What is the weather like in Siena in October?

Expect temperatures between 11°C and 20°C with 23% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Siena in October?

Siena in October scores 66/100 based on 30 years of climate data. Recommended for planning your trip.

Who should visit Siena in October?

October in Siena is ideal for: Outdoor enthusiasts, Cultural tourists, Honeymoon couples, Business travelers.

Siena Weather in October | 30-Year Forecast

Avg High

20°C

Hottest around day 1

Avg Low

11°C

Coolest around day 31

Rainy Days

7days

23% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Siena

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

EUR

€ Euro

Language

Italian

+1 more

Driving

Right side

Safety

High Safety

GPI: 1.643

Travel Intelligence

Exclusive flight analytics & health data for Siena

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic

26/ 100

Traffic Index

Quieter airport

Peak Daily Arrivals

slots per day

Peak

Aug

Low

Jan

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Paris Charles de Gaulle (CDG)

Rome Leonardo da Vinci–Fiumicino (FCO)

Frankfurt-am-Main (FRA)

Amsterdam Schiphol (AMS)

Madrid Adolfo Suárez –Barajas (MAD)

Health & Safety Advisory

CDC travel health recommendations

7 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Italy. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Italy.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Italy.If rabies exposures occur while in Italy, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Tick-borne Encephalitis

For travelers moving or traveling toTBE-endemic areasTBE vaccineis recommended for persons who will haveextensiveexposure to ticks based on their planned outdoor activities and itinerary.TBE vaccine may be considered for persons who might engage in outdoor activities in areas ticks are likely to be found.

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Source: CDC Travelers' Health

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Is October a Good Time to Visit Siena?

👍Recommended for planning your trip(66/100)

Short Answer

October delivers Siena's best weather - 20°C days, rare rain (23%), and comfortable 79% humidity. Book accommodation early as this is well-known as an excellent period.

Decision Factors

Vaccinations required

Yellow Fever

Health precautions needed

Be aware of: Leptospirosis, Leishmaniasis, Hantavirus

Plenty of sunshine

8.1h of sunshine daily

Shoulder season - balanced conditions

84% of peak - good value with moderate crowds

Rich cultural heritage

4 UNESCO World Heritage sites nearby

Exceptional dining scene

23 Michelin-listed restaurants

Good For

🥾
Outdoor enthusiasts
Ideal hiking conditions: 19.7°C, 23% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 96/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

👴
Elderly travelers
79% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Siena in October averages 20°C with 23% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Siena in October

What are the temperatures in Siena in October?

Daytime highs average 20°C, nights drop to 11°C. Temperatures remain fairly consistent.

How many rainy days in Siena in October?

Expect around 7 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Siena in October?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is October peak season in Siena?

This is typically peak season with higher prices. Book 2-3 months ahead.

Siena Weather in October

Siena October Weather Calendar