November 17 is generally a great time to visit Siena. While there is a slight chance of rain (30%), showers are usually brief. Expect comfortable 14°C weather. It's a lively time to explore Siena, with most attractions operating at full capacity.
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Essential Travel Info for Siena
Currency
EUR
€ Euro
Language
Italian
+1 more
Driving
Right side
Safety
High Safety
GPI: 1.643
Siena Weather Forecast for November 17
"Mild & Comfortable. Expect average highs of 13.9°C. 30% chance of rain."
What to Wear in Siena in November
Based on historical data for November 17, Siena typically experiences temperatures between 5.9°C and 13.9°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 30% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Siena
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
13.9°C
Daytime Peak
Average Low
5.9°C
Nighttime Low
Feels Like
13.6°C
🌤️ Feels accurate
Rain Chance
30%
Avg 3mm if it rains
Cloud Cover
62%
Overcast
Pressure
1015.9 hPa
Medium volatility
Siena Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 95% 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
🔴 267 min to burn
Type III-IV
🟡 401 min to burn
Type V-VI
🟢 668 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
11.2°C
Pleasant
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Italy
Flight Traffic
Busy
63/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~40
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Siena
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:11
☀️ Noon
12:01
🌇 Sunset
16:50
⏱️ Daylight
9h 39m
Wind Speed
14.1 km/h
Gentle breeze
Sunshine
6.1 hrs
Direct Sun (Cloud-free)
Humidity
84%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Siena
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Siena
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟢 Moderate
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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Siena on November 17 averages 13.9°C with a 30% precipitation probability. Wedding/Outdoor Event Score: 84/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Siena Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
November 10
14.9°C • 25% rain
Score
91
November 11
14.7°C • 26% rain
Score
89
November 12
14.6°C • 25% rain
Score
89
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (November 17) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Siena Worth Visiting on November 17?
Planning a trip to Siena on November 17? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 13.9°C with a 30% historical precipitation risk.
✈️ Travel Logistics: Approximately 40 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Italy, including COVID-19.
📊 Historical Extremes: The hottest November 17 recorded in the last 30 years saw temperatures hit 17.8°C in 2022, while the coldest dropped to 3.2°C in 2017.