Weather in Сан-Джиминьяно by month: what to expect

Сан-Джиминьяно enjoys a mild Mediterranean climate, with distinct seasons that shape the experience of visiting this Tuscan hill town. Winters here are cool but rarely harsh, while summers bring warm, sunny days ideal for exploring the medieval streets and countryside. The shoulder seasons—spring and autumn—offer comfortable temperatures and fewer crowds, making them popular times to visit Сан-Джиминьяно.

Rainfall in Сан-Джиминьяно is spread throughout the year, though the summer months tend to be drier. The wettest period falls between October and December, when occasional heavy showers can occur. Despite this, the town’s charm remains undiminished, with misty mornings adding a touch of atmosphere to its historic towers and vineyards.

Temperatures in Сан-Джиминьяно follow a gentle curve, with the coldest months being January and February, when averages hover around +7.7 °C to +9 °C. Even in winter, daytime highs can reach +12.4 °C to +14.6 °C, making it possible to enjoy outdoor walks without extreme cold. Nights, however, can dip to +3.6 °C to +4.8 °C, so a light jacket is useful.

By April, the weather in Сан-Джиминьяно warms noticeably, with averages rising to +13.3 °C and highs of +19.2 °C. The summer months—June, July, and August—are the warmest, with daytime temperatures often climbing to +27.8 °C to +31.4 °C. Evenings remain pleasant, cooling to around +16.2 °C to +19.4 °C, perfect for al fresco dining in the town’s piazzas.

Autumn brings a gradual cooldown, with September still feeling summer-like at +21.1 °C, while November sees averages drop to +12.2 °C. The transition is smooth, allowing visitors to enjoy the changing colors of the Tuscan landscape without sudden temperature swings.

Rainfall in Сан-Джиминьяно is moderate but varies by season. The driest month is July, with just 21.3 mm of rain, making it the best time for uninterrupted sightseeing. August sees a slight increase to 53.4 mm, though showers are usually brief and followed by sunshine.

From October onward, precipitation rises, peaking in November at 136.8 mm. This is the wettest time in Сан-Джиминьяно, with frequent but often short-lived rain showers. December remains damp at 104.7 mm, though the festive atmosphere and cooler weather make it a cozy time to visit.

Spring months like March and April see moderate rainfall (63.4 mm and 58 mm, respectively), but the showers are typically light and don’t disrupt travel plans. The mix of rain and sunshine helps the surrounding countryside burst into bloom, adding to Сан-Джиминьяно’s appeal.

For a winter trip to Сан-Джиминьяно, pack layers to adapt to cool mornings and milder afternoons. A warm coat is useful for evenings, especially in January and February, when temperatures can drop to +3.6 °C. Comfortable walking shoes are a must for exploring the town’s cobbled streets, and a scarf or hat will help ward off the occasional chill.

In spring and autumn, lightweight clothing works well for daytime, but a light jacket or sweater is advisable for cooler evenings. April and May can bring occasional rain, so a compact umbrella or waterproof layer is practical. For summer visits, breathable fabrics are key, as temperatures in July and August often exceed +30 °C. Don’t forget sunscreen, a hat, and sunglasses to protect against the strong Tuscan sun.

If visiting Сан-Джиминьяно in October or November, waterproof footwear and a raincoat will keep you comfortable during the wetter months. Even in summer, a light shawl or long sleeves can be useful for cooler evenings or visits to churches, where modest dress may be required.