Izola Weather in May
Izola in May sees pleasant temperatures, with highs around 21°C (70°F) and overnight lows of 15°C (59°F). Rainfall is fairly high at around 102 mm (4 in) on average, so pack waterproofs just in case.
Rainfall in Izola in May
Based on our climate data of the past 30 years, about 14 days of rain are anticipated, with 102 mm (4 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Izola in May
May in Izola sees highs of 21°C (70°F) and lows of 15°C (59°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. 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 Izola in May
The city usually sees around 256 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you prefer dry days with pleasant temperatures, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Izola's climate page.
Izola Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
21°C (70°F)
Chance of Rain
47%
Precipitation
102 mm (4 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 Izola 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 11°C (52°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 Izola in May
Browse day-by-day weather records for Izola spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Izola historical weather extremes in May
According to our 50 years of weather records for Izola, the following extremes were recorded between 1976 and 2026.
- Izola recorded its highest May temperature of 32°C (90°F) on May 29, 2008.
- The coldest May day was on May 13, 1978, with a maximum of 9°C (48°F).
- The lowest overnight temperature recorded in May was 3°C (37°F) (May 1, 1976).
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 Izola 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Izola 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 Izola's climate page.
Temperature Rainfall Sunshine Humidity
See the full Izola climate overview or explore weather in Slovenia.
