When to Visit Siena
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January brings cool winter weather to Siena with highs of 49°F and lows of 37°F. Rainfall is moderate at 2.1 inches, making it one of the quieter months for tourism. This is an excellent time for indoor cultural activities and experiencing authentic local life.
February
February remains cool with similar temperatures to January, reaching highs of 51°F and lows of 37°F. Rainfall increases slightly to 2.4 inches, but the city maintains its peaceful winter atmosphere. Perfect for museum visits and cozy indoor dining experiences.
March
March marks the beginning of spring with warming temperatures reaching 58°F during the day and 41°F at night. Rainfall remains steady at 2.3 inches as the city begins to awaken from winter. Early spring flowers start to bloom in the surrounding countryside.
April
April brings pleasant spring weather with highs of 64°F and lows of 46°F, though rainfall increases to 2.8 inches. The shoulder season begins as tourists start returning and outdoor activities become more comfortable. Perfect for exploring Siena's medieval streets and nearby vineyards.
May
May offers delightful weather with warm days reaching 72°F and comfortable nights at 52°F. Despite 2.8 inches of rainfall, this is considered one of the best months to visit. The famous Palio preparations begin, and the Tuscan landscape is at its most beautiful.
June
June brings warm summer weather with highs of 80°F and pleasant evenings at 59°F. Rainfall decreases to 2.0 inches, marking the beginning of the dry season. Tourist season picks up significantly, especially around the July 2nd Palio preparations.
July
July is peak summer with hot days reaching 86°F and warm nights at 63°F. This is the driest month with only 1.1 inches of rainfall. The famous Palio di Siena takes place on July 2nd, drawing massive crowds and creating an electric atmosphere throughout the city.
August
August is the hottest month with temperatures reaching 87°F during the day and 64°F at night. Rainfall remains low at 1.5 inches, continuing the dry summer pattern. The second Palio takes place on August 16th, maintaining high tourist activity despite the heat.
September
September offers excellent weather with comfortable temperatures of 77°F during the day and 57°F at night. Rainfall increases to 3.2 inches as autumn approaches, but conditions remain ideal for sightseeing. Tourist crowds begin to thin while weather stays pleasant.
October
October brings mild autumn weather with highs of 67°F and lows of 51°F. Rainfall increases significantly to 4.2 inches, marking the transition to the wetter season. The harvest season creates beautiful autumn colors in the surrounding vineyards and countryside.
November
November experiences the highest rainfall of the year at 4.9 inches with cooler temperatures reaching 57°F during the day and 44°F at night. Tourist crowds are at their lowest, making it ideal for budget travelers who don't mind occasional rain showers.
December
December brings winter weather with highs of 50°F and lows of 39°F. Rainfall decreases to 3.0 inches compared to November, and the city takes on a festive atmosphere with Christmas markets and holiday decorations. Tourist numbers remain low, creating an intimate experience.