San Ġwann Weather in May
During May, San Ġwann experiences pleasant daytime temperatures of 21°C (70°F) and cooler nights around 18°C (64°F). Rainfall is low, averaging just 6.7 mm (0.3 in) for the month.
Rainfall in San Ġwann in May
Based on our climate data of the past 30 years, about 3 days of rain are anticipated, with 6.7 mm (0.3 in) on average. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in San Ġwann in May
San Ġwann in May is worth a visit. The temperature is excellent, with 21°C (70°F) during the day and 18°C (64°F) at night. The difference between afternoon and evening temperatures is usually noticeable. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in San Ġwann in May
Enjoy a sunny month with about 308 hours of sunshine, the clear skies make San Ġwann even more beautiful.
Wind Speed in San Ġwann in May
In May, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in May
At 18°C (64°F), the water is getting there, comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September, October and November typically offer the best circumstances for San Ġwann.
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 San Ġwann's climate page.
San Ġwann 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 San Ġwann 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 San Ġwann in May
Browse day-by-day weather records for San Ġwann spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Ġwann historical weather extremes in May
According to our 50 years of weather records for San Ġwann, the following extremes were recorded between 1976 and 2026.
- San Ġwann recorded its highest May temperature of 35°C (95°F) on May 23, 2006.
- The coldest May day was on May 7, 1987, with a maximum of 15°C (59°F).
- The lowest overnight temperature recorded in May was 10°C (50°F) (May 4, 1982).
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 San Ġwann in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home. Expect water temperatures of around 18°C (64°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Ġwann 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 San Ġwann's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full San Ġwann climate overview or explore weather in Malta.
