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Lethbridge December Weather

Averages and records for weather in Lethbridge, Alberta in the month of December.

Typical Lethbridge December Weather 1991–2020
Average daily high	0.5 °C
Average daily low	-11.5 °C
Average monthly precipitation	0.9 cm
Daily chance of precipitation	22.8%

Lethbridge December Weather Records 1938–2024
Highest temperature	18.3 °C	December 5, 1939
Lowest temperature	-42.8 °C	December 29, 1968
Highest daily low	10.9 °C	December 16, 1980
Lowest daily high	-31.1 °C	December 28, 1968
Hottest average high temperature	8.0 °C	2023
Coldest average high temperature	-11.2 °C	1983
Most daily precipitation	2.2 cm	December 7, 1945
Most monthly precipitation	5.4 cm	1951

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	2.3	-9.6	17.8	-31.2
December 2	2.1	-9.7	15.0	-32.2
December 3	2.1	-9.8	14.3	-30.6
December 4	2.1	-9.9	16.7	-31.7
December 5	2.0	-9.9	18.3	-34.3
December 6	1.9	-10.0	15.9	-34.4
December 7	1.8	-10.1	13.9	-37.2
December 8	1.5	-10.3	14.3	-39.5
December 9	1.4	-10.5	13.9	-36.7
December 10	1.3	-10.6	15.6	-33.1
December 11	1.2	-10.7	14.6	-37.1
December 12	1.1	-10.9	13.3	-33.3
December 13	1.0	-10.9	14.3	-35.6
December 14	0.9	-11.0	16.2	-34.8
December 15	0.7	-11.2	16.1	-34.6
December 16	0.5	-11.4	17.8	-33.9
December 17	0.3	-11.6	14.0	-33.9
December 18	0.3	-11.8	14.4	-33.9
December 19	0.1	-11.8	16.1	-36.2
December 20	0.1	-11.9	13.9	-35.7
December 21	0.0	-11.9	15.6	-37.8
December 22	-0.1	-12.0	14.3	-36.4
December 23	0.0	-12.1	11.3	-38.7
December 24	-0.2	-12.1	15.1	-39.2
December 25	-0.2	-12.2	14.7	-32.5
December 26	-0.3	-12.3	14.9	-34.8
December 27	-0.4	-12.5	17.6	-35.3
December 28	-0.5	-12.7	16.1	-41.1
December 29	-0.6	-12.8	15.6	-42.8
December 30	-0.7	-12.9	11.1	-34.2
December 31	-0.8	-13.0	13.1	-38.5

Weather Station Details

Years	Station	Coordinates
2011–2024	Lethbridge	location
2006–2011	Lethbridge AWOS A	location
1938–2005	Lethbridge A	location