Strunjan Weather in May
Thinking of visiting Strunjan in May? Expect pleasant temperatures reaching 21°C (70°F) during the day, dropping to 15°C (59°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Strunjan in May
Records from the past 30 years suggest around 14 days of rain, with 96 mm (3.8 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Strunjan in May
Weather in Strunjan is at its perfect in May. Highs reach 21°C (70°F), while nights settle around 15°C (59°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Strunjan in May
The city usually sees around 256 hours of sunlight, indicating many sunny days — a great month for sightseeing.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July and August typically offer the best weather for Strunjan.
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 Strunjan's climate page.
Strunjan Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
21°C (70°F)
Chance of Rain
46%
Precipitation
96 mm (3.8 in)
Rainy days
14 days
Humidity
54% *
Sunshine
256 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Strunjan 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 Strunjan in May
Browse day-by-day weather records for Strunjan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Strunjan historical weather extremes in May
According to our 49 years of weather records for Strunjan, the following extremes were recorded between 1976 and 2025.
- Strunjan recorded its highest May temperature of 33°C (91°F) on May 29, 2008.
- On May 4, 1981, Strunjan saw its coldest May day with temperatures maxing out at 10°C (50°F).
- The coldest night in May in Strunjan was on May 6, 1981, with a minimum of 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 →
perfect weather
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tolerable
unpleasant
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What to Wear in Strunjan 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. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Strunjan 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 Slovenia, check out our Strunjan's climate page.
Temperature Rainfall Sunshine Humidity
See the full Strunjan climate overview or explore weather in Slovenia.
