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San Gimignano Weather in May
San Gimignano in May sees high daytime temperatures of 23°C (73°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 77 mm (3 in), so pack a rain jacket to stay dry.
Rainfall in San Gimignano in May
This month experiences about 12 days of rain according to historical data, averaging 77 mm (3 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in San Gimignano in May
If you're visiting San Gimignano in May, expect excellent temperatures with highs of 23°C (73°F) and overnight lows of 12°C (54°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in San Gimignano in May
Expect sunny days throughout the month, with an estimated 300 hours of sunshine. This makes it a pleasant time to visit San Gimignano.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit San Gimignano.
San Gimignano Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
39%
Precipitation
77 mm (3 in)
Rainy days
12 days
Sunshine
300 hours *
Percentage Sunshine
*
* Data from: Siena, Italy (29 KM, 18 Miles).
San Gimignano Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Gimignano - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Gimignano typically rise from around 21°C (70°F) at the start of May to approximately 25°C (77°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for San Gimignano in May
Browse day-by-day weather records for San Gimignano spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Gimignano historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in San Gimignano.
- The hottest May day on record in San Gimignano reached 35°C (95°F) (May 27, 2022).
- San Gimignano experienced its chilliest May day on May 4, 1991, reaching only 11°C (52°F).
- Nighttime temperatures dropped to 3°C (37°F) on May 2, 1982, marking the coldest May night on record.
Best Places in Italy in May
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in San Gimignano in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in San Gimignano in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
San Gimignano 3-Day Forecast
More climate data for San Gimignano
See the full San Gimignano climate overview or explore weather in Italy.
Popular in May
Where to go in May - average daytime high across popular destinations.
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