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Lucija Weather in May

May in Lucija averages 21°C (70°F) during the day and 15°C (59°F) at night. Quite a bit of rainfall is typical this month, with around 94 mm (3.7 in) on average. An umbrella is a good idea.

Rainfall in Lucija in May

Historically, the month has about 14 days of rain, averaging 94 mm (3.7 in) in total. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Lucija in May

May in Lucija is generally excellent, with days reaching 21°C (70°F) and nights settling around 15°C (59°F). The difference between afternoon and evening temperatures is usually noticeable. At 15°C (59°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 Lucija in May

The month enjoys around 256 hours of sunshine, creating mostly sunny days with good weather conditions.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Slovenia, check out our Lucija's climate page.

Lucija Temperature in May

Min TemperatureMin Temperature 15°C (59°F)  
Max TemperatureMax Temperature 21°C (70°F)  
Chance of RainChance of Rain 46%  
PrecipitationPrecipitation 94 mm (3.7 in)  
Rainy daysRainy days 14 days  
HumidityHumidity 54% *  
SunshineSunshine 256 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Portorož, Slovenia (2 KM, 1 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Lucija typically rise from around 21°C (70°F) at the start of May to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°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 Lucija in May

Browse day-by-day weather records for Lucija spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Lucija historical weather extremes in May

Our historical data for Lucija spans 1976 to 2026, revealing these weather extremes.

  • The hottest May day on record in Lucija reached 33°C (91°F) (May 29, 2008).
  • Lucija experienced its chilliest May day on May 4, 1981, reaching only 10°C (50°F).
  • Lucija registered its coldest May night on May 6, 1981, with temperatures dropping to 3°C (37°F).

Best Places in Slovenia in May

Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in May →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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 Lucija 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Lucija in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
9/10
Walking
9/10
Barbeque
8/10
Camping
8/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Slovenia, check out our Lucija's climate page.

More climate data for Lucija