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Weldon Spring December Weather

Averages and records for weather in Weldon Spring, Missouri in the month of December.

Typical Weldon Spring December Weather 1991–2020
Average daily high	44.1 °F
Average daily low	26.1 °F
Average monthly precipitation	3.1 inches
Average monthly snow	3.0 inches
Daily chance of precipitation	27.4%
Daily chance of snow	8.6%

Weldon Spring December Weather Records 1957–2024
Highest temperature	76 °F	December 4, 2021
Lowest temperature	-28 °F	December 23, 1989
Highest daily low	58 °F	December 3, 2012
Lowest daily high	0 °F	December 25, 1983
Hottest average high temperature	55.5 °F	2021
Coldest average high temperature	29.7 °F	2000
Most daily precipitation	6.4 inches	December 27, 2015
Most monthly precipitation	13.4 inches	2015
Most daily snow	6.3 inches	December 14, 2000
Most monthly snow	13.8 inches	2000

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	49.1	30.1	72	1
December 2	48.7	29.8	72	2
December 3	48.3	29.5	74	9
December 4	47.8	29.1	76	6
December 5	47.4	28.7	74	10
December 6	47.0	28.4	72	2
December 7	46.6	28.1	70	2
December 8	46.3	27.8	73	0
December 9	46.0	27.6	75	-5
December 10	45.7	27.3	70	1
December 11	45.2	26.9	69	1
December 12	44.8	26.6	64	-10
December 13	44.6	26.4	71	-7
December 14	44.4	26.2	70	-3
December 15	44.2	26.0	69	-12
December 16	44.0	25.9	73	-5
December 17	43.8	25.7	67	-1
December 18	43.7	25.5	67	-11
December 19	43.5	25.3	69	-10
December 20	43.2	25.1	68	-10
December 21	43.0	25.0	69	-16
December 22	43.0	24.8	66	-9
December 23	42.9	24.7	67	-28
December 24	42.7	24.6	72	-14
December 25	42.5	24.4	73	-16
December 26	42.4	24.4	71	-5
December 27	42.3	24.2	68	-1
December 28	42.1	24.1	71	0
December 29	42.1	24.0	61	-4
December 30	41.9	23.8	67	-10
December 31	41.7	23.5	72	-10

Weather Station Details

Years	Station	Coordinates
1957–2024	Weldon Spring NWS	location