Desert rainfall. Photo by Ronald Carlson, courtesy PublicDomainPictures.net.
Also see:
Monthly Precipitation for Downtown Los Angeles
Monthly Precipitation for Los Angeles International Airport
Monthly Precipitation for Burbank
Monthly Precipitation for Lancaster
Monthly Precipitation for Long Beach
Monthly Precipitation for Pasadena
Monthly Precipitation for Sandberg
Monthly Precipitation for Santa Catalina Island
Monthly Precipitation for Van Nuys, Los Angeles
Monthly Precipitation for Westwood, Los Angeles
Monthly Precipitation for Woodland Hills, Los Angeles
Why our “Rainfall Season” is different than that of the National Weather Service
Quantity is measured in inches
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season Avg.* | 0.09 | 0.07 | 0.15 | 0.31 | 0.63 | 0.78 | 1.05 | 1.04 | 0.58 | 0.31 | 0.10 | 0.03 | 5.10 |
| 2019-2020 | 0.03 | 0.00 | 0.00 | 0.00 | --- | --- | --- | --- | --- | --- | --- | --- | 0.03 (1) |
| 2018-2019 | 0.00 | 0.00 | 0.00 | 0.00 | 0.44 | 1.82 | 2.02 | 2.27 | 0.99 | T | 0.41 | T | 7.40 |
| 2017-2018 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.94 | 0.50 | 1.95 | 0.00 | 0.00 | 0.00 | 3.40 |
| 2016-2017 | 0.00 | 0.00 | 0.00 | 0.11 | 0.32 | 2.21 | 3.01 | 1.82 | 0.04 | 0.10 | 0.00 | 0.00 | 7.61 |
| 2015-2016 | 1.23 | 0.00 | 0.50 | 0.87 | 0.38 | 0.68 | 1.55 | 0.35 | 1.40 | 0.14 | 0.05 | 0.00 | 7.15 |
| 2014-2015 | 0.00 | 0.00 | 0.05 | 0.00 | 0.26 | 3.02 | 1.10 | 0.49 | 0.22 | 0.11 | 0.12 | 0.00 | 5.37 |
| 2013-2014 | 0.02 | 0.00 | 0.00 | 0.37 | 1.32 | 0.10 | 0.03 | 1.44 | 0.39 | 0.27 | 0.50 | 0.00 | 4.44 |
| 2012-2013 | 0.00 | 0.10 | 0.00 | 0.00 | 0.11 | 0.26 | 0.50 | 0.20 | 0.23 | 0.00 | 0.15 | 0.00 | 1.55 |
| 2011-2012 | 0.00 | ---(2) | ---(2) | ---(2) | 0.38 | 0.40 | 0.06 | 0.54 | 1.10 | 0.71 | 0.00 | 0.00 | 3.19(3) |
| 2010-2011 | 0.68 | 0.00 | 0.00 | 2.06 | 0.38 | 4.67 | ---(2) | 1.24 | ---(2) | ---(2) | ---(2) | ---(2) | 9.03(3) |
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
| 2009-2010 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 1.19 | 3.62 | 2.13 | 0.32 | 0.71 | 0.00 | 0.00 | 8.01 |
| 2008-2009 | 0.00 | 0.00 | 0.00 | 0.00 | 1.47 | 1.52 | 0.00 | 2.81 | 0.23 | 0.00 | 0.00 | 0.00 | 6.03 |
| 2007-2008 | 0.00 | 0.00 | 0.62 | 0.01 | 0.75 | 0.00 | 3.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.83 |
| 2006-2007 | 0.00 | 0.00 | 0.00 | 0.42 | 0.00 | 0.43 | 0.11 | 0.42 | 0.00 | 0.03 | 0.00 | 0.00 | 1.41 |
| 2005-2006 | 0.22 | 0.10 | 0.73 | 1.76 | 0.00 | 0.08 | 0.64 | 1.36 | 1.53 | 1.26 | 0.00 | 0.11 | 7.79 |
