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Cynthiana December Weather

Averages and records for weather in Cynthiana, Kentucky in the month of December.

Typical Cynthiana December Weather 1991–2020
Average daily high	46.0 °F
Average daily low	27.5 °F
Average monthly precipitation	4.0 inches
Average monthly snow	1.3 inches
Daily chance of precipitation	30.6%
Daily chance of snow	1.7%

Cynthiana December Weather Records 1951–2024
Highest temperature	77 °F	December 3, 1982
Lowest temperature	-21 °F	December 23, 1989
Highest daily low	59 °F	December 7, 1956
Lowest daily high	-3 °F	December 23, 1989
Hottest average high temperature	58.0 °F	2021
Coldest average high temperature	30.9 °F	1989
Most daily precipitation	2.4 inches	December 16, 2000
Most monthly precipitation	10.4 inches	1990
Most daily snow	6.0 inches	December 6, 1984
Most monthly snow	12.3 inches	1989

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	50.5	30.4	70	-5
December 2	50.3	30.3	72	7
December 3	50.1	30.1	77	11
December 4	49.6	29.9	76	11
December 5	49.2	29.6	73	11
December 6	48.7	29.3	73	8
December 7	48.4	29.0	71	6
December 8	48.1	28.9	66	-2
December 9	47.9	28.8	71	10
December 10	47.8	28.7	68	5
December 11	47.3	28.5	71	5
December 12	46.8	28.1	67	-8
December 13	46.4	27.9	71	-6
December 14	46.3	27.6	65	-3
December 15	46.1	27.5	69	-2
December 16	45.9	27.5	70	-8
December 17	45.7	27.4	70	-12
December 18	45.4	27.2	71	-6
December 19	45.3	27.0	67	-11
December 20	45.1	26.9	63	-9
December 21	45.0	26.9	63	-10
December 22	44.7	26.8	71	-20
December 23	44.6	26.6	71	-21
December 24	44.4	26.4	71	-16
December 25	44.2	26.2	69	-9
December 26	44.1	26.1	71	4
December 27	44.0	26.1	73	3
December 28	44.0	26.0	70	2
December 29	44.1	25.9	70	1
December 30	44.2	25.9	68	-2
December 31	44.0	25.8	67	-1

Weather Station Details

Years	Station	Coordinates
1978–2024	Cynthiana	location
1951–1978	Cynthiana 2	location