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Sudbury October Weather

Averages and records for weather in Sudbury, Ontario in the month of October.

Typical Sudbury October Weather 1991–2020
Average daily high	10.5 °C
Average daily low	1.9 °C
Average monthly precipitation	10.0 cm
Average monthly snow	5.8 cm
Daily chance of precipitation	50.8%
Daily chance of snow	8.6%

Sudbury October Weather Records 1887–2024
Highest temperature	27.3 °C	October 4, 2023
Lowest temperature	-15.0 °C	October 22, 1889
Highest daily low	16.6 °C	October 5, 2005
Lowest daily high	-6.1 °C	October 20, 1922
Hottest average high temperature	17.6 °C	1947
Coldest average high temperature	6.1 °C	1925
Most daily precipitation	7.3 cm	October 15, 1954
Most monthly precipitation	21.2 cm	2014
Most daily snow	26.5 cm	October 31, 2019
Most monthly snow	32.0 cm	1962

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
October 1	14.9	5.0	25.6	-3.9
October 2	14.6	4.8	26.1	-5.0
October 3	14.3	4.6	22.9	-6.1
October 4	14.0	4.3	27.3	-3.9
October 5	13.7	4.1	25.7	-4.6
October 6	13.3	3.9	22.8	-5.0
October 7	13.0	3.7	24.8	-6.9
October 8	12.8	3.5	25.0	-5.7
October 9	12.5	3.4	26.0	-7.8
October 10	12.2	3.2	23.8	-7.2
October 11	11.8	3.0	24.4	-7.0
October 12	11.5	2.7	24.1	-6.4
October 13	11.2	2.5	24.0	-7.4
October 14	11.0	2.3	23.3	-6.7
October 15	10.7	2.1	25.0	-6.7
October 16	10.5	1.9	25.0	-4.5
October 17	10.2	1.7	25.6	-6.7
October 18	10.0	1.6	23.9	-7.8
October 19	9.7	1.4	23.0	-7.2
October 20	9.4	1.2	22.2	-11.1
October 21	9.1	1.0	23.3	-11.1
October 22	8.9	0.8	21.1	-15.0
October 23	8.6	0.6	23.3	-8.9
October 24	8.3	0.4	21.7	-8.2
October 25	8.0	0.2	20.6	-8.9
October 26	7.7	0.0	19.7	-7.8
October 27	7.4	-0.2	21.1	-7.2
October 28	7.1	-0.5	19.7	-8.3
October 29	6.8	-0.8	20.0	-13.9
October 30	6.6	-1.0	20.0	-10.0
October 31	6.4	-1.1	15.6	-8.6

Weather Station Details

Years	Station	Coordinates
2013–2024	Sudbury A	location
1955–2013	Sudbury A	location
1887–1954	Sudbury	location