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Normal weather for Guernsey in May

It's cool to moderate in May in Guernsey with an average temperature of 16°C. Temperatures this month range from a low of 13°C to a high of 18°C. At night, you can expect temperatures between 8°C and 12°C.

In May, there is an average of 68 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the South.

Guernsey in May

New York
Temperature Average Temperature
16°C 22°C
Sun High Temp
18°C 28°C
Sun Low Temp
13°C 17°C
Rain Total Precipitation
68 mm 105 mm
Rain Rainy Days
8 days 14 days

Start of May

The month of May starts in Guernsey with cool temps, averaging around 15°C during the day and nights around 10°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.

With the temperature difference between day and night, it’s smart to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

Mid May

By mid-May, daytime temps rise to around 16°C, with nights around 10°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

Since it cools down at night, it’s a good idea to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

End of May

By the end of May, the average daytime temperature in Guernsey is around 17°C, while nighttime temps are about 12°C. A shower might pop up, but overall, the weather will be dry and sunny.

Because temperatures drop in the evening, wearing layers is recommended. During the day, choose a light jacket, sweater or hoodie, and long pants. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

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UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Is May a good time to visit Guernsey?

Looking for sun and warm weather? May isn’t a good month to be in Guernsey. The temperatures are too low for a warm stay this month.

Temperature records for Guernsey in May

Check out the climate of Guernsey for all months and discover the best travel time

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Daily Temperature in May in Guernsey

This chart shows the average daily high and low temperatures in May for Guernsey, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in May in Guernsey

Daily Precipitation in May in Guernsey

The chart below shows the average daily precipitation in May for Guernsey, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 8 days of precipitation in Guernsey.

Daily Precipitation in May in Guernsey

Daily UV Index in May in Guernsey

This chart shows the average daily UV index in May in Guernsey, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in May in Guernsey

Temperature in May in Guernsey Over the Years

This chart shows the average temperature in May in Guernsey, measured in degrees Celsius, over the past few years.

Temperature in May in Guernsey Over the Years

Total Precipitation in May in Guernsey Over the Years

This chart shows the average precipitation in May in Guernsey, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in May in Guernsey Over the Years

Daily Climate in May for Guernsey

Click on any day in May to get detailed info about the usual weather on that day in Guernsey. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in May 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.


Or check out the climate of Guernsey for all months at once

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