May weather forecast
Valletta, Malta

May ushers in the early breath of summer, with a considerable leap in the city's overall temperature. The weather shifts dramatically, resulting in a more substantial temperature high of 23.3°C (73.9°F) in Valletta. This month witnesses the sun at its flirtiest, generously providing 14.1 hours of daylight. Rainfall in the city becomes a rarity, settling to just 7mm (0.28"). With a UV index of 9, residents and tourists alike need to stay vigilant against sun damage.

Temperature

As Valletta enters May, the average high-temperature marginally increases from the a comfortable 19.1°C (66.4°F) of April to a warm 23.3°C (73.9°F). In Valletta, May is marked by an average low-temperature of 14.9°C (58.8°F).

Rainfall

In May, in Valletta, the rain falls for 3 days. Throughout May, 7mm (0.28") of precipitation is accumulated. Throughout the year, there are 80 rainfall days, and 553mm (21.77") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature in Valletta is 18.8°C (65.8°F).
Note: In water with a temperature of 18.8°C (65.8°F), most individuals do not find swimming enjoyable. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), breathing control becomes more difficult.

Daylight

In May, the average length of the day 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, in Valletta, sunrise is at 5:46 am and sunset at 8:12 pm CEST.

Sunshine

In May, the average sunshine is 10h.

UV index

In Valletta, the average daily maximum UV index in May is 9. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 9 in May translates into the following instructions:
Protection is paramount; otherwise, swift harm can come to the skin and eyes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.