Saint Julian's
Malta
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Saint Julian's, Malta

The last month of the spring, May, is a moderately hot month in Saint Julian's, Malta, with average temperature ranging between max 23°C (73.4°F) and min 15°C (59°F).

Temperature

In Saint Julian's, the average high-temperature marginally rises, from a comfortable 19°C (66.2°F) in April, to a warm 23°C (73.4°F). In Saint Julian's, the average low-temperature is 15°C (59°F).

Rainfall

In May, in Saint Julian's, the rain falls for 3 days. Throughout May, 7mm (0.3") of precipitation is accumulated. In Saint Julian's, during the entire year, the rain falls for 80 days and collects up to 499mm (19.6") of precipitation.

Sea temperature

In May, the average sea temperature is 18.7°C (65.7°F).
Note: For most, swimming in 18.7°C (65.7°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

The average length of the day in May is 14.1h.

Sunshine

In May, the average sunshine in Saint Julian's is 10h.

UV index

The average daily maximum UV index in Saint Julian's is 9. A UV Index reading of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 9 in May interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn 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 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.

What is the temperature in May in Saint Julian's?

The average high-temperature, in May, is 23°C (73.4°F), while the average low-temperature is 15°C (59°F).

How many days does it rain in May in Saint Julian's?

In Saint Julian's, Malta, during May, the rain falls for 3 days and regularly aggregates up to 7mm (0.3") of precipitation.

How cold is the water in May in Saint Julian's?

In May, the average sea temperature in Saint Julian's is 18.7°C (65.7°F). Swimming in 18.7°C (65.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Saint Julian's have in May?

The average length of the day in May is 14.1h.

How many hours of sunshine does Saint Julian's have in May?

The average sunshine in May in Saint Julian's, Malta, is 10h.

How high is the UV index in May in Saint Julian's?

The average daily maximum UV index in May in Saint Julian's is 9. A UV Index estimate of 8 to 10 represents a very high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Saint Julian
  • Average high temperature in May: 23°C

Warmest months (with the highest average high temperature) are July and August (30°C).
Months with the lowest average high temperature are January and February (15°C).

  • Average low temperature in May: 15°C

The month with the highest average low temperature is August (22°C).
Coldest months (with the lowest average low temperature) are January and February (9°C).

Average rainfall in May - Saint Julian
  • Average rainfall in May: 7mm

The wettest month (with the highest rainfall) is December (99mm).
The driest month (with the lowest rainfall) is July (0mm).

Average rainfall days in May - Saint Julian
  • Average rainfall days in May: 3 days

Months with the highest number of rainy days are January and December (13 days).
The month with the lowest number of rainy days is July (0 days).

Average sea temperature in May - Saint Julian
  • Average sea temperature in May: 18.7°C

The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

Average daylight in May / Average sunshine in May - Saint Julian
  • Average daylight in May: 14.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 10h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in May - Saint Julian
  • Average UV index in May: 9

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).