May weather forecast
Valletta, Malta

The cityscape of Valletta, Malta
The cityscape of Valletta, Malta

Weather in May

May, the last month of the spring in Valletta, is a moderately hot month, with temperature in the range of an average low of 14.9°C (58.8°F) and an average high of 23.3°C (73.9°F).

Temperature

In Valletta, the average high-temperature in May marginally rises from a comfortable 19.1°C (66.4°F) in April to a warm 23.3°C (73.9°F). In May, the average low-temperature is 14.9°C (58.8°F).

Rainfall

In Valletta, during 3 rainfall days, 7mm (0.28") of precipitation is typically accumulated. Throughout the year, in Valletta, 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: For most, swimming in 18.8°C (65.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Valletta, the average length of the day in May is 14h and 4min.
On the first day of May, sunrise is at 6:09 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:12 pm CEST.

Sunshine

In Valletta, the average sunshine in May is 10h.

UV index

The average daily maximum UV index in May in Valletta is 9. A UV Index of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In May, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

How many days does it rain in May in Valletta?

In Valletta, in May, it is raining for 3 days, with typically 7mm (0.28") of accumulated precipitation.

How cold is the water in May in Valletta?

In Valletta, in May, the average water temperature is 18.8°C (65.8°F). For swimming, a surface water temperature of 18.8°C (65.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Valletta have in May?

In Valletta, Malta, the average day length in May is 14h and 4min.

When is the sunrise / sunset in May in Valletta?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:12 pm CEST.

How many hours of sunshine does Valletta have in May?

In May, the average sunshine duration in Valletta, Malta, is 10h.

How high is the UV index in May in Valletta?

In May, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV radiation.

Average temperature in May
Valletta, Malta

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).

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Average rainfall in May
Valletta, Malta

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).

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Average rainfall days in May
Valletta, Malta

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).

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Average sea temperature in May
Valletta, Malta

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).

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Average daylight in May /
Average sunshine in May
Valletta, Malta

Average daylight in May / Average sunshine in May - Valletta, Malta
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 34min).
The month with the shortest days is December (Average daylight: 9h and 46min).

  • Average sunshine in May: 10h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.2h).

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Average UV index in May
Valletta, Malta

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).

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