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Portales December Weather

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

Typical Portales December Weather 1991–2020
Average daily high	54.6 °F
Average daily low	25.2 °F
Average monthly precipitation	0.7 inches
Average monthly snow	2.4 inches
Daily chance of precipitation	12.1%
Daily chance of snow	3.5%

Portales December Weather Records 1905–2024
Highest temperature	87 °F	December 5, 1906
Lowest temperature	-12 °F	December 9, 1978
Highest daily low	52 °F	December 10, 2021
Lowest daily high	9 °F	December 29, 1983
Hottest average high temperature	64.7 °F	2021
Coldest average high temperature	42.3 °F	1918
Most daily precipitation	2.4 inches	December 19, 1911
Most monthly precipitation	3.8 inches	1911
Most daily snow	8.5 inches	December 19, 1911
Most monthly snow	22.0 inches	1997

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	58.8	28.3	75	9
December 2	58.5	28.0	76	11
December 3	58.2	27.7	76	13
December 4	57.8	27.4	78	8
December 5	57.5	27.2	87	6
December 6	57.2	27.0	74	-6
December 7	56.9	26.7	74	9
December 8	56.7	26.4	75	-4
December 9	56.3	26.3	73	-12
December 10	56.0	26.1	74	-4
December 11	55.7	25.9	76	0
December 12	55.4	25.8	75	-6
December 13	55.1	25.6	77	-1
December 14	54.9	25.5	74	6
December 15	54.8	25.3	73	-2
December 16	54.5	25.1	72	-5
December 17	54.3	24.9	75	-3
December 18	54.1	24.7	75	-6
December 19	53.8	24.7	72	-2
December 20	53.7	24.6	74	0
December 21	53.7	24.6	75	-2
December 22	53.7	24.5	73	-1
December 23	53.5	24.5	75	-8
December 24	53.4	24.4	76	-4
December 25	53.4	24.4	74	-4
December 26	53.4	24.3	75	-1
December 27	53.4	24.3	73	-9
December 28	53.4	24.2	73	-1
December 29	53.3	24.1	75	-5
December 30	53.2	24.0	74	-2
December 31	53.1	24.0	71	2

Weather Station Details

Years	Station	Coordinates
1905–2024	Portales	location