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Guernsey December Weather

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

Typical Guernsey December Weather 1991–2020
Average daily high	10.1 °C
Average daily low	6.1 °C
Average monthly precipitation	12.0 cm
Daily chance of precipitation	65.6%

Guernsey December Weather Records 1959–2024
Highest temperature	14.6 °C	December 1, 1985
Lowest temperature	-3.8 °C	December 25, 1963
Highest daily low	12.4 °C	December 30, 2021
Lowest daily high	0.6 °C	December 27, 1962
Hottest average high temperature	12.9 °C	2015
Coldest average high temperature	6.8 °C	2010
Most daily precipitation	4.3 cm	December 4, 2010
Most monthly precipitation	25.0 cm	1999

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	10.8	7.0	14.6	0.0
December 2	10.7	6.9	13.7	-0.8
December 3	10.7	6.9	13.9	-0.4
December 4	10.7	6.8	14.2	1.2
December 5	10.6	6.8	14.0	1.8
December 6	10.6	6.7	13.8	-0.8
December 7	10.6	6.7	13.4	-0.7
December 8	10.5	6.7	14.0	0.4
December 9	10.5	6.6	14.1	-0.1
December 10	10.4	6.6	13.6	-0.9
December 11	10.3	6.5	13.8	-1.8
December 12	10.3	6.4	13.3	0.1
December 13	10.2	6.3	12.8	0.7
December 14	10.1	6.3	14.2	-3.7
December 15	10.1	6.2	13.9	-1.8
December 16	10.1	6.1	13.5	-0.5
December 17	10.0	6.1	13.6	0.4
December 18	10.0	6.0	14.4	-0.1
December 19	9.9	6.0	13.5	-0.1
December 20	9.9	6.0	13.3	-0.7
December 21	9.8	5.9	13.6	0.3
December 22	9.8	5.9	14.3	-0.1
December 23	9.8	5.8	13.2	0.3
December 24	9.7	5.8	14.1	-3.3
December 25	9.7	5.8	13.4	-3.8
December 26	9.7	5.8	13.7	-1.1
December 27	9.6	5.8	13.2	-3.0
December 28	9.7	5.8	13.3	-2.2
December 29	9.7	5.8	13.5	-1.1
December 30	9.7	5.8	13.9	-1.0
December 31	9.6	5.8	13.1	-0.6

Weather Station Details

Years	Station	Coordinates
1959–2024	Guernsey: Airport	location