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Fort Smith December Weather

Averages and records for weather in Fort Smith, Northwest Territories in the month of December.

Typical Fort Smith December Weather 1991–2020
Average daily high	-14.5 °C
Average daily low	-22.8 °C
Average monthly precipitation	1.5 cm
Average monthly snow	20.8 cm
Daily chance of precipitation	36.2%
Daily chance of snow	44.8%

Fort Smith December Weather Records 1942–2024
Highest temperature	9.4 °C	December 24, 1999
Lowest temperature	-48.3 °C	December 14, 1946
Highest daily low	-1.8 °C	December 17, 2002
Lowest daily high	-39.4 °C	December 13, 1975
Hottest average high temperature	-7.4 °C	2005
Coldest average high temperature	-23.6 °C	1980
Most daily precipitation	1.5 cm	December 14, 1989
Most monthly precipitation	5.2 cm	1953
Most daily snow	16.2 cm	December 14, 1989
Most monthly snow	51.9 cm	1981

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	-12.0	-20.0	8.9	-37.2
December 2	-12.2	-20.3	1.1	-38.9
December 3	-12.4	-20.5	1.1	-39.7
December 4	-12.5	-20.7	3.0	-40.2
December 5	-12.6	-20.9	3.6	-39.9
December 6	-12.7	-21.1	1.2	-45.0
December 7	-12.9	-21.3	4.6	-44.8
December 8	-13.1	-21.4	4.0	-43.8
December 9	-13.2	-21.6	-1.0	-46.7
December 10	-13.3	-21.8	0.6	-45.6
December 11	-13.4	-21.9	3.7	-45.6
December 12	-13.6	-22.0	3.9	-44.4
December 13	-13.7	-22.2	7.2	-45.0
December 14	-13.9	-22.4	6.7	-48.3
December 15	-14.1	-22.5	2.8	-46.7
December 16	-14.3	-22.8	-1.4	-42.2
December 17	-14.5	-22.9	2.3	-43.3
December 18	-14.6	-23.1	3.3	-46.7
December 19	-14.7	-23.2	0.7	-46.7
December 20	-14.9	-23.4	3.3	-45.0
December 21	-15.0	-23.5	2.2	-41.7
December 22	-15.1	-23.6	2.4	-45.6
December 23	-15.1	-23.7	0.9	-42.8
December 24	-15.2	-23.7	9.4	-42.2
December 25	-15.2	-23.8	5.1	-44.4
December 26	-15.3	-23.9	1.0	-44.4
December 27	-15.5	-24.1	4.9	-42.8
December 28	-15.7	-24.3	0.0	-43.0
December 29	-16.0	-24.6	1.5	-41.7
December 30	-16.2	-24.8	1.6	-46.7
December 31	-16.5	-25.1	2.2	-44.2

Weather Station Details

Years	Station	Coordinates
1942–2024	Fort Smith A	location