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Guernsey January Weather

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

Typical Guernsey January Weather 1991–2020
Average daily high	9.2 °C
Average daily low	5.4 °C
Average monthly precipitation	9.2 cm
Daily chance of precipitation	66.9%

Guernsey January Weather Records 1959–2024
Highest temperature	13.3 °C	January 1, 2024
Lowest temperature	-7.8 °C	January 20, 1963
Highest daily low	11.6 °C	January 19, 2007
Lowest daily high	-1.7 °C	January 18, 1963
Hottest average high temperature	10.6 °C	2007
Coldest average high temperature	3.7 °C	1963
Most daily precipitation	3.6 cm	January 11, 2001
Most monthly precipitation	21.0 cm	2001

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
January 1	9.6	5.8	13.3	-2.7
January 2	9.6	5.8	12.6	-2.7
January 3	9.5	5.7	12.4	-1.2
January 4	9.5	5.7	12.4	-2.2
January 5	9.4	5.7	12.2	-0.5
January 6	9.4	5.6	12.9	-2.4
January 7	9.3	5.6	12.4	-1.2
January 8	9.3	5.5	12.6	-4.5
January 9	9.3	5.5	13.3	-3.4
January 10	9.3	5.5	12.5	-2.6
January 11	9.3	5.5	12.7	-2.2
January 12	9.3	5.5	13.1	-6.1
January 13	9.2	5.5	12.7	-7.4
January 14	9.2	5.4	12.3	-6.4
January 15	9.1	5.4	12.6	-3.8
January 16	9.1	5.4	12.2	-2.7
January 17	9.1	5.3	12.2	-4.7
January 18	9.1	5.3	13.0	-4.5
January 19	9.0	5.3	12.5	-4.6
January 20	9.0	5.3	12.8	-7.8
January 21	9.0	5.2	12.1	-6.7
January 22	9.0	5.2	12.1	-3.3
January 23	9.0	5.2	12.4	-2.8
January 24	8.9	5.2	12.9	-2.8
January 25	8.9	5.1	12.1	-1.7
January 26	8.9	5.1	12.2	-0.8
January 27	8.8	5.0	12.5	-1.0
January 28	8.8	5.0	12.8	-0.9
January 29	8.8	4.9	11.8	-0.1
January 30	8.8	4.9	12.3	-2.1
January 31	8.8	4.9	12.4	-3.0

Weather Station Details

Years	Station	Coordinates
1959–2024	Guernsey: Airport	location