Saint John NB Most Precipitation in a Day for Each Year

This page lists the biggest rainstorms or snowstorms of the year in Saint John, New Brunswick Canada along with the date they occurred. The information answers questions such as: What was the rainiest day of 2019?

The list gives the highest daily precipitation for each year in Saint John and the date that it happened. A date with a plus sign beside it means the same amount of moisture also fell on at least one other day earlier that year.

These records go back to 1871, with a few recent years missing data. During that time the heaviest downpour measured for a single day was 154.4 millimetres (6.08 inches) on November 13, 1975.

Since 1952 the precipitation extremes were observed at the Saint John Airport. Before then, the weather station was near the city centre.

Most precipitation in one day for recent years in Saint John
Inches	Date	Millimetres
3.39	July 16, 2023	86.1
2.89	April 19, 2022	73.4
–	2021	–
–	2020	–
3.26	September 07, 2019	82.8
2.22	January 23, 2018	56.4
2.55	September 06, 2017	64.8
1.60	October 22, 2016	40.6
–	2015	–
3.23	December 10, 2014	82.0
–	2013	–
–	2012	–
2.68	November 11, 2011	68.1
2.86	November 05, 2010	72.6

Highest daily precipitation recorded at Saint John each year
Inches	Date	Millimetres
4.23	August 29, 2009	107.4
4.11	September 07, 2008	104.4
2.46	July 20, 2007	62.5
3.01	June 04, 2006	76.5
3.16	October 08, 2005	80.3
2.05	August 21, 2004	52.1
2.65	March 30, 2003	67.3
2.31	March 27, 2002	58.7
2.02	October 17, 2001	51.3
2.16	March 12, 2000	54.9
3.28	September 22, 1999	83.3
2.98	January 24, 1998	75.7
2.27	July 04, 1997	57.7
1.91	September 13, 1996	48.5
1.93	October 28, 1995	49.0
2.60	March 10, 1994	66.0
–	1993	–
–	1992	–
2.29	September 26, 1991	58.2
3.13	July 25, 1990	79.5
2.41	November 09, 1989	61.2
1.86	November 28, 1988	47.2
2.13	September 14, 1987	54.1
1.98	December 03, 1986 +	50.3
4.26	June 01, 1985	108.2
3.20	June 19, 1984	81.3
2.35	May 20, 1983	59.7
2.36	August 24, 1982	59.9
3.94	December 02, 1981	100.1
2.91	March 18, 1980	73.9
3.07	January 08, 1979	78.0
3.27	January 26, 1978	83.1
2.27	October 02, 1977	57.7
2.84	July 24, 1976	72.1
6.08	November 13, 1975	154.4
3.35	December 09, 1974	85.1
3.09	April 28, 1973	78.5
2.85	October 07, 1972	72.4
3.15	October 10, 1971	80.0
4.93	August 02, 1970	125.2
2.12	July 12, 1969	53.8
2.11	October 21, 1968	53.6
4.16	December 04, 1967	105.7
2.95	September 15, 1966	74.9
2.22	April 16, 1965	56.4
2.65	December 01, 1964	67.3
3.36	October 29, 1963	85.3
4.94	April 01, 1962	125.5
2.60	November 25, 1961	66.0
2.35	October 20, 1960 +	59.7
2.85	October 25, 1959	72.4
3.93	April 29, 1958	99.8
2.86	July 09, 1957	72.6
2.44	May 27, 1956	62.0
3.32	August 11, 1955	84.3
2.25	October 16, 1954	57.2
2.84	February 08, 1953	72.1
1.94	December 06, 1952	49.3
1.75	August 08, 1951	44.5
3.61	November 27, 1950	91.7
2.38	September 28, 1949	60.5
1.90	November 20, 1948	48.3
2.96	June 03, 1947	75.2
1.95	December 21, 1946	49.5
2.12	May 18, 1945	53.8
2.35	March 07, 1944	59.7
3.54	August 13, 1943	89.9
1.97	September 20, 1942	50.0
2.38	July 12, 1941	60.5
4.64	September 16, 1940	117.9
2.34	July 14, 1939	59.4
3.06	September 15, 1938	77.7
1.89	September 11, 1937	48.0
1.80	January 03, 1936	45.7
2.81	January 09, 1935	71.4
2.20	April 13, 1934	55.9
3.38	August 24, 1933	85.9
3.41	July 02, 1932	86.6
2.15	October 26, 1931	54.6
2.17	August 16, 1930	55.1
3.49	October 03, 1929	88.6
1.82	June 30, 1928	46.2
3.33	August 24, 1927	84.6
4.14	October 25, 1926	105.2
1.81	October 15, 1925	46.0
4.85	August 26, 1924	123.2
2.01	December 06, 1923	51.1
3.54	August 26, 1922	89.9
1.38	November 02, 1921	35.1
4.32	March 13, 1920	109.7
2.19	September 03, 1919	55.6
2.72	October 06, 1918	69.1
1.78	October 20, 1917	45.2
1.83	October 20, 1916	46.5
2.60	July 09, 1915	66.0
1.95	June 05, 1914	49.5
1.65	October 27, 1913	41.9
2.75	May 30, 1912	69.9
1.86	December 23, 1911	47.2
2.34	April 20, 1910	59.4
3.34	January 06, 1909	84.8
1.58	October 30, 1908	40.1
1.85	November 07, 1907	47.0
1.73	December 21, 1906	43.9
2.78	September 04, 1905	70.6
3.62	August 21, 1904	91.9
1.92	April 09, 1903	48.8
2.32	March 18, 1902	58.9
4.87	June 24, 1901	123.7
4.06	October 11, 1900	103.1
2.16	September 20, 1899	54.9
1.82	April 24, 1898	46.2
1.93	May 26, 1897	49.0
2.55	October 24, 1896	64.8
3.62	August 18, 1895	91.9
2.81	September 17, 1894	71.4
2.69	August 21, 1893	68.3
3.54	August 12, 1892	89.9
1.92	September 07, 1891	48.8
1.79	August 20, 1890	45.5
2.09	January 17, 1889	53.1
2.45	September 01, 1888	62.2
3.06	June 22, 1887	77.7
–	1886	–
2.03	March 19, 1885	51.6
1.88	February 23, 1884	47.8
2.75	March 20, 1883	69.9
2.40	June 01, 1882	61.0
2.57	March 01, 1881	65.3
2.59	November 07, 1880	65.8
3.08	August 19, 1879	78.2
2.30	March 30, 1878	58.4
2.32	November 09, 1877	58.9
2.28	November 08, 1876	57.9
1.91	October 17, 1875	48.5
2.18	June 17, 1874	55.4
1.58	September 24, 1873	40.1
3.34	May 03, 1872	84.8
2.67	June 12, 1871	67.8

Saint John NB - Extreme Daily Precipitation for Each Year

Reference

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