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Guernsey July Weather

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

Typical Guernsey July Weather 1991–2020
Average daily high	19.7 °C
Average daily low	13.8 °C
Average monthly precipitation	4.3 cm
Daily chance of precipitation	38.2%

Guernsey July Weather Records 1959–2024
Highest temperature	32.6 °C	July 18, 2016
Lowest temperature	8.4 °C	July 17, 1980
Highest daily low	23.2 °C	July 19, 2006
Lowest daily high	12.8 °C	July 1, 1997
Hottest average high temperature	23.4 °C	1983
Coldest average high temperature	16.8 °C	1965
Most daily precipitation	6.3 cm	July 7, 2004
Most monthly precipitation	12.0 cm	1960

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

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
July 1	18.9	13.0	29.6	9.2
July 2	18.9	13.0	28.8	9.3
July 3	19.0	13.1	26.3	9.5
July 4	19.1	13.1	24.8	9.5
July 5	19.1	13.2	26.3	9.2
July 6	19.2	13.3	27.0	10.0
July 7	19.3	13.3	28.1	8.7
July 8	19.3	13.4	26.7	10.5
July 9	19.4	13.4	26.0	10.5
July 10	19.4	13.5	28.5	9.8
July 11	19.5	13.6	30.4	9.6
July 12	19.5	13.6	27.2	8.5
July 13	19.5	13.7	29.1	9.4
July 14	19.6	13.8	27.4	9.7
July 15	19.6	13.8	29.2	9.8
July 16	19.7	13.8	30.0	10.2
July 17	19.7	13.9	27.3	8.4
July 18	19.8	13.9	32.6	10.4
July 19	19.8	14.0	28.2	9.5
July 20	19.9	14.0	29.4	10.7
July 21	20.0	14.1	29.8	9.4
July 22	20.0	14.1	31.6	10.1
July 23	20.0	14.2	26.4	10.7
July 24	20.1	14.2	26.4	10.0
July 25	20.1	14.2	25.7	10.5
July 26	20.1	14.3	25.5	10.6
July 27	20.2	14.3	26.5	10.4
July 28	20.2	14.4	28.4	10.9
July 29	20.2	14.4	26.4	10.6
July 30	20.2	14.4	30.3	10.3
July 31	20.2	14.4	29.7	10.6

Weather Station Details

Years	Station	Coordinates
1959–2024	Guernsey: Airport	location