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Gallup December Weather

Averages and records for weather in Gallup, New Mexico in the month of December.

Typical Gallup December Weather 1991–2020
Average daily high	45.1 °F
Average daily low	13.0 °F
Average monthly precipitation	0.7 inches
Daily chance of precipitation	18.8%

Gallup December Weather Records 1918–2024
Highest temperature	66 °F	December 1, 2003
Lowest temperature	-34 °F	December 23, 1990
Highest daily low	43 °F	December 6, 1966
Lowest daily high	15 °F	December 24, 1990
Hottest average high temperature	54.6 °F	1958
Coldest average high temperature	36.1 °F	1992
Most daily precipitation	1.3 inches	December 10, 1965
Most monthly precipitation	2.7 inches	1965

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
December 1	49.7	15.2	66	-5
December 2	49.3	15.0	63	-7
December 3	48.8	14.9	65	-12
December 4	48.4	14.8	63	-8
December 5	48.0	14.6	65	-8
December 6	47.7	14.4	63	-9
December 7	47.3	14.3	63	-13
December 8	47.1	14.2	62	-23
December 9	46.7	14.1	65	-18
December 10	46.4	13.9	63	-16
December 11	46.1	13.8	62	-7
December 12	45.8	13.5	61	-13
December 13	45.6	13.3	63	-9
December 14	45.4	13.1	62	-7
December 15	45.2	13.1	60	-14
December 16	45.0	13.0	59	-14
December 17	44.9	12.9	63	-12
December 18	44.7	12.8	61	-5
December 19	44.5	12.7	59	-11
December 20	44.4	12.6	61	-20
December 21	44.3	12.6	62	-12
December 22	44.2	12.5	60	-20
December 23	44.1	12.4	60	-34
December 24	44.0	12.4	61	-32
December 25	43.9	12.4	63	-27
December 26	43.9	12.5	63	-18
December 27	43.9	12.5	65	-17
December 28	43.9	12.5	64	-17
December 29	43.9	12.6	63	-13
December 30	43.9	12.6	66	-18
December 31	44.0	12.6	62	-12

Weather Station Details

Years	Station	Coordinates
1974–2024	Gallup Municipal Airport	location
1918–1973	Gallup 5 E	location