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Brockville October Weather

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

Typical Brockville October Weather 1991–2020
Average daily high	13.8 °C
Average daily low	5.7 °C
Average monthly precipitation	10.1 cm
Average monthly snow	1.2 cm
Daily chance of precipitation	43.6%
Daily chance of snow	0.89%

Brockville October Weather Records 1871–2023
Highest temperature	27.8 °C	October 7, 1955
Lowest temperature	-11.1 °C	October 21, 1940
Highest daily low	20.0 °C	October 2, 2002
Lowest daily high	0.0 °C	October 22, 1969
Hottest average high temperature	19.4 °C	1947
Coldest average high temperature	8.8 °C	1886
Most daily precipitation	8.7 cm	October 23, 1923
Most monthly precipitation	21.6 cm	1955
Most daily snow	29.0 cm	October 1, 1946
Most monthly snow	29.0 cm	1946

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	17.7	8.7	26.1	-3.3
October 2	17.4	8.5	26.1	-1.1
October 3	17.1	8.3	26.7	-2.8
October 4	16.9	8.2	27.8	-4.4
October 5	16.6	7.9	26.7	-1.5
October 6	16.4	7.8	25.5	-2.8
October 7	16.1	7.5	27.8	-6.7
October 8	15.8	7.4	25.0	-4.4
October 9	15.6	7.2	25.6	-2.2
October 10	15.3	7.0	25.0	-4.4
October 11	15.0	6.8	27.8	-6.1
October 12	14.7	6.6	26.7	-4.4
October 13	14.5	6.3	26.1	-4.4
October 14	14.3	6.1	26.1	-5.0
October 15	14.0	6.0	26.1	-3.9
October 16	13.8	5.8	25.0	-5.0
October 17	13.6	5.6	25.6	-3.3
October 18	13.4	5.4	25.0	-6.7
October 19	13.1	5.2	25.0	-6.7
October 20	12.9	5.0	25.0	-8.3
October 21	12.7	4.8	23.9	-11.1
October 22	12.5	4.6	24.0	-7.2
October 23	12.3	4.5	24.0	-6.7
October 24	12.0	4.3	23.3	-7.2
October 25	11.7	4.0	24.4	-5.6
October 26	11.5	3.9	22.5	-9.4
October 27	11.3	3.7	26.0	-9.4
October 28	11.0	3.5	23.0	-6.7
October 29	10.7	3.2	23.3	-7.2
October 30	10.5	3.0	21.1	-9.4
October 31	10.3	2.8	23.3	-8.9

Weather Station Details

Years	Station	Coordinates
1966–2023	Brockville PCC	location
1871–1965	Brockville	location