Thunder Bay Days With Precipitation by Year

This page contains a list of the number of days it rained or snowed each year in Thunder Bay, Ontario for each year between 1941 and 2024. It is based on NOAA data.

Change:

Month:

Year With the Most Rainy Days in Thunder Bay

The most days of rain or snow in a single year in Thunder Bay, Ontario history is 196, which happened in 1999.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days
2024	84	33
2023	76	116
2022	23	149
2021	69	123
2020	56	132
2019	11	160
2018	22	150
2017	3	184
2016	2	192
2015	7	172
2014	28	146
2013	69	123
2012	75	117
2011	81	97
2010	52	135
2009	5	173
2008	76	116
2007	73	120
2006	80	99
2005	82	94
2004	79	104
2003	69	123
2002	14	157
2001	4	179
2000	5	173
1999	1	196
1998	8	169
1997	9	168
1996	33	144
1995	14	157
1994	45	139
1993	66	126
1992	24	148
1991	48	137
1990	42	140
1989	38	141
1988	32	145
1987	74	119
1986	28	146
1985	20	153
1984	28	146
1983	48	137
1982	18	155
1981	56	132
1980	55	133
1979	38	141
1978	66	126
1977	34	142
1976	72	122
1975	65	128
1974	17	156
1973	60	131
1972	34	142
1971	27	147
1970	24	148
1969	45	139
1968	20	153
1967	60	131
1966	56	132
1965	18	155
1964	66	126
1963	78	115
1962	60	131
1961	60	131
1960	42	140
1959	34	142
1958	42	140
1957	52	135
1956	24	148
1955	14	157
1954	13	159
1953	38	141
1952	52	135
1951	34	142
1950	10	164
1949	11	160
1948	47	138
1947	64	129
1946	38	141
1945	28	146
1944	56	132
1943	51	136
1942	48	137
1941	83	62

Weather Station Details

Years	Station	Coordinates
2004–2024	Thunder Bay CS	location
1941–2003	Thunder Bay A	location