Siena Cathedral Duomo di Siena
Siena, Italy

Siena Cathedral is a Catholic cathedral dedicated to the Assumption of Mary and is part of the Historic Centre of Siena. This site features Gothic architecture and is one of the 125 sights of Italy listed on this website.
Planning a visit
The cathedral is open Monday to Saturday from 10:30 to 17:00 and on Sunday from 13:30 to 17:00. Wheelchair access is limited. Visitors can reach the site via Florence Airport, Peretola, which is 56 km away, or travel from the capital, Rome, which is 184 km from the area.
July and August are the warmest months, with daily highs reaching about 29 °C, while January and December are the coldest with highs of about 9 °C. September is the wettest month with about 81 mm of rain. Nearby locations include Val d'Orcia, located 33 km away, and Boboli Gardens, which is about 50 km from the cathedral.
Weather by month
The warmest month is July, with an average high of 29 °C. The wettest is November, with about 98 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 9 | 10 | 13 | 16 | 21 | 25 | 29 | 29 | 24 | 19 | 13 | 9 |
| Average low, °C | 1 | 1 | 3 | 6 | 10 | 14 | 17 | 17 | 13 | 10 | 5 | 2 |
| Rainfall, mm | 50 | 50 | 56 | 71 | 68 | 52 | 31 | 49 | 81 | 95 | 98 | 75 |
| Rainy days | 9 | 9 | 8 | 8 | 11 | 7 | 4 | 6 | 9 | 10 | 11 | 11 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.