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Isle of Man December Weather

Averages and records for weather in Isle of Man, United Kingdom in the month of December.

Typical Isle of Man December Weather 1991–2020
Average daily high	9.2 °C
Average daily low	4.6 °C
Average monthly precipitation	9.6 cm
Daily chance of precipitation	66.9%

Isle of Man December Weather Records 1959–2024
Highest temperature	14.2 °C	December 11, 2001
Lowest temperature	-9.1 °C	December 31, 1961
Highest daily low	12.1 °C	December 11, 1994
Lowest daily high	0.5 °C	December 18, 2010
Hottest average high temperature	10.6 °C	2016
Coldest average high temperature	5.8 °C	2010
Most daily precipitation	5.2 cm	December 28, 1978
Most monthly precipitation	21.3 cm	1978

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	10.0	5.4	13.4	-1.6
December 2	10.0	5.4	12.8	-2.7
December 3	9.9	5.4	12.6	-3.9
December 4	9.8	5.3	13.3	-3.7
December 5	9.8	5.2	12.7	-1.8
December 6	9.7	5.2	13.9	-3.0
December 7	9.7	5.1	12.6	-2.3
December 8	9.7	5.1	13.0	-3.5
December 9	9.6	5.1	14.1	-4.0
December 10	9.6	5.0	13.4	-5.0
December 11	9.5	5.0	14.2	-3.5
December 12	9.4	4.9	12.4	-6.7
December 13	9.4	4.8	12.9	-4.1
December 14	9.3	4.8	13.0	-2.0
December 15	9.3	4.7	12.7	-3.1
December 16	9.2	4.7	12.7	-2.0
December 17	9.2	4.6	13.5	-2.3
December 18	9.2	4.6	13.4	-3.2
December 19	9.1	4.6	13.4	-5.0
December 20	9.1	4.5	13.1	-6.7
December 21	9.0	4.5	12.7	-5.7
December 22	9.0	4.5	12.8	-4.8
December 23	8.9	4.5	12.6	-3.3
December 24	8.9	4.4	12.7	-4.9
December 25	8.9	4.4	12.3	-4.3
December 26	8.8	4.3	12.4	-5.1
December 27	8.9	4.3	12.7	-5.8
December 28	8.8	4.3	13.0	-4.6
December 29	8.8	4.3	12.9	-5.3
December 30	8.8	4.3	13.3	-5.9
December 31	8.8	4.3	12.8	-9.1

Weather Station Details

Years	Station	Coordinates
1959–2024	Ronaldsway Airport	location