| 2004-2005 | 0.00 | 0.00 | 0.00 | 3.53 | 0.46 | 4.27 | 3.91 | 5.60 | 0.93 | 0.96 | 0.25 | 0.00 | 19.91 |
| 2003-2004 | 0.09 | 0.00 | 0.01 | 0.00 | 0.55 | 0.96 | 0.02 | 3.24 | 0.25 | 0.06 | 0.00 | 0.00 | 5.18 |
| 2002-2003 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 1.54 | 0.00 | 3.79 | 2.03 | 0.77 | 0.41 | 0.00 | 8.93 |
| 2001-2002 | 0.00 | 0.00 | 0.00 | 0.17 | 0.75 | 0.56 | 0.49 | 0.05 | 0.14 | 0.04 | 0.02 | 0.00 | 2.22 |
| 2000-2001 | 0.00 | 0.21 | 0.00 | 0.19 | 0.00 | 0.00 | 1.69 | 2.51 | 0.63 | 0.83 | 0.00 | 0.00 | 6.06 |
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
| 1999-2000 | 0.57 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.22 | 1.85 | 0.81 | 0.79 | 0.00 | 0.00 | 4.27 |
| 1998-1999 | 0.00 | 0.00 | 0.36 | 0.03 | 0.45 | 0.13 | 0.35 | 0.23 | 0.19 | 0.83 | 0.00 | 0.06 | 2.63 |
| 1997-1998 | 0.00 | 0.00 | 1.20 | 0.20 | 0.91 | 2.46 | 1.10 | 6.35 | 1.96 | 0.89 | 1.01 | 0.00 | 16.08 |
| 1996-1997 | 0.00 | 0.13 | 0.00 | 0.93 | 0.41 | 1.19 | 0.81 | 0.05 | 0.00 | 0.14 | 0.00 | 0.00 | 3.66 |
| 1995-1996 | 0.03 | 0.02 | 0.00 | 0.00 | 0.03 | 0.73 | 0.29 | 2.36 | 0.42 | 0.00 | 0.00 | 0.00 | 3.88 |
| 1994-1995 | 0.00 | 0.00 | 0.00 | 0.07 | 0.21 | 0.69 | 5.35 | 0.44 | 2.25 | 0.13 | 0.00 | 0.07 | 9.21 |
| 1993-1994 | 0.00 | 0.00 | 0.00 | 0.00 | 0.46 | 0.26 | 0.31 | 1.39 | 0.79 | 0.03 | 0.35 | 0.00 | 3.59 |
| 1992-1993 | 0.06 | 0.52 | 0.00 | 0.43 | 0.00 | 3.02 | 7.50 | 4.86 | 0.99 | 0.00 | 0.00 | 0.37 | 17.75 |
| 1991-1992 | 0.21 | 0.01 | 0.11 | 0.31 | 0.00 | 2.00 | 2.05 | 4.96 | 2.52 | 0.23 | 0.10 | 0.00 | 12.50 |
| 1990-1991 | 0.00 | 0.16 | 0.00 | 0.00 | 0.22 | 0.01 | 1.20 | 1.11 | 4.17 | 0.00 | 0.00 | 0.00 | 6.87 |
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
| 1989-1990 | 0.00 | 0.00 | 0.46 | 0.00 | 0.11 | 0.00 | 0.80 | 0.99 | 0.15 | 0.08 | 0.02 | 0.02 | 2.63 |
| 1988-1989 | 0.11 | 0.06 | 0.00 | 0.00 | 0.02 | 1.71 | 0.47 | 1.29 | 0.06 | 0.00 | 0.24 | 0.00 | 3.96 |
| 1987-1988 | 0.00 | 0.00 | 0.49 | 2.05 | 1.36 | 0.99 | 1.39 | 0.79 | 0.77 | 0.81 | 0.12 | 0.03 | 8.80 |
| 1986-1987 | 0.07 | 0.12 | 0.00 | 0.01 | 0.00 | 0.74 | 0.63 | 0.47 | 0.37 | 0.00 | 0.20 | 0.71 | 3.32 |
| 1985-1986 | 0.00 | 0.00 | 0.04 | 0.19 | 0.90 | 0.00 | 0.00 | 2.44 | 1.76 | 0.03 | 0.00 | 0.00 | 5.36 |
| 1984-1985 | 0.50 | 0.23 | 0.15 | 0.00 | 0.61 | 5.27 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.98 |
| 1983-1984 | 0.00 | 0.58 | 0.05 | 0.87 | 0.88 | 1.41 | 0.00 | 0.02 | 0.08 | 0.00 | 0.00 | 0.05 | 3.94 |
| 1982-1983 | 0.00 | 0.00 | 0.43 | 0.00 | 2.01 | 0.96 | 2.89 | 2.74 | 5.22 | 0.80 | 0.00 | 0.00 | 15.05 |
