May
Weather in May
Temperature
The onset of May introduces a subtle rise in the average high-temperature, nudging from an agreeable 21°C (69.8°F) in April to a warm 24°C (75.2°F). In Islantilla, an average low-temperature of 13°C (55.4°F) is recorded during May nights.Rainfall
In May, the rain falls for 6 days. Throughout May, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 90 rainfall days, and 523mm (20.59") of precipitation is accumulated.Sea temperature
In May, the average sea temperature is 18°C (64.4°F).Note: The majority of individuals do not enjoy swimming in water that is 18°C (64.4°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Islantilla, Spain, the average length of the day in May is 14h and 10min.On the first day of May, sunrise is at 07:33 and sunset at 21:18. On the last day of the month, sunrise is at 07:10 and sunset at 21:43 CEST.
Sunshine
In Islantilla, the average sunshine in May is 10h.UV index
In May, the average daily maximum UV index is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 8 in May interprets into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Islantilla in May?
How much does it rain in Islantilla in May?
What is the sea water temperature in May in Islantilla?
What is the average length of the day in May in Islantilla?
When is the sunrise / sunset in May in Islantilla?
How long on average sun shines in May in Islantilla?
What is the UV index intensity in May in Islantilla?
Average temperature in May
Islantilla, Spain
- Average high temperature in May: 24°C
The warmest months (with the highest average high temperature) are July and August (31°C).
The months with the lowest average high temperature are January and December (16°C).
- Average low temperature in May: 13°C
The month with the highest average low temperature is August (19°C).
The coldest month (with the lowest average low temperature) is January (7°C).
Average rainfall in May
Islantilla, Spain
- Average rainfall in May: 26mm
The wettest month (with the highest rainfall) is December (87mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in May
Islantilla, Spain
- Average rainfall days in May: 6 days
The month with the highest number of rainy days is December (13 days).
The months with the least rainy days are July and August (1 days).
Average sea temperature in May
Islantilla, Spain
- Average sea temperature in May: 18°C
The best month for swimming (with the highest average sea temperature) is August (22°C).
The coldest months (with the lowest average sea temperature) are January, February and March (16°C).
Average daylight in May /
Average sunshine in May
Islantilla, Spain
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 10h
The month with the most sunshine is July (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 5h).
Average UV index in May
Islantilla, Spain
- Average UV index in May: 8
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
