October 17 is generally a great time to visit Piran. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 18°C weather. As it's peak season for Piran, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Piran
Currency
EUR
€ Euro
Language
Slovene
Driving
Right side
Safety
Very High Safety
GPI: 1.316
Piran Weather Forecast for October 17
"Mild & Comfortable. Expect average highs of 18.1°C. 25% chance of rain."
What to Wear in Piran in October
Based on historical data for October 17, Piran typically experiences temperatures between 12.4°C and 18.1°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (25% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Piran
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18.1°C
Daytime Peak
Average Low
12.4°C
Nighttime Low
Feels Like
18.1°C
🌤️ Feels accurate
Rain Chance
25%
Avg 2.9mm if it rains
Cloud Cover
49%
Overcast
Pressure
1018.2 hPa
Medium volatility
Piran Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 57 min to burn
Type III-IV
🟡 86 min to burn
Type V-VI
🟢 143 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.6°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Slovenia
Flight Traffic
High
81/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~26
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Piran
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:25
☀️ Noon
11:52
🌇 Sunset
17:19
⏱️ Daylight
10h 53m
Wind Speed
13.2 km/h
Gentle breeze
Sunshine
8.1 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Piran
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Piran
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Piran on October 17 averages 18.1°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 93/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Piran Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 11
19.7°C • 21% rain
Score
98
October 12
19.4°C • 17% rain
Score
98
October 13
19.1°C • 16% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 17) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Piran Worth Visiting on October 17?
Planning a trip to Piran on October 17? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 18.1°C with a 25% historical precipitation risk.
✈️ Travel Logistics: Approximately 26 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Slovenia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 20.2°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.28m.
📊 Historical Extremes: The hottest October 17 recorded in the last 30 years saw temperatures hit 20.4°C in 2022, while the coldest dropped to 8.8°C in 2021.