Best Time to Visit Siena
The best months to visit Siena are May, Sep, Oct. Here is the full monthly breakdown.
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Best Months: May, Sep, Oct
These months offer the best balance of comfortable temperatures and low rainfall for visiting Siena. Expect highs of 21°C to 25°C to 21°C with relatively dry conditions.
Warmest Month
July
32°C high
Coldest Month
January
3°C low
Driest Month
July
5 rain days
Wettest Month
May
15 rain days
Monthly Weather
January
High: 11°C / Low: 3°C
11 rain days
February
High: 13°C / Low: 3°C
11 rain days
March
High: 15°C / Low: 6°C
14 rain days
April
High: 18°C / Low: 7°C
13 rain days
May
High: 21°C / Low: 11°C
15 rain days
June
High: 28°C / Low: 16°C
9 rain days
July
High: 32°C / Low: 19°C
5 rain days
August
High: 32°C / Low: 19°C
8 rain days
September
High: 25°C / Low: 15°C
11 rain days
October
High: 21°C / Low: 12°C
12 rain days
November
High: 15°C / Low: 6°C
10 rain days
December
High: 11°C / Low: 3°C
9 rain days
Tourist Seasons in Siena
Peak Season
May, September, October
- +Best weather conditions
- +Most activities and events
- -Higher prices and larger crowds
- -Book accommodation well in advance
Shoulder Season
April, June, August, November
- +Good weather, fewer tourists
- +Better value for accommodation
- +More authentic local experiences
- ~Some attractions may have reduced hours
Off Season
January, February, March, July, December
- +Lowest prices of the year
- +No crowds at attractions
- -Weather may be less favourable
- -Some seasonal businesses may close
Month-by-Month Breakdown
| Month | High | Low | Rain Days | Season |
|---|---|---|---|---|
January | 11°C | 3°C | 11 | Off Season |
February | 13°C | 3°C | 11 | Off Season |
March | 15°C | 6°C | 14 | Off Season |
April | 18°C | 7°C | 13 | Shoulder Season |
May★ | 21°C | 11°C | 15 | Peak Season |
June | 28°C | 16°C | 9 | Shoulder Season |
July | 32°C | 19°C | 5 | Off Season |
August | 32°C | 19°C | 8 | Shoulder Season |
September★ | 25°C | 15°C | 11 | Peak Season |
October★ | 21°C | 12°C | 12 | Peak Season |
November | 15°C | 6°C | 10 | Shoulder Season |
December | 11°C | 3°C | 9 | Off Season |
Season Timeline
Frequently Asked Questions
What is the best month to visit Siena?
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Our Top 5 Favourite Tours in Siena
Make the most of your trip by booking popular tours and activities in advance.
Siena Walking Tour: Highlights & Hidden Gems
Discover Siena on foot with a local guide who knows every backstreet and story. You will cover the must-see landmarks and stumble upon places most visitors never find.
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Siena Food Tour: Street Food & Local Favourites
Eat your way through Siena with a local foodie as your guide. From bustling markets to tucked-away restaurants, taste the dishes the city is truly known for.
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Best of Siena: Skip-the-Line Top Attractions
Skip the queues and get straight into Siena's top attractions with pre-booked access. An expert guide brings each site to life with stories and context you would not get on your own.
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Day Trip from Siena: Scenic Excursion
Escape Siena for the day and explore the stunning surroundings. Transport, guide, and itinerary are all sorted so you can relax and enjoy the scenery.
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Siena Cultural Experience: History & Traditions
Go beyond sightseeing and connect with Siena's living culture. From hands-on workshops to historic neighbourhood walks, this is the side of the city most travellers miss.
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Top 3 Areas to Stay in Siena
Liveliest areas for nightlife, culture, and entertainment
San Prospero
A historic neighborhood north of the center, known for its artisan shops and student presence.
Our top picks in San Prospero
Il Campo
The pulsating heart of Siena, defined by its magnificent shell-shaped piazza.
Our top picks in Il Campo
A historic luxury hotel located in a 17th-century palazzo directly on the main street.
Book NowOffers comfortable rooms with views and is a short walk from Piazza del Campo.
Book NowA well-established hotel known for its friendly service and proximity to the stadium.
Book NowSan Martino
A charming and slightly quieter residential area just east of the main piazza.
Our top picks in San Martino
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