May
Weather in May
Temperature
As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a refreshing 19.1°C (66.4°F) to a moderately hot 23.3°C (73.9°F). The average temperature in Valletta during May nights dips to a refreshing 14.9°C (58.8°F).Rainfall
In Valletta, during May, the rain falls for 3 days and regularly aggregates up to 7mm (0.28") of precipitation. In Valletta, during the entire year, the rain falls for 80 days and collects up to 553mm (21.77") of precipitation.Sea temperature
In May, the average sea temperature is 18.8°C (65.8°F).Note: Swimming in 18.8°C (65.8°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F).
Daylight
The average length of the day in May is 14h and 4min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:49 pm. On the last day of May, sunrise is at 5:46 am and sunset at 8:12 pm CEST.
Sunshine
In Valletta, the average sunshine in May is 10h.UV index
In Valletta, the average daily maximum UV index in May is 9. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 9 during May, leads to the following recommendations:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
How much does it rain in May?
How cold is the water in May?
How many hours of daylight does Valletta have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Valletta have in May?
What is the UV index intensity in May?
Average temperature in May
Valletta, Malta
- Average high temperature in May: 23.3°C
The warmest months (with the highest average high temperature) are July and August (30.7°C).
The month with the lowest average high temperature is January (15.2°C).
- Average low temperature in May: 14.9°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).
Average rainfall in May
Valletta, Malta
- Average rainfall in May: 7mm
The wettest month (with the highest rainfall) is December (112mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in May
Valletta, Malta
- Average rainfall days in May: 3 days
The months with the highest number of rainy days are January and December (13 days).
The month with the least rainy days is July (0 days).
Average sea temperature in May
Valletta, Malta
- Average sea temperature in May: 18.8°C
The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest months (with the lowest average sea temperature) are February and March (15.4°C).
Average daylight in May /
Average sunshine in May
Valletta, Malta
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average UV index in May
Valletta, Malta
- Average UV index in May: 9
The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).
