Portorož Weather in October
During October, Portorož experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 14°C (57°F). Expect quite a bit of rainfall. Around 164 mm (6.5 in) is typical.
Rainfall in Portorož in October
Typically, you can expect about 11 days of rain this month, with 164 mm (6.5 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Portorož in October
If you're visiting Portorož in October, expect highs of 19°C (66°F) and overnight lows around 14°C (57°F). 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 Portorož in October
The city usually sees around 166 hours of sunlight, indicating a moderately sunny period.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 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 October
Min Temperature
14°C (57°F)
Max Temperature
19°C (66°F)
Chance of Rain
37%
Precipitation
164 mm (6.5 in)
Rainy days
11 days
Humidity
60%
Sunshine
166 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Portorož typically drop from around 21°C (70°F) at the start of October to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 13°C (55°F).
Average temperatures in October
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 October
Historical weather for Portorož in October
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 October
Based on 49 years of weather observations in Portorož between 1976 and 2025, these are the recorded extremes.
- On October 5, 1991, temperatures climbed to 29°C (84°F), marking the warmest October day on record.
- On October 28, 1997, Portorož saw its coldest October day with temperatures maxing out at 8°C (46°F).
- Nighttime temperatures dropped to -2°C (28°F) on October 26, 2003, marking the coldest October night on record.
Best Places in Slovenia in October
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in October →
perfect weather
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tolerable
unpleasant
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What to Wear in Portorož in October
For Portorož in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Portorož in October
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.
