San Ġwann
Weather by month
Current –

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.

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% *
* Data from: Valletta, Malta (3 KM, 2 Miles).

San Ġwann Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in San Ġwann - and find the best time to visit.

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 records 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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    9/10
  • Camping
    10/10
  • Outdoor sports
    10/10

San Ġwann 3-Day Forecast

More climate data for San Ġwann

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.