St Julian’s, Malta weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Fair
Best time to visit: June – September
What is the weather like in St Julian’s, Malta in May?
In May, St Julian’s, Malta is mild: daytime highs average 21 °C, and nights cool down to about 18 °C. The sea averages 18.7 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, May is a so-so month for a holiday in St Julian’s, Malta.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 14 h 2 min05:57 – 19:59
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or more
- Wind
- 27 km/haverage daily peak
- Cloud cover
- 29 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+2Europe/Malta
How the score comes together
- Temperatureweight 35 %28 %
- Seaweight 25 %24 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in May
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
St Julian’s, Malta in May: quick answers
Is St Julian’s, Malta hot in May?
No. In May, St Julian’s, Malta is mild: daytime highs average 21 °C and nights drop to about 18 °C.
Can you swim in St Julian’s, Malta in May?
Only if you don't mind cold water: in May the sea averages just 18.7 °C. Comfortable swimming is possible from June to November.
Does it rain much in St Julian’s, Malta in May?
It hardly ever rains.
St Julian’s, Malta month by month
The whole year in St Julian’s, MaltaAll destinations: MaltaWhere to go in MaySea temperature in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)