When does the rainy season start in Tokyo?
Tokyo has the rainy season in June and July. It usually starts around June 8th, and ends around July 21st. 43 days wet season is coming soon.
2014 July 28 updated: Japan Meteorological Agency announced that this rainy season (2014) started in Tokyo around June 5th, and ended up around July 22nd.
The following table shows the start date and the end date of rainy season by year in Tokyo. It cannot be specified the exact date, these are rough indications. To see other cities, When Does The Rainy Season Start in Japan?
| Year | Start around | End around | Days |
| 1951 | June 15 | July 18 | 33 |
| 1952 | June 14 | July 16 | 32 |
| 1953 | June 1 | July 24 | 53 |
| 1954 | June 6 | July 25 | 49 |
| 1955 | June 13 | July 9 | 26 |
| 1956 | June 9 | July 26 | 47 |
| 1957 | June 6 | July 28 | 52 |
| 1958 | June 11 | July 13 | 32 |
| 1959 | June 10 | July 6 | 26 |
| 1960 | June 19 | July 18 | 29 |
| 1961 | June 9 | July 8 | 29 |
| 1962 | June 3 | July 12 | 39 |
| 1963 | May 6 | July 24 | 79 |
| 1964 | June 9 | July 22 | 43 |
| 1965 | June 12 | July 27 | 45 |
| 1966 | June 9 | July 19 | 40 |
| 1967 | June 22 | July 18 | 26 |
| 1968 | June 15 | July 19 | 34 |
| 1969 | June 17 | July 14 | 27 |
| 1970 | June 11 | July 20 | 39 |
| 1971 | June 3 | July 29 | 56 |
| 1972 | June 12 | July 19 | 37 |
| 1973 | June 6 | July 5 | 29 |
| 1974 | June 11 | July 25 | 44 |
| 1975 | June 5 | July 15 | 40 |
| 1976 | June 5 | July 22 | 47 |
| 1977 | June 7 | July 21 | 44 |
| 1978 | June 11 | July 4 | 23 |
| 1979 | June 7 | July 24 | 47 |
| 1980 | June 8 | July 21 | 43 |
| 1981 | June 11 | July 8 | 27 |
| 1982 | June 17 | August 4 | 48 |
| 1983 | June 12 | July 26 | 44 |
| 1984 | June 10 | July 22 | 42 |
| 1985 | June 8 | July 15 | 37 |
| 1986 | June 16 | July 27 | 41 |
| 1987 | June 9 | July 23 | 44 |
| 1988 | June 8 | July 31 | 53 |
| 1989 | June 9 | July 19 | 40 |
| 1990 | June 1 | July 18 | 47 |
| 1991 | May 31 | July 23 | 53 |
| 1992 | June 7 | July 19 | 42 |
| 1993 | May 30 | － | |
| 1994 | June 7 | July 12 | 35 |
| 1995 | June 3 | July 23 | 50 |
| 1996 | June 8 | July 11 | 33 |
| 1997 | June 9 | July 19 | 40 |
| 1998 | June 2 | August 2 | 61 |
| 1999 | June 17 | July 23 | 36 |
| 2000 | June 9 | July 16 | 37 |
| 2001 | June 5 | July 1 | 26 |
| 2002 | June 11 | July 20 | 39 |
| 2003 | June 10 | August 2 | 53 |
| 2004 | June 6 | July 13 | 37 |
| 2005 | June 10 | July 18 | 38 |
| 2006 | June 9 | July 30 | 51 |
| 2007 | June 22 | August 1 | 40 |
| 2008 | May 29 | July 19 | 51 |
| 2009 | June 3 | July 14 | 41 |
| 2010 | June 13 | July 17 | 34 |
| 2011 | May 27 | July 9 | 43 |
| 2012 | June 9 | July 25 | 46 |
| 2013 | June 10 | July 6 | 26 |
| 2014 | June 5 | July 22 | 47 |
| Average | June 8 | July 21 | 43 |
The end date of 1993 was unclear.
Source is Japan Meteorological Agency.
www.data.jma.go.jp/fcd/yoho/baiu/kako_baiu09.html
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