| 1981-1982 | 0.00 | 0.00 | 0.00 | 0.40 | 1.28 | 0.00 | 1.63 | 0.91 | 2.69 | 2.47 | 0.19 | 0.00 | 9.57 |
| 1980-1981 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 1.64 | 0.58 | 2.11 | 0.17 | 0.00 | 0.00 | 4.76 |
| 1979-1980 | 0.00 | 0.00 | 0.00 | 0.11 | 0.22 | 0.09 | 3.14 | 6.42 | 3.02 | 0.10 | 0.66 | 0.00 | 13.76 |
| 1978-1979 | 0.00 | 0.00 | 0.92 | 0.06 | 0.69 | 1.00 | 4.73 | 1.28 | 2.61 | 0.00 | 0.00 | 0.00 | 11.29 |
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
| 1977-1978 | 0.00 | 1.25 | 0.00 | 0.00 | 0.03 | 3.22 | 2.28 | 3.53 | 3.65 | 1.10 | 0.00 | 0.00 | 15.06 |
| 1976-1977 | 0.00 | 0.00 | 2.12 | 0.04 | 0.22 | 0.17 | 2.92 | 0.02 | 0.40 | 0.00 | 1.66 | 0.25 | 7.80 |
| 1975-1976 | 0.00 | 0.00 | 0.24 | 0.00 | 0.00 | 0.12 | 0.00 | 1.78 | 0.60 | 0.06 | 0.12 | 0.00 | 2.92 |
| 1974-1975 | 0.25 | 0.24 | 0.00 | 1.20 | 0.00 | 1.35 | 0.12 | 0.71 | 1.16 | 0.77 | 0.00 | 0.00 | 5.80 |
| 1973-1974 | 0.00 | 0.08 | 0.00 | 0.00 | 0.60 | 0.06 | 3.16 | 0.00 | 1.28 | 0.14 | 0.08 | 0.00 | 5.40 |
| 1972-1973 | 0.00 | 0.13 | 0.00 | 0.09 | 1.26 | 0.50 | 1.67 | 2.98 | 1.50 | 0.00 | 0.00 | 0.00 | 8.13 |
| 1971-1972 | 0.03 | 0.00 | 0.00 | 0.02 | 0.00 | 4.25 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.28 | 4.61 |
| 1970-1971 | 0.03 | 0.00 | 0.00 | 0.02 | 2.86 | 2.00 | 0.03 | 0.19 | 0.29 | 0.25 | 0.17 | 0.00 | 5.84 |
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
| 1969-1970 | 0.17 | 0.00 | 0.00 | 0.00 | 0.70 | 0.00 | 0.26 | 0.77 | 0.64 | 0.05 | 0.00 | 0.00 | 2.59 |
| 1968-1969 | 0.00 | 1.46 | 0.00 | 0.22 | 0.06 | 0.52 | 3.41 | 4.22 | 0.26 | 0.67 | 0.25 | 0.40 | 11.47 |
| 1967-1968 | 0.00 | 0.28 | 0.42 | 0.00 | 3.51 | 0.68 | 0.29 | 0.41 | 0.76 | 0.44 | 0.00 | 0.00 | 6.79 |
| 1966-1967 | 0.00 | 0.00 | 0.40 | 0.00 | 1.82 | 1.58 | 1.28 | 0.00 | 0.27 | 1.80 | 0.00 | 0.02 | 7.17 |
| 1965-1966 | 0.49 | 0.13 | 0.09 | 0.00 | 5.62 | 2.12 | 0.35 | 0.88 | 0.12 | 0.00 | 0.00 | 0.00 | 9.80 |
| 1964-1965 | 0.00 | 0.00 | 0.00 | 0.26 | 1.09 | 0.23 | 0.11 | 0.00 | 0.27 | 1.52 | 0.00 | 0.00 | 3.48 |
| 1963-1964 | 0.00 | 0.10 | 1.70 | 1.44 | 1.30 | 0.02 | 1.30 | 0.02 | 1.13 | 0.18 | 0.27 | 0.00 | 7.46 |
| 1962-1963 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.03 | 0.02 | 0.90 | 1.03 | 0.83 | 0.00 | 0.00 | 2.88 |
| 1961-1962 | 0.00 | 0.65 | 0.00 | 0.00 | 1.10 | 1.09 | 1.77 | 4.41 | 1.21 | 0.00 | 0.05 | 0.00 | 10.28 |
| 1960-1961 | 0.00 | 0.00 | 0.00 | 0.23 | 1.30 | 0.08 | 0.34 | 0.00 | 0.47 | 0.04 | 0.00 | 0.00 | 2.46 |
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
