Siena Weather

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Weather Siena

Known for both stunning beauty and a rich history, the Tuscan city of Siena is hugely popular with tourists from both Italy and around the world. Not only does Siena offer a wealth of things for visitors to see and do, it also makes a superb base from which to tour the surrounding region. The weather in Siena makes it an excellent year-round destination.

When is the best month to visit Siena?

Almost any time of the year is a great time to be in Siena. For most people, however, the mild weather in Siena usually experienced in the autumn (October to November) and spring (March to May) will make these periods the most attractive time of the year. Be aware, however, that it can rain in April and May. The summer months of July and August are very popular with tourists, when the city can get hot and crowded.

Siena Meteogram

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Radar Map

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Climate in Siena

Siena weather is characterised by an excellent temperate climate, with weather that is mild through most of the year and generally avoids the worst extremes of hot or cold that can be found elsewhere in Italy. Siena has four seasons: spring (March to May), summer (June to September), autumn (October to November) and winter (December to February). Summertime in Siena rarely gets as hot and sticky as other parts of the country, peaking around 31°C. Winters usually avoid the harshest cold, with temperatures around 10°C.

Siena, a city in Tuscany, Italy, experiences a humid subtropical and Mediterranean climate that features a hot summer and a dump winter.

Summer in Siena

During the summer months, from May till September, weather in Siena remains hot and humid with the average high of 30°C.  Although temperature may appear somewhat hot during this season, occasional rainfall often comes to make the surrounding comfortable for the tourists. The average low temperature, which hardly falls below mid teens, makes the evenings really amazing. July is considered as the hottest month of the year with the average high of 33°C.  In fact, Siena is a year round destination, tourists may visit the well decorated city whenever they like.

Winter in Siena

Winter comes in late October and lasts till February in Siena. During this period the maximums can reach 18°C although the low may fall below 2°C. January, the coldest month of the year, sees not more than 2°C of average low. Infrequent snowfall and a little rain often occur to make the climate worsened during this period. Usually, Siena receives a very poor level of sunshine throughout the season.  Moreover, things may become unpredictable when the skies remain overcast. 

Siena Hotels

What to pack and wear in Siena?

If you're visiting in spring (March to May) or winter (December to February), Siena weather can sometimes get wet, so bring an umbrella, as well as a light, weatherproof jacket to ward off chilly weather. In the winter, it can drop to near freezing, so bring a sweater or a coat. Siena is all about discovering amazing history on foot, so bring comfortable shoes for walking.

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Points of interest near Siena

🏖️🏝️ More Holiday Destinations

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🏙️ Nearest Cities/Towns

• Siena

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✈️ Nearest Airports

• Ampugnano
• Arezzo Airfield
• Florence Peretola Airport

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⚽🏆 Nearest Football Stadiums

• Ac Siena
• Colligiana
• Monteriggioni

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