Used it in HK, Japan (transit), USA, Mexico, and Canada and never had a problem with it. Only 4G but the speed was sufficient for my browsing needs which mostly consisted of google maps, messaging apps, tiktok, and google search. The free 15 minute call credit was also super useful. Will definitely repurchase in my next trip!
Anonymous User
Business traveler
Guernsey Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Guernsey year round climate
Spring (March–May): Average 8.9–12.8°C, mild climate with occasional showers but generally sunny. Popular activities: Coastal walks, exploring island attractions. Suggested clothing: Light jacket, comfortable trousers or skirt, and warm underlayers.
Summer (June–August): Average 15.4–17.7°C, warm and pleasant climate, sunny with occasional showers. Popular activities: Beach relaxation, water sports, outdoor picnics. Suggested clothing: Short-sleeved shirts, shorts, light sandals, and a light jacket for cooler evenings.
Autumn (September–November): Average 11.1–16.4°C, gradually cooling climate with increasing rainfall, especially in November. Popular activities: Enjoying autumn scenery, museum visits. Suggested clothing: Long-sleeved shirts, light jacket, comfortable trousers, and a waterproof jacket.
Winter (December–February): Average 7.5–8.9°C, cold and damp climate with frequent rain. Popular activities: Indoor activities, trying local cuisine. Suggested clothing: Warm jacket, sweater, trousers, waterproof jacket and shoes.
Guernsey climatological average
Annual average temperature: approx. 12.4°C / Annual rainfall: approx. 1029 mm / Summer humidity: 65%–75% / Rainiest month: November
Guernsey monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
7.5°C
115.5
February
8.6°C
68.2
March
8.9°C
99.2
April
9.9°C
58.8
May
12.8°C
32.2
June
15.4°C
35
July
17.2°C
40.5
August
17.7°C
58.8
September
16.4°C
92.2
October
14.5°C
108.4
November
11.1°C
171.2
December
8.9°C
149
Guernsey weather for the next seven days
4/24
Friday
Sunny
13.6°C/10.8°C
4/25
Saturday
Sunny
13.3°C/11.1°C
4/26
Sunday
Partly Cloudy
13.4°C/11.3°C
4/27
Monday
Partly Cloudy
11.5°C/10.7°C
4/28
Tuesday
Sunny
11.1°C/10.7°C
4/29
Wednesday
Sunny
10.6°C/10.4°C
4/30
Thursday
Sunny
12°C/10.4°C
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