Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's onset in Isles of Scilly sees an average high-temperature of a still fresh 12.3°C (54.1°F), exhibiting a slight fluctuation from the previous month. Isles of Scilly's May nights experience a subtle temperature dip to an average of 10.8°C (51.4°F).Humidity
The average relative humidity in May in Isles of Scilly, United Kingdom, is 84%.Rainfall
May is the month with the least rainfall in Isles of Scilly. Rain falls for 13.7 days and accumulates 29mm (1.14") of precipitation.Snowfall
In Isles of Scilly, snow does not fall in January, February, April through September, November and December.Sea temperature
In May, the average sea temperature in Isles of Scilly is 12.2°C (54°F).Note: Beware when you're in 12.2°C (54°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
The average length of the day in May is 15h and 26min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:44 pm. On the last day of May, in Isles of Scilly, United Kingdom, sunrise is at 5:21 am and sunset at 9:24 pm BST.
Sunshine
May has the most sunshine of the year, with an average of 8.5h of sunshine.UV index
In Isles of Scilly, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the usual temperature for Isles of Scilly in May?
What is the average humidity in May in Isles of Scilly?
What is the driest month in Isles of Scilly?
How much does it rain in Isles of Scilly in May?
When it does not snow in Isles of Scilly?
How cold is the water in May in Isles of Scilly?
What is the average length of the day in May in Isles of Scilly?
When is the sunrise / sunset in May in Isles of Scilly?
What month has the most sunshine in Isles of Scilly?
How many hours of sunshine does Isles of Scilly have in May?
What is the UV index reading in May in Isles of Scilly?
Average temperature in May
Isles of Scilly, United Kingdom
- Average high temperature in May: 12.3°C
The warmest month (with the highest average high temperature) is August (17.2°C).
The month with the lowest average high temperature is February (9.7°C).
- Average low temperature in May: 10.8°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.9°C).
Average pressure in May
Isles of Scilly, United Kingdom
- Average pressure in May: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in May
Isles of Scilly, United Kingdom
- Average wind speed in May: 24.4km/h
The windiest month (with the highest average wind speed) is December (35.9km/h).
The calmest month (with the lowest average wind speed) is July (23.8km/h).
Average humidity in May
Isles of Scilly, United Kingdom
- Average humidity in May: 84%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February, November and December (78%).
Average rainfall in May
Isles of Scilly, United Kingdom
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is May (29mm).
Average rainfall days in May
Isles of Scilly, United Kingdom
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is November (21.3 days).
The month with the least rainy days is June (13.1 days).
Average snowfall days in May
Isles of Scilly, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is March (0.2 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, November and December (0 days).
Average sea temperature in May
Isles of Scilly, United Kingdom
- Average sea temperature in May: 12.2°C
The best month for swimming (with the highest average sea temperature) is August (17.3°C).
The coldest month (with the lowest average sea temperature) is March (10.1°C).
Average daylight in May /
Average sunshine in May
Isles of Scilly, United Kingdom
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in May
Isles of Scilly, United Kingdom
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is June (15 days).
The month with the least sunshine days is November (5.7 days).
Average UV index in May
Isles of Scilly, United Kingdom
- Average UV index in May: 4
The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in May
Isles of Scilly, United Kingdom
- Average cloud cover in May: 45
The months with the most cloud cover are January and December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 44).
Average visibility in May
Isles of Scilly, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Isles of Scilly, United Kingdom
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