Montreal · Canada

Montreal in October: every year compared

In October, Montreal averages highs of 11.8 °C and lows of 3.6 °C, with 111 mm of precipitation. The warmest October was 2017 (11.6 °C), the coldest 1972 (4.8 °C).

Avg. highAvg. high 11.8 °C

Avg. lowAvg. low 3.6 °C

PrecipitationPrecipitation 111 mm

Rainy daysRainy days 12

Day by day through October

Normal high and low for each day of October in Montreal.

Normal high and low, day by dayNormal 1991–2020

Every October in Montreal, ranked

86 months of October since 1940. The last one, 2025, ranks 13 of 86 (+1.6 °C vs normal).

194019832025

2025 · 9.3 °C · +1.6 °C vs normal · rank 13 of 86

Warmest years

1201711.6 °C
2194711.1 °C
3202311.1 °C
4202110.3 °C
519639.9 °C

Coldest years

119744.8 °C
219724.8 °C
319815.0 °C
419805.3 °C
519765.3 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Frost days	Snowfall	Rainy days
2025	9.3 °C	14.5 °C	4.7 °C	145 mm	5 days	0 cm	8 days
2024	9.5 °C	14.5 °C	4.8 °C	48 mm	6 days	0 cm	13 days
2023	11.1 °C	14.7 °C	7.7 °C	157 mm	2 days	5 cm	13 days
2022	8.6 °C	14.6 °C	3.0 °C	69 mm	6 days	0 cm	8 days
2021	10.3 °C	14.3 °C	7.1 °C	120 mm	0 days	0 cm	10 days
2020	7.4 °C	11.6 °C	3.4 °C	128 mm	8 days	0 cm	14 days
2019	8.2 °C	12.7 °C	4.2 °C	217 mm	3 days	0 cm	13 days
2018	5.7 °C	9.0 °C	2.5 °C	108 mm	10 days	3 cm	17 days
2017	11.6 °C	16.6 °C	7.3 °C	155 mm	1 day	0 cm	12 days
2016	8.2 °C	12.3 °C	4.5 °C	171 mm	3 days	0 cm	13 days
2015	6.5 °C	11.0 °C	1.8 °C	96 mm	11 days	0 cm	10 days
2014	9.7 °C	12.9 °C	6.3 °C	109 mm	1 day	0 cm	14 days
2013	8.8 °C	13.5 °C	4.0 °C	75 mm	6 days	0 cm	13 days
2012	9.3 °C	13.3 °C	5.4 °C	109 mm	4 days	0 cm	9 days
2011	8.5 °C	12.6 °C	4.7 °C	95 mm	6 days	0 cm	11 days
2010	7.2 °C	11.0 °C	3.4 °C	154 mm	6 days	3 cm	12 days
2009	5.6 °C	9.1 °C	2.4 °C	97 mm	10 days	1 cm	10 days
2008	6.7 °C	11.3 °C	2.1 °C	94 mm	12 days	4 cm	9 days
2007	9.9 °C	14.2 °C	5.7 °C	118 mm	3 days	0 cm	10 days
2006	6.7 °C	10.3 °C	3.1 °C	142 mm	5 days	0 cm	15 days
2005	8.7 °C	12.3 °C	5.2 °C	146 mm	4 days	4 cm	14 days
2004	7.5 °C	12.2 °C	3.0 °C	49 mm	7 days	0 cm	8 days
2003	6.5 °C	10.3 °C	2.8 °C	176 mm	5 days	0 cm	10 days
2002	5.8 °C	9.9 °C	1.4 °C	90 mm	11 days	6 cm	10 days
2001	8.8 °C	13.1 °C	4.6 °C	115 mm	6 days	1 cm	13 days
2000	7.6 °C	12.2 °C	3.4 °C	41 mm	7 days	3 cm	11 days
1999	6.5 °C	10.9 °C	1.8 °C	104 mm	11 days	1 cm	16 days
1998	8.3 °C	12.1 °C	4.5 °C	68 mm	3 days	0 cm	7 days
1997	6.3 °C	10.6 °C	1.9 °C	53 mm	11 days	12 cm	8 days
1996	7.2 °C	11.7 °C	2.9 °C	125 mm	8 days	0 cm	12 days
1995	9.8 °C	13.7 °C	6.2 °C	190 mm	2 days	0 cm	12 days
1994	8.3 °C	12.7 °C	4.2 °C	16 mm	5 days	0 cm	5 days
1993	5.5 °C	9.4 °C	1.4 °C	116 mm	10 days	0 cm	12 days
1992	5.5 °C	9.6 °C	1.4 °C	64 mm	12 days	0 cm	11 days
1991	8.3 °C	13.1 °C	3.8 °C	122 mm	7 days	0 cm	13 days
1990	7.4 °C	11.3 °C	3.5 °C	144 mm	8 days	0 cm	17 days
1989	7.9 °C	12.9 °C	3.7 °C	101 mm	6 days	1 cm	11 days
1988	5.7 °C	9.5 °C	2.0 °C	103 mm	6 days	10 cm	12 days
1987	6.5 °C	11.2 °C	1.9 °C	76 mm	12 days	1 cm	13 days
1986	6.9 °C	11.2 °C	2.3 °C	57 mm	9 days	0 cm	12 days
1985	8.0 °C	12.4 °C	3.5 °C	91 mm	7 days	0 cm	12 days
1984	7.9 °C	13.2 °C	3.4 °C	52 mm	6 days	0 cm	10 days
1983	7.3 °C	12.5 °C	3.1 °C	93 mm	10 days	0 cm	13 days
