Ankaran Weather in May
Ankaran in May sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 14°C (57°F). Rainfall is fairly high this month at around 112 mm (4.4 in), so pack a rain jacket to stay dry.
Rainfall in Ankaran in May
The climate data from previous years indicates about 14 days of rain, averaging 112 mm (4.4 in) for the month. 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 Ankaran in May
Temperatures in Ankaran in May top out at 21°C (70°F) and drop to 14°C (57°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. At 14°C (57°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 Ankaran in May
There are approximately 227 hours of sunshine this month, resulting in mostly clear days.
Average water temperature in May
The water is 17°C (63°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.For Ankaran itself, June, July and August generally stand out with 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 Ankaran's climate page.
Ankaran Temperature in May
Min Temperature
14°C (57°F)
Max Temperature
21°C (70°F)
Water Temperature
17°C (63°F) *
Chance of Rain
47%
Precipitation
112 mm (4.4 in)
Rainy days
14 days
Humidity
64% *
Sunshine
227 hours *
Percentage Sunshine
51% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ankaran typically rise from around 20°C (68°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 Ankaran in May
Browse day-by-day weather records for Ankaran spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ankaran historical weather extremes in May
Our historical data for Ankaran spans 1976 to 2026, revealing these weather extremes.
- On May 28, 2003, temperatures climbed to 32°C (90°F), marking the warmest May day on record.
- On May 13, 1978, Ankaran saw its coldest May day with temperatures maxing out at 9°C (48°F).
- The coldest night in May in Ankaran was on May 6, 1981, with a minimum of 3°C (37°F).
- The wettest May day on record brought 54 mm (2.1 in) of precipitation to Ankaran (May 27, 2007).
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 →
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What to Wear in Ankaran 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. Expect water temperatures of around 17°C (63°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 Ankaran 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 Ankaran's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Ankaran climate overview or explore weather in Slovenia.
