00 18.87
1966-1967 0.02 T 0.24 0.05 3.16 5.55 5.09 0.08 2.95 3.90 0.13 T 21.15
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1965-1966 0.02 0.16 0.18 0.00 11.30 4.82 1.04 1.68 0.27 T 0.65 0.00 20.10
1964-1965 T 0.00 T 0.49 1.85 3.43 0.86 0.49 1.73 4.86 T 0.09 13.80
1963-1964 0.00 0.29 0.86 0.65 3.35 0.03 1.58 T 1.92 0.70 T 0.34 9.72
1962-1963 T 0.00 0.00 0.33 T T 0.39 3.30 3.26 1.78 0.01 0.15 9.22
1961-1962 T 0.23 0.05 T 2.61 1.83 3.32 15.66 1.29 0.00 0.05 T 25.04
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1960-1961 T 0.00 0.00 T 3.30 0.30 1.47 0.00 0.77 0.28 T T 6.12
1959-1960 T T T T 0.01 1.34 4.12 2.96 0.25 2.50 T T 11.18
1958-1959 0.00 0.02 0.05 0.01 0.05 0.02 1.98 5.48 0.00 0.86 T 0.03 8.50
1957-1958 T 0.00 0.00 1.42 0.53 3.41 2.46 8.55 5.71 3.02 T 0.00 25.10
1956-1957 0.00 T 0.00 0.17 0.00 0.28 7.07 3.83 0.98 1.88 0.59 0.12 14.92
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1955-1956 T T T T 1.91 1.88 8.90 1.42 T 3.49 0.56 0.00 18.16
1954-1955 T T T 0.00 1.88 1.54 5.40 0.99 0.79 2.71 0.72 T 14.03
1953-1954 T 0.00 T 0.00 1.47 0.09 5.91 6.35 3.97 0.21 0.03 0.02 18.05
1952-1953 T 0.00 0.02 0.00 4.14 3.81 1.66 0.02 0.53 2.26 T 0.05 12.49
1951-1952 T 0.26 0.02 0.48 1.56 6.57 11.71 0.35 9.35 1.91 T T 32.21
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1950-1951 T 0.00 0.26 0.68 1.35 0.03 3.70 0.84 0.59 2.11 0.03 0.01 9.60
1949-1950 T 0.01 T T 1.63 3.96 3.82 0.40 1.17 0.56 0.01 0.03 11.59
1948-1949 T 0.00 0.00 0.20 T 2.87 3.61 1.94 2.03 0.05 0.82 T 11.52
1947-1948 0.00 0.02 0.03 0.04 0.13 1.50 0.04 1.22 3.45 1.03 0.01 0.30 7.77
1946-1947 T 0.00 0.02 1.06 8.12 4.26 0.70 0.90 0.98 0.02 0.05 0.01 16.12
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1945-1946 T 0.01 0.00 0.74 0.31 5.59 0.20 1.82 3.88 0.54 0.08 0.00 13.17
1944-1945 0.00 0.00 0.03 0.05 4.32 1.10 0.05 4.48 4.80 0.04 T 0.03 14.90
1943-1944 0.00 ---(2) ---(2) 0.21 0.29 6.61 1.27 8.13 2.39 0.72 0.06 0.02 19.70(3)
1942-1943 0.00 0.32 ---(2) 0.75 T 1.74 7.98 2.69 3.36 0.66 0.02 0.02 17.54(3)
1941-1942 0.01 0.01 0.00 2.00 0.07 4.27 0.48 1.49 1.50 3.36 0.00 0.00 13.18
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1940-1941 T ---(2) ---(2) 1.36 0.28 8.35 ---(2) ---(2) 9.77 ---(2) 0.50 0.00 20.26(3)
1939-1940 T ---(2) 2.03 0.17 0.27 0.70 6.55 7.05 1.05 1.32 0.02 ---(2) 19.16(3)
1938-1939 ---(2) T 0.02 0.01 ---(2) 7.51 3.64 1.41 1.04 0.24 0.07 ---(2) 13.94(3)
1937-1938 ---(2) ---(2) ---(2) ---(2) T 4.49 1.19 9.97 10.85 0.38 0.27 0.04 27.19(3)
1936-1937 0.01 0.02 ---(2) 2.24 0.08 6.89 2.69 8.65 4.56 0.31 0.19 T 25.63(3)
Season Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season Total
1935-1936 ---(2) 0.16 0.02 0.14 1.62 0.82 0.44 ---(2) 2.14 1.19 ---(2) 0.04 6.57(3)
1934-1935 ---(2) ---(2) 0.08 1.11 2.14 4.16 3.14 2.05 4.44 4.50 T ---(2) 21.62(3)
1933-1934 T 0.03 ---(2) 0.56 0.02 10.67 3.80 1.70 T 0.09 ---(2) 0.83 17.70(3)

* Normals, reissued every ten years, were updated on May 4, 2021. The latest normals are National Centers For Environmental Information data, used by the National Weather Service, based upon an average over 30-years, covering 1991 through 2020.

† Complete data are not yet available for this month. For reasons unknown to the Almanac, data for this station ceased to be reported after Nov. 4, 2022. An update will be made upon release of all data for the month.
(1) Seasonal rainfall through latest full month.
(2) At least 26 days or more of data were missing for this month.
(3) Due to one or more months of missing data this season, accumulated numbers cannot fairly reflect a complete season total.

Source: Western Regional Climate Center