Guernsey weather, climate and best time to visit

Best time to visit Guernsey

The best time to visit in Guernsey is from June until October, when you will have a soft or pleasant temperature and limited rainfall. The highest average temperature in in Guernsey is 18°C in August and the lowest is 9°C in February.

Guernsey has the oceanic climate prevailing. If you want to know what the average temperature is in in Guernsey or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.

Average weather Guernsey by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temperature (°C) 10 9 10 11 13 15 17 18 17 16 13 11
Precipitation (mm) 58 41 33 23 21 23 26 34 28 45 71 60

Travel and stay Guernsey

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14 day weather forecast Guernsey

The weather for in Guernsey will be 18° till 15° degrees in the next 14 days with a few days chance of light rain showers.

The weather forecast for Guernsey is based on the weather conditions in the city of Saint Peter Port.

Weather forecast this week

Thursday 16 Sep Water Precip Chance Wind UV
18°
15°
17° 0 mm 0% 3 m/s 3
Friday 17 Sep Water Precip Chance Wind UV
18°
15°
17° 0.3 mm 25% 3 m/s 3
Saturday 18 Sep Water Precip Chance Wind UV
18°
16°
17° 0 mm 0% 3 m/s 2
Sunday 19 Sep Water Precip Chance Wind UV
16°
15°
17° 0 mm 0% 3 m/s 5
Monday 20 Sep Water Precip Chance Wind UV
16°
14°
17° 0 mm 0% 7 m/s 1
Tuesday 21 Sep Water Precip Chance Wind UV
14°
13°
17° 0 mm 0% 12 m/s 1
Wednesday 22 Sep Water Precip Chance Wind UV
15°
13°
17° 0 mm 0% 9 m/s 5

Weather forecast next week

Thursday 23 Sep Water Precip Chance Wind UV
16°
14°
17° 1.4 mm 60% 4 m/s 4
Friday 24 Sep Water Precip Chance Wind UV
17°
15°
17° 0.3 mm 20% 5 m/s 3
Saturday 25 Sep Water Precip Chance Wind UV
17°
16°
17° 0.4 mm 30% 5 m/s 0
Sunday 26 Sep Water Precip Chance Wind UV
18°
16°
17° 0 mm 0% 6 m/s 0
Monday 27 Sep Water Precip Chance Wind UV
17°
14°
17° 1.1 mm 50% 9 m/s 0
Tuesday 28 Sep Water Precip Chance Wind UV
15°
14°
17° 0.4 mm 25% 4 m/s 0
Wednesday 29 Sep Water Precip Chance Wind UV
14°
13°
17° 0 mm 0% 4 m/s 0

Climate Guernsey

Guernsey has the oceanic climate prevailing. There is rainfall during all months of the year. The average annual temperature for Guernsey is 13° degrees and there is about 463 mm of rain in a year. It is dry for 131 days a year with an average humidity of 80% and an UV-index of 4.

Climate table of Guernsey

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 10 9 10 11 13 15 17 18 17 16 13 11
Night temp. (°C) 8 7 8 10 12 14 16 17 16 14 12 10
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 58 41 33 23 21 23 26 34 28 45 71 60
Days with rain 22 17 16 13 12 10 13 13 12 17 22 21
Dry days 9 11 15 17 19 20 18 18 18 14 8 10
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 4 4 6 10 9 9 10 9 9 5 4 4
Wind force (Bft) 5 5 5 4 4 4 4 4 4 5 5 5
UV-index 3 2 3 4 4 4 5 5 5 4 3 3
Climate data from city: Saint Peter Port

Guernsey weather by month

What is the average weather like in a given month for Guernsey? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.

Weather experiences Guernsey

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Frequently asked questions

Where is Guernsey?

Guernsey lies in a straight line about 9,502 km from New Zealand (Cape Town → Saint Peter Port). By car the distance is 12,990 km. You are on your way 174 hours and 20 minutes without delay.

How long is the flight to Guernsey?

The flight time from Cape Town International Airport to Guernsey is approximately 13 h. 10 min.

What are the largest airports in Guernsey?

These are the largest airports in Guernsey:

How many inhabitants are there in Guernsey?

Guernsey has approximately 62,723 inhabitants.

How big is Guernsey?

The area of Guernsey is around 65 km². It is 18785x smaller than New Zealand.

What is the capital of Guernsey?

The capital of Guernsey is Saint Peter Port.

What is the area code of Guernsey?

The area code to call Guernsey is +44.