Portorož Weather in April
April in Portorož brings moderate temperatures around 16°C (61°F) during the day, dropping to 11°C (52°F) at night, with quite a bit of rainfall expected, averaging around 89 mm (3.5 in) for the month.
Rainfall in Portorož in April
You can expect rain on roughly 13 days based on historical data, averaging 89 mm (3.5 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Portorož in April
Daytime highs in Portorož in April reach 16°C (61°F), with nights around 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Portorož in April
Expect sunny days throughout the month, with an estimated 197 hours of sunshine. This makes it a pleasant time to visit Portorož.If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Portorož.
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 Portorož's climate page.
Portorož Temperature in April
Min Temperature
11°C (52°F)
Max Temperature
16°C (61°F)
Chance of Rain
44%
Precipitation
89 mm (3.5 in)
Rainy days
13 days
Humidity
55%
Sunshine
197 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Portorož typically stay consistent throughout April, with daily highs averaging around 16°C (61°F). Nights are cool, with lows typically ranging from 6°C (43°F) to 10°C (50°F).
Average temperatures in April
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 April
Historical weather for Portorož in April
Browse day-by-day weather records for Portorož spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Portorož historical weather extremes in April
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Portorož.
- The hottest April day on record in Portorož reached 28°C (82°F) (April 28, 2012).
- The lowest daytime temperature in April was 7°C (45°F), recorded on April 18, 1991.
- Nighttime temperatures dropped to -4°C (25°F) on April 8, 2003, marking the coldest April night on record.
Best Places in Slovenia in April
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in April →
perfect weather
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tolerable
unpleasant
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What to Wear in Portorož in April
The weather can swing between comfortable and chilly in April, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Portorož in April
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 Portorož's climate page.
Temperature Rainfall Sunshine Humidity
See the full Portorož climate overview or explore weather in Slovenia.
