St Julian's Weather in May
May in St Julian's brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 18°C (64°F). Rainfall is very low this month, averaging just 6.7 mm (0.3 in).
Rainfall in St Julian's in May
Expect around 3 days of rain based on historical data, with 6.7 mm (0.3 in) average. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in St Julian's in May
May in St Julian's is generally perfect, with days reaching 21°C (70°F) and nights settling around 18°C (64°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in St Julian's in May
The month enjoys around 308 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in St Julian's in May
May sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.
Average water temperature in May
With water at 18°C (64°F), swimming is comfortable for most people. It feels refreshing rather than cold, though it depends a bit on personal preference.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September, October and November typically offer the best weather for St Julian's.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Malta, check out our St Julian's's climate page.
St Julian's Temperature in May
Min Temperature
18°C (64°F)
Max Temperature
21°C (70°F)
Water Temperature
18°C (64°F) *
Chance of Rain
10%
Precipitation
6.7 mm (0.3 in)
Rainy days
3 days
Humidity
74% *
Windspeed
4 m/s (8 knots) *
Sunshine
308 hours *
Percentage Sunshine
70% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in St Julian's typically rise from around 21°C (70°F) at the start of May to approximately 25°C (77°F) by the end. Nights are pleasant, with lows typically ranging from 14°C (57°F) to 18°C (64°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for St Julian's in May
Browse day-by-day weather records for St Julian's spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
St Julian's historical weather extremes in May
Our historical data for St Julian's spans 1976 to 2025, revealing these weather extremes.
- The hottest May day on record in St Julian's reached 35°C (95°F) (May 23, 2006).
- The coldest May day was on May 7, 1987, with a maximum of 15°C (59°F).
- St Julian's registered its coldest May night on May 4, 1982, with temperatures dropping to 10°C (50°F).
Best Places in Malta in May
Find out more about the weather in Malta and which places have the best travel conditions in this month. See all of Malta in May →
perfect weather
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tolerable
unpleasant
poor
What to Wear in St Julian's in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Dry conditions mean you won't need to worry about rain protection. The water temperature sits at about 18°C (64°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in St Julian's in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Malta, check out our St Julian's's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full St Julian's climate overview or explore weather in Malta.
