Guernsey climate guide

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Guernsey (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	9	8	10	12	15	17	19	20	18	15	12	10
Min temperature (night-time)	5	4	5	6	9	11	13	14	13	11	7	6
Sea temperature	10	9	9	10	11	13	15	17	17	16	14	12

Sunshine & Daylight in Guernsey

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	3	4	6	8	8	8	7	6	4	2	2
Daily hours of daylight	9	10	12	14	15	16	16	14	13	11	9	8

Rainfall in Guernsey

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	20	16	16	13	13	11	10	11	13	15	18	19
Average monthly rainfall (mm)	92	75	67	49	48	44	37	45	63	81	98	100

More climate for Guernsey

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV Index (Maximum)	1	2	3	4	6	7	7	6	4	2	1	1
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Recommended for Guernsey

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The climate guide for Guernsey shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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