Sliema Weather in May
May in Sliema typically sees daytime highs of 21°C (70°F) and nighttime lows of 18°C (64°F). Minimal rainfall is typical for this month.
Rainfall in Sliema in May
Rain is expected on roughly 3 days, totalling around 6.7 mm (0.3 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Sliema in May
May tends to be one of the perfect months in Sliema, with 21°C (70°F) in the afternoon and 18°C (64°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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 Sliema in May
With approximately 308 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Sliema in May
Wind speeds average 4 m/s (8 knots) during May. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.
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.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
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 Sliema's climate page.
Sliema 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 Sliema 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 Sliema in May
Browse day-by-day weather records for Sliema spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sliema historical weather extremes in May
Our historical data for Sliema spans 1976 to 2025, revealing these weather extremes.
- The hottest May day on record in Sliema reached 35°C (95°F) (May 23, 2006).
- On May 7, 1987, Sliema saw its coldest May day with temperatures maxing out at 15°C (59°F).
- Nighttime temperatures dropped to 10°C (50°F) on May 4, 1982, marking the coldest May night on record.
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
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What to Wear in Sliema 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. With water temperatures around 18°C (64°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Sliema 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 Sliema's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Sliema climate overview or explore weather in Malta.