| 1959-1960 | 0.00 | 0.13 | 0.19 | 0.00 | 0.00 | 1.14 | 1.43 | 1.45 | 0.05 | 0.35 | 0.00 | 0.00 | 4.74 |
| 1958-1959 | 0.00 | 0.00 | 0.42 | 0.74 | 0.22 | 0.00 | 0.96 | 1.89 | 0.00 | 0.23 | 0.00 | 0.00 | 4.46 |
| 1957-1958 | 0.02 | 0.00 | 0.00 | 1.56 | 0.93 | 1.85 | 0.98 | 3.20 | 2.94 | 2.26 | 0.28 | 0.00 | 14.02 |
| 1956-1957 | 0.05 | 0.00 | 0.00 | 0.30 | 0.00 | 0.03 | 3.61 | 0.73 | 0.65 | 0.35 | 0.17 | 0.00 | 5.89 |
| 1955-1956 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 0.70 | 2.74 | 0.00 | 0.00 | 1.75 | 0.12 | 0.00 | 5.62 |
| 1954-1955 | 0.00 | 0.00 | 0.00 | 0.00 | 1.31 | 0.81 | 2.84 | 0.22 | 0.00 | 1.00 | 0.04 | 0.00 | 6.22 |
| 1953-1954 | 0.00 | 0.13 | 0.00 | 0.00 | 0.39 | 0.00 | 4.53 | 1.66 | 2.04 | 0.00 | 0.00 | 0.00 | 8.75 |
| 1952-1953 | 0.29 | 0.00 | 0.35 | 0.00 | 1.90 | 2.01 | 0.06 | 0.32 | 0.18 | 0.59 | 0.23 | 0.00 | 5.93 |
| 1951-1952 | 0.00 | 0.00 | 0.00 | 0.60 | 0.72 | 4.24 | 6.25 | 0.44 | 4.69 | 0.68 | 0.00 | 0.00 | 17.62 |
| 1950-1951 | 0.22 | 0.00 | 0.07 | 0.00 | 0.10 | 0.00 | 1.35 | 0.18 | 0.30 | 0.82 | 0.35 | 0.00 | 3.39 |
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
| 1949-1950 | 0.00 | 0.06 | 0.00 | 0.17 | 0.50 | 1.06 | 0.74 | 0.58 | 1.13 | 0.51 | 0.27 | 0.00 | 5.02 |
| 1948-1949 | 0.00 | 0.00 | 0.00 | 0.31 | 0.00 | 1.46 | 1.73 | 0.50 | 0.23 | 0.02 | 0.13 | 0.00 | 4.38 |
| 1947-1948 | 0.00 | 0.21 | 0.00 | 0.13 | 0.00 | 1.65 | 0.00 | 1.39 | 1.51 | 0.25 | 0.00 | 0.21 | 5.35 |
| 1946-1947 | 0.13 | 0.00 | 0.00 | 0.41 | 3.37 | 2.25 | 0.43 | 0.02 | 0.59 | 0.20 | 0.17 | 0.00 | 7.57 |
| 1945-1946 | 0.00 | 0.23 | 0.42 | 0.99 | 0.02 | 2.55 | 0.02 | 1.00 | 2.49 | 0.26 | 0.00 | 0.00 | 7.98 |
| 1944-1945 | 0.00 | 0.00 | 0.00 | 0.00 | 2.94 | 0.61 | 0.00 | 1.68 | 2.45 | 0.33 | 0.00 | 0.00 | 8.01 |
| 1943-1944 | 0.00 | 0.00 | 0.33 | 0.11 | 0.08 | 7.55 | 0.52 | 7.24 | 1.32 | 0.22 | 0.00 | 0.00 | 17.37 |
| 1942-1943 | 0.00 | 1.05 | 0.00 | 0.64 | 0.11 | 0.23 | 5.59 | 2.01 | 2.63 | 0.68 | 0.00 | 0.00 | 12.94 |
| 1941-1942 | 0.00 | 0.05 | 0.00 | 1.31 | 0.34 | 3.07 | 0.09 | 0.43 | 0.56 | 1.10 | 0.00 | 0.00 | 6.95 |
| 1940-1941 | 0.00 | 0.00 | 0.00 | 0.64 | 0.13 | 3.99 | 1.49 | 4.60 | 4.94 | 2.37 | 0.25 | 0.00 | 18.41 |
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
| 1939-1940 | 0.00 | 0.04 | 1.89 | 0.03 | 0.27 | 0.32 | 1.42 | 1.37 | 0.74 | 0.60 | 0.00 | 0.00 | 6.68 |
| 1938-1939 | 0.00 | 1.19 | 0.16 | 0.00 | 0.00 | 4.76 | 1.65 | 0.78 | 1.71 | 0.22 | 0.38 | 0.00 | 10.85 |