1982	8.0 °C	13.0 °C	3.4 °C	48 mm	6 days	0 cm	6 days
1981	5.0 °C	9.5 °C	0.7 °C	130 mm	13 days	1 cm	13 days
1980	5.3 °C	9.2 °C	1.3 °C	77 mm	15 days	0 cm	12 days
1979	7.5 °C	11.2 °C	3.9 °C	91 mm	12 days	6 cm	17 days
1978	6.6 °C	10.6 °C	2.2 °C	112 mm	9 days	0 cm	13 days
1977	6.7 °C	11.0 °C	2.2 °C	114 mm	10 days	0 cm	12 days
1976	5.3 °C	9.4 °C	1.5 °C	151 mm	11 days	5 cm	16 days
1975	8.2 °C	12.6 °C	3.6 °C	84 mm	5 days	0 cm	12 days
1974	4.8 °C	9.4 °C	-0.4 °C	59 mm	18 days	0 cm	10 days
1973	8.2 °C	12.8 °C	3.6 °C	88 mm	4 days	0 cm	9 days
1972	4.8 °C	8.9 °C	0.7 °C	116 mm	12 days	0 cm	11 days
1971	9.8 °C	14.2 °C	5.4 °C	62 mm	2 days	0 cm	10 days
1970	8.9 °C	13.6 °C	4.5 °C	102 mm	8 days	0 cm	9 days
1969	6.8 °C	11.4 °C	2.0 °C	71 mm	9 days	1 cm	15 days
1968	9.3 °C	13.5 °C	4.7 °C	77 mm	6 days	0 cm	9 days
1967	7.6 °C	11.6 °C	3.5 °C	109 mm	7 days	0 cm	13 days
1966	7.2 °C	11.6 °C	3.0 °C	50 mm	8 days	0 cm	7 days
1965	6.5 °C	10.2 °C	2.8 °C	128 mm	7 days	2 cm	12 days
1964	6.1 °C	11.1 °C	1.4 °C	38 mm	10 days	0 cm	9 days
1963	9.9 °C	15.4 °C	4.7 °C	26 mm	4 days	0 cm	4 days
1962	6.5 °C	10.6 °C	3.0 °C	150 mm	9 days	10 cm	18 days
1961	8.9 °C	13.7 °C	4.9 °C	76 mm	5 days	0 cm	11 days
1960	6.6 °C	11.1 °C	2.2 °C	97 mm	9 days	0 cm	12 days
1959	6.8 °C	10.4 °C	3.2 °C	146 mm	11 days	2 cm	17 days
1958	7.1 °C	11.3 °C	2.9 °C	134 mm	7 days	0 cm	12 days
1957	7.9 °C	12.4 °C	3.6 °C	84 mm	5 days	0 cm	6 days
1956	7.7 °C	13.0 °C	2.7 °C	47 mm	10 days	0 cm	10 days
1955	8.3 °C	12.4 °C	4.6 °C	115 mm	6 days	0 cm	13 days
1954	8.6 °C	12.5 °C	4.9 °C	123 mm	4 days	0 cm	15 days
1953	7.9 °C	13.0 °C	3.3 °C	36 mm	4 days	0 cm	7 days
1952	5.6 °C	9.6 °C	1.7 °C	94 mm	10 days	0 cm	12 days
1951	8.1 °C	12.9 °C	3.4 °C	74 mm	8 days	0 cm	9 days
1950	7.8 °C	12.2 °C	3.7 °C	85 mm	8 days	1 cm	14 days
1949	9.8 °C	14.8 °C	4.7 °C	67 mm	4 days	0 cm	11 days
1948	7.2 °C	11.9 °C	2.6 °C	68 mm	8 days	0 cm	8 days
1947	11.1 °C	16.2 °C	6.4 °C	19 mm	2 days	0 cm	4 days
1946	9.4 °C	14.2 °C	4.8 °C	132 mm	3 days	0 cm	9 days
1945	7.3 °C	10.9 °C	3.5 °C	121 mm	4 days	0 cm	15 days
1944	6.9 °C	10.7 °C	3.4 °C	55 mm	6 days	0 cm	12 days
1943	8.0 °C	11.2 °C	4.8 °C	112 mm	1 day	0 cm	15 days
1942	8.8 °C	12.8 °C	5.1 °C	87 mm	0 days	0 cm	12 days
1941	7.3 °C	11.3 °C	3.7 °C	156 mm	7 days	1 cm	14 days
1940	6.1 °C	9.7 °C	2.7 °C	53 mm	11 days	0 cm	9 days

October records

Hottest day

28.7 °C

October 5, 2025 estimate

Nearby station: 30.7 °C on October 4, 2023 measured

Coldest night

-9.0 °C

October 30, 1978 estimate

Nearby station: -9.6 °C on October 28, 2024 measured

Wettest day

62 mm

October 21, 2016 estimate

The weather on your birthday in Montreal

Any day since 1940: high, low, rain, snow, and how warm it was compared with the same date in every other year.

Questions & answers

How warm is Montreal in October?

Highs average 11.8 °C and lows 3.6 °C. A typical October brings 0 hot days (30 °C or more) and 7 frost days.

Does it rain a lot in Montreal in October?

About 111 mm falls in October, over some 12 days with at least 1 mm. The wettest October was 2019 (217 mm), the driest 1994 (16 mm).

What was the warmest October in Montreal?

2017, with a mean temperature of 11.6 °C. The coldest was 1972 (4.8 °C). The last one, 2025, ranks 13 of 86.