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The weather in May in Isles of Scilly

It's cool to moderate in May in Isles of Scilly with an average temperature of 15°C. Temperatures this month range from a low of 13°C to a high of 17°C. At night, you can expect temperatures between 9°C and 13°C.

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

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Isles of Scilly, England. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 22°C in 2020, Isles of Scilly reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 10°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 15°C.

Rainfall amount

In May, there is an average of 40 mm of precipitation, spread over 8 days. The wind speed is around 5 Bft, mostly coming from the South.

Daily weather in May for Isles of Scilly

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

May weather comparison

  Isles of Scilly New York
Average temperature 15°C 22°C
Max. temperature 17°C 28°C
Min. temperature 9°C -5°C
Total precipitation 40 mm 105 mm
Rainy days 8 days 14 days

Start of May

The month of May starts in Isles of Scilly with cool temps, averaging around 14°C during the day and nights around 11°C.

Mid May

By mid-May, daytime temps rise to around 15°C, with nights around 11°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of May

By the end of May, the average daytime temperature in Isles of Scilly is around 16°C, while nighttime temps are about 12°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Find affordable vacations to Isles of Scilly

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

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

Curious about the weather in other parts of England? Check out the climate and weather for spots like London, Edinburgh, Cornwall, or explore other destinations in England.

Temperature charts

These charts show the average temperatures in May in Isles of Scilly, England. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Isles of Scilly

Temperature in May in Isles of Scilly over the years

Precipitation charts

These charts show the average amount of precipitation in May in Isles of Scilly, England. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Isles of Scilly

Total precipitation in May in Isles of Scilly over the years

Daily UV index in May in Isles of Scilly

This chart shows the average daily UV index in May in Isles of Scilly, 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.

Weather experiences in May in Isles of Scilly

The weather in May in Isles of Scilly is rated 4 out of 5 stars by 1 visitor. Have you been to Isles of Scilly? Share your weather experience to help other visitors.

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Weather experience:Good StarStarStarStar

Lots of sunshine and pleasant temperature, around 15 degrees. Not too hot, but comfortable. Sometimes it rains, so bring an umbrella. Happy vacations!— This text is automatically translated to English

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Average weather in Isles of Scilly by month

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