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Saint-Hyacinthe December Weather

Averages and records for weather in Saint-Hyacinthe, Quebec in the month of December.

Typical Saint-Hyacinthe December Weather 1991–2020
Average daily high	-0.9 °C
Average daily low	-8.7 °C
Average monthly precipitation	9.0 cm
Average monthly snow	41.7 cm
Daily chance of precipitation	46.9%
Daily chance of snow	28.5%

Saint-Hyacinthe December Weather Records 1890–2024
Highest temperature	17.1 °C	December 24, 2015
Lowest temperature	-35.0 °C	December 30, 1989
Highest daily low	10.0 °C	December 6, 1951
Lowest daily high	-24.4 °C	December 20, 1942
Hottest average high temperature	4.5 °C	2015
Coldest average high temperature	-11.7 °C	1989
Most daily precipitation	5.5 cm	December 20, 1973
Most monthly precipitation	21.9 cm	2003
Most daily snow	51.0 cm	December 14, 2003
Most monthly snow	137.4 cm	2003

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

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
December 1	2.0	-5.6	13.3	-22.2
December 2	1.8	-5.9	11.7	-25.0
December 3	1.6	-6.0	15.0	-27.2
December 4	1.3	-6.3	13.5	-27.2
December 5	1.0	-6.6	14.5	-28.3
December 6	0.8	-6.9	16.5	-28.3
December 7	0.6	-7.1	15.0	-25.6
December 8	0.5	-7.2	11.1	-28.9
December 9	0.4	-7.3	10.0	-25.0
December 10	0.2	-7.4	10.6	-26.7
December 11	0.0	-7.6	12.4	-28.5
December 12	-0.2	-7.9	12.2	-27.8
December 13	-0.4	-8.1	10.0	-33.3
December 14	-0.6	-8.4	9.5	-31.1
December 15	-0.8	-8.6	11.1	-30.0
December 16	-1.0	-8.9	14.0	-31.1
December 17	-1.2	-9.2	12.0	-32.5
December 18	-1.5	-9.5	9.0	-26.1
December 19	-1.7	-9.8	8.9	-29.4
December 20	-1.9	-10.1	16.7	-32.2
December 21	-2.1	-10.3	10.6	-31.7
December 22	-2.2	-10.5	12.8	-35.0
December 23	-2.2	-10.5	11.4	-31.1
December 24	-2.4	-10.6	17.1	-30.6
December 25	-2.6	-10.8	15.5	-33.5
December 26	-2.7	-11.0	9.4	-30.0
December 27	-2.9	-11.2	11.1	-30.0
December 28	-3.0	-11.4	13.0	-30.0
December 29	-3.1	-11.5	6.5	-34.0
December 30	-3.2	-11.7	10.0	-35.0
December 31	-3.4	-11.8	10.6	-29.0

Weather Station Details

Years	Station	Coordinates
1964–2024	Saint-Hyacinthe 2	location
1890–1963	Saint-Hyacinthe	location