| 1937-1938 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 1.45 | 0.51 | 4.36 | 4.92 | 0.28 | 0.00 | 0.00 | 11.54 |
| 1936-1937 | 0.05 | 0.02 | 0.00 | 0.58 | 0.04 | 4.95 | 1.92 | 2.27 | 2.54 | 0.09 | 0.33 | 0.15 | 12.94 |
| 1935-1936 | 0.00 | 1.38 | 0.07 | 0.04 | 0.07 | 0.32 | 0.04 | 3.18 | 0.72 | 0.40 | 0.00 | 0.15 | 6.37 |
| 1934-1935 | 0.00 | 0.05 | 0.00 | 1.63 | 0.92 | 2.51 | 2.32 | 0.86 | 1.76 | 0.56 | 0.00 | 0.00 | 10.61 |
| 1933-1934 | 0.00 | 0.99 | 0.00 | 0.00 | 0.22 | 1.39 | 2.11 | 0.69 | 0.20 | 0.00 | 0.00 | 0.04 | 5.64 |
| 1932-1933 | ---(2) | ---(2) | 1.29 | 0.07 | 0.00 | 0.68 | 3.80 | 0.00 | 0.00 | 0.07 | 0.35 | 0.08 | 6.34(3) |
| 1931-1932 | 0.00 | 1.08 | 0.09 | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | 1.17(3) |
| 1930-1931 | 0.00 | 0.21 | 0.00 | 0.00 | 0.94 | 0.00 | ---(2) | ---(2) | ---(2) | 0.62 | 0.40 | 0.00 | 2.17(3) |
| Season | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season Total |
| 1929-1930 | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | 3.34 | 0.08 | 2.81 | 0.08 | 1.66 | ---(2) | 7.97(3) |
| 1928-1929 | 0.00 | 0.00 | 0.00 | 0.10 | 1.17 | 1.73 | 0.74 | 0.30 | 0.96 | ---(2) | ---(2) | ---(2) | 5.00(3) |
| 1927-1928 | ---(2) | ---(2) | ---(2) | 0.36 | 0.28 | 1.38 | 0.25 | 1.75 | 0.30 | 0.02 | 0.30 | 0.00 | 4.64(3) |
| 1926-1927 | ---(2) | ---(2) | ---(2) | ---(2) | 1.95 | 1.20 | 0.06 | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | 3.21(3) |
| 1925-1926 | 0.00 | 0.00 | 0.00 | 0.07 | 0.44 | 1.24 | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | ---(2) | 1.75(3) |
| 1924-1925 | 0.00 | 0.00 | 0.40 | 0.07 | 0.03 | 0.72 | 0.07 | 0.21 | 1.43 | 0.96 | 0.22 | 0.00 | 4.11 |
| 1923-1924 | 0.00 | 0.00 | 0.26 | 0.74 | 0.88 | 0.23 | 0.05 | 0.06 | 1.72 | 0.94 | 0.00 | 0.00 | 4.88 |
| 1922-1923 | 0.00 | 0.00 | 0.00 | 0.09 | 0.98 | 1.89 | 1.15 | ---(2) | 0.54 | 0.66 | 0.00 | 0.00 | 5.31(3) |
| 1921-1922 | ---(2) | ---(2) | 0.15 | 0.24 | 0.06 | 4.06 | 2.54 | 1.03 | 1.53 | 0.57 | 0.30 | 0.00 | 10.48(3) |
| 1920-1921 | ---(2) | 0.00 | 0.00 | 0.00 | 0.73 | 0.10 | 2.55 | 0.81 | 0.16 | 0.00 | ---(2) | ---(2) | 4.35(3) |
| 1919-1920 | ---(2) | ---(2) | 0.10 | 0.09 | 0.90 | ---(2) | 1.05 | 1.78 | 1.70 | 0.00 | 0.00 | 0.00 | 5.62(3) |
* Season average from 1948 as calculated by Western Regional Climate Center.
* Average as calculated for period 1933-2019, except for seasons 2010-11 and 2011-12.
T = Trace amount
(1) Seasonal rainfall through latest full month.
(2) 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 reflect a complete season total.
Source: Western Regional Climate Center
