October 31 is generally a great time to visit Piran. While there is a slight chance of rain (31%), showers are usually brief. Expect comfortable 17°C weather. Expect a bustling atmosphere in Piran right now—this is when the city truly comes alive with visitors. Note: October 31 is Reformation Day in Piran, so expect special events, closures, and festive atmosphere.
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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 31
"Mild & Comfortable. Expect average highs of 17.1°C. 31% chance of rain."
What to Wear in Piran in October
Based on historical data for October 31, Piran typically experiences temperatures between 11.9°C and 17.1°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 31% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Piran
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
17.1°C
Daytime Peak
Average Low
11.9°C
Nighttime Low
Feels Like
17.1°C
🌤️ Feels accurate
Rain Chance
31%
Avg 3.4mm if it rains
Cloud Cover
58%
Overcast
Pressure
1017.7 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 96% 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
🔴 67 min to burn
Type III-IV
🟡 101 min to burn
Type V-VI
🟢 168 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.4°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
Holiday
Reformation Day
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
06:44
☀️ Noon
11:50
🌇 Sunset
16:56
⏱️ Daylight
10h 12m
Wind Speed
14.5 km/h
Gentle breeze
Sunshine
6.8 hrs
Direct Sun (Cloud-free)
Humidity
79%
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
⛅ Good
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 31 averages 17.1°C with a 31% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— 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 28
17.5°C • 26% rain
Score
92
October 29
17.4°C • 24% rain
Score
92
October 25
17.9°C • 30% rain
Score
91
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Piran Worth Visiting on October 31?
Planning a trip to Piran on October 31? 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 17.1°C with a 31% historical precipitation risk.
🎉 Local Event: The date coincides with Reformation Day, which may influence local business hours and event availability.
✈️ 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 18.8°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.43m.
📊 Historical Extremes: The hottest October 31 recorded in the last 30 years saw temperatures hit 20.4°C in 2024, while the coldest dropped to 7.1°C in 2017.