Portorož Weather in March
March in Portorož brings moderate temperatures around 13°C (55°F) during the day, dropping to 7°C (45°F) at night, with quite a bit of rainfall expected, averaging around 83 mm (3.3 in) for the month.
Rainfall in Portorož in March
Expect around 11 days of rain based on historical data, with 83 mm (3.3 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Portorož in March
Expect highs of 13°C (55°F) in Portorož in March, with nights dropping to around 7°C (45°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Portorož in March
The city usually sees around 173 hours of sunlight, indicating a moderately sunny period.If you prefer enjoying temperate temperatures and rain-free days, May, 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 Portorož's climate page.
Portorož Temperature in March
Min Temperature
7°C (45°F)
Max Temperature
13°C (55°F)
Chance of Rain
38%
Precipitation
83 mm (3.3 in)
Rainy days
11 days
Humidity
57%
Sunshine
173 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Portorož typically rise from around 12°C (54°F) at the start of March to approximately 15°C (59°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 7°C (45°F).
Average temperatures in March
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 March
Historical weather for Portorož in March
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 March
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Portorož.
- The hottest March day on record in Portorož reached 24°C (75°F) (March 25, 1977).
- The lowest daytime temperature in March was 1°C (34°F), recorded on March 1, 2018.
- Nighttime temperatures dropped to -10°C (14°F) on March 2, 2005, marking the coldest March night on record.
Best Places in Slovenia in March
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in March →
perfect weather
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tolerable
unpleasant
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What to Wear in Portorož in March
The weather can swing between comfortable and chilly in March, 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Portorož in March
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.
