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What’s the climate like in Guernsey?

The current climate in Guernsey features temperatures ranging from a high of 32°C to a low of 4°C throughout the year. The average yearly temperature is around 17°C. At night, temperatures in the colder months average around -9°C and in the warmer months around 15°C.

The highest temperature recorded in Guernsey in recent years was 41°C in July 2022. The lowest daytime temperature recorded was -21°C in February 2021.

On average, Guernsey gets 360 mm of precipitation each year. Of this, about 94 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.

Best time to visit Guernsey?

The best time to visit Guernsey for sunny weather is May through October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Guernsey. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

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Climate Table of Guernsey

The climate table of Guernsey shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 5 4 10 15 19 28 32 31 27 18 10 5
Temp. min (°C) -6 -9 -3 1 6 12 16 14 10 2 -4 -7
Precipitation
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Precipitation (mm) 5,1 5,6 26 28 103 42 54 36 31 15 11 2,4
Snow (cm) 14 13 16 13 6,1 0 0 0 1,5 4,8 16 9,7
UV Index 4 4 6 7 7 9 9 8 7 6 4 3

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 17°C
  • Highest temperature: 32°C in July
  • Lowest temperature: 4°C in February
  • Precipitation*: 360 mm per year, averaging 30 mm per month
  • Snowfall: 94 cm per year
  • Driest months: 2,4 mm in December, 5,1 mm in January and 5,6 mm in February
  • Wettest months: 103 mm in May, 54 mm in July and 42 mm in June

*Precipitation is measured as a combination of rain, snow, and hail

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Average Temperature per Month in Guernsey

This graph shows the average maximum temperatures per month in Guernsey, Wyoming. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Guernsey, Wyoming,

Average Precipitation per Month in Guernsey

This graph shows how much rainfall Guernsey, Wyoming, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.

Precipitation per Month in Guernsey, Wyoming,

Average Snowfall per Month in Guernsey

This graph shows how much snow Guernsey, Wyoming, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Guernsey, Wyoming,

Average UV Index per Month in Guernsey

This graph shows the average UV index per month in Guernsey, Wyoming. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Guernsey, Wyoming,

Yearly Temperature in Guernsey

This graph shows the average yearly temperature in Guernsey, Wyoming. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Guernsey, Wyoming,

Total Yearly Precipitation in Guernsey

This chart shows the total yearly precipitation in Guernsey, Wyoming, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Guernsey, Wyoming,

Total Yearly Snowfall in Guernsey

This chart shows the total yearly snowfall in Guernsey, Wyoming, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Guernsey, Wyoming,

Weather experiences in Guernsey

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Average Weather in Guernsey by Month

Click on a month below to see detailed weather info for Guernsey. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.

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