Things to Do in Siena in May
May weather, activities, events & insider tips
May Weather in Siena
Is May Right for You?
Advantages
- Perfect shoulder season temperatures - you'll get warm afternoons around 22°C (72°F) without the crushing July-August heat that sends locals indoors. Mornings start cool at 11°C (52°F), ideal for walking Siena's steep medieval streets before the sun climbs higher.
- Significantly fewer tourists than summer months, meaning you can actually experience the Duomo and Piazza del Campo without fighting through tour groups. Hotels typically run 25-35% cheaper than June-August rates, and restaurant reservations are easier to secure with just 2-3 days notice rather than weeks ahead.
- The Tuscan countryside hits peak green after spring rains - vineyards are lush, wildflowers blanket the hillsides, and the famous cypress-lined roads look exactly like those Renaissance paintings. This is arguably the most photogenic month before everything turns golden-brown in summer.
- Local life is in full swing without tourist-season chaos. You'll see actual Sienese going about their daily routines in the contrade neighborhoods, markets are stocked with spring produce like fresh fava beans and artichokes, and outdoor cafes fill with locals rather than just visitors.
Considerations
- Rain is genuinely unpredictable - those 10 rainy days don't follow a pattern, and May storms can arrive suddenly in the afternoon. You might get three gorgeous days followed by two wet ones, which makes planning outdoor activities in the countryside a bit of a gamble. The humidity at 70% means things don't dry quickly either.
- It's too early for the Palio (July 2 and August 16), which is honestly what many visitors want to experience. If you're coming specifically for that electric atmosphere when the entire city revolves around the horse race, May will feel relatively quiet by comparison.
- Evenings can be surprisingly chilly - that 11°C (52°F) low isn't just theoretical. After sunset around 8:30pm, you'll want layers for outdoor dining. Many restaurants haven't fully transitioned to summer hours yet, and some rooftop terraces remain closed until June.
Best Activities in May
Val d'Orcia countryside cycling and hill town tours
May is genuinely the best month for exploring the UNESCO-protected Val d'Orcia valley south of Siena. The landscape is still green from spring rains, temperatures sit in that perfect 18-22°C (64-72°F) range for cycling, and towns like Pienza and Montalcino haven't yet filled with summer tour buses. The morning light on those famous cypress groves is extraordinary right now. Most tours cover 25-40km (15-25 miles) through rolling hills, which is manageable in cooler weather but becomes brutal in July-August heat.
Chianti wine estate visits and tastings
May hits a sweet spot in the wine calendar - the vines are actively growing with bright green leaves, but harvest chaos is months away so winemakers actually have time to talk with visitors. Estates are less crowded than summer, and the 70% humidity actually helps your nose pick up wine aromas better than in dry conditions. The countryside drive between Siena and Chianti estates like those around Castellina or Gaiole is spectacular right now with wildflowers everywhere. You'll taste primarily previous vintages since 2025 wines are still aging.
Siena historic center walking tours and contrade exploration
May weather is ideal for spending 3-4 hours walking Siena's medieval streets without overheating. The city's built on three hills, so there's constant climbing, and you'll appreciate doing this in 20°C (68°F) rather than 35°C (95°F). Each of Siena's 17 contrade neighborhoods has its own museum, fountain, and identity - visiting these small museums gives you context for the Palio rivalry even if you're not here for race day. The Duomo's marble floors are fully uncovered in May, which only happens certain months, and the cathedral complex is significantly less crowded than summer.
San Gimignano and Volterra day trips
These two medieval hill towns make perfect May day trips from Siena - San Gimignano with its famous towers is 38km (24 miles) northwest, Volterra with Etruscan ruins is 50km (31 miles) west. May means you'll experience them without the oppressive summer crowds, and the alabaster workshops in Volterra are more pleasant to visit when it's not sweltering. The dramatic hilltop positions of both towns means they catch wind and stay cooler. Spring wildflowers along the approach roads are outstanding. You can combine both in one long day or dedicate a half-day to each.
Siena cooking classes and food market tours
May brings excellent seasonal produce to Siena's markets - fresh fava beans, artichokes, asparagus, and the first cherries appear now. Cooking classes in May focus on spring dishes like pici pasta with asparagus or fava bean soups that you won't see taught in other seasons. The humidity actually helps pasta-making since dough doesn't dry out as quickly. Market tours typically start at Mercato di La Lizza on Wednesday mornings or the smaller daily markets, then move to a kitchen for hands-on cooking. You'll avoid the intense heat that makes standing over stoves miserable in summer.
Monte Oliveto Maggiore and Sant'Antimo abbey visits
May is excellent for visiting Tuscany's monasteries and abbeys, which offer peaceful contrast to busy tourist towns. Monte Oliveto Maggiore, 35km (22 miles) southeast of Siena, sits isolated among eroded clay hills with remarkable Renaissance frescoes and Gregorian chanting at services. Sant'Antimo near Montalcino, 40km (25 miles) south, is a Romanesque abbey in a valley setting that's achingly beautiful in spring green. Both locations involve outdoor walking between buildings, which is far more pleasant now than in summer heat. The contemplative atmosphere suits May's variable weather when you want meaningful indoor-outdoor experiences.
May Events & Festivals
Cantine Aperte - Open Cellars Weekend
This nationwide event happens the last weekend of May across Italian wine regions, including dozens of estates in Chianti and the Siena area. Wineries open their cellars for tastings, tours, and often food pairings or live music, many waiving normal reservation requirements just for this weekend. It's a genuine local event, not a tourist creation, and you'll meet Italian wine enthusiasts traveling from other regions. Participating estates post schedules in early May, and you can visit multiple locations in a day though driving between tastings requires a designated driver.
Maggio Musicale Fiorentino spillover concerts
While the main festival happens in Florence, some performances and associated events occasionally take place in Siena venues like Teatro dei Rozzi. Worth checking 2026 programming if you're interested in classical music, opera, or contemporary performances. The festival runs throughout May and into June, and Siena shows tend to be easier to get tickets for than the Florence venues.