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San Gimignano Weather and Climate: A Comprehensive Guide

San Gimignano has a typical inland Mediterranean climate.

Average maximum day and minimum night temperature

Visitors to San Gimignano can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 31°C in August, the warmest time of the year, to a chilly 10°C during cooler months like January.

At night, temperatures typically drop to an average of around 2°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, San Gimignano experiences moderate precipitation patterns, averaging 970 mm yearly. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, November receives high rainfall, averaging 132 mm of precipitation, recorded across 14 rainy days. In contrast, the drier season, July brings less rainfall, with 34 mm over 6 rainy days. For more details, please visit our San Gimignano Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in San Gimignano. While July receives considerable daily sunshine with up to 11.7 hours, November marks the darkest time of the year, where sunshine is scarce with only 3.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Siena, Italy (29 KM, 18 Miles).

Daily hours of sunshine

Data from: Siena, Italy (29 KM, 18 Miles).

Forecast for San Gimignano

Sat   Dec 21
11°C | 0°C
SE 1 m/s
clear and no rain

clear and no rain

Sun   Dec 22
10°C | 0°C
SW 5 m/s
7.6 mm
overcast and heavy rain

overcast and heavy rain

Mon   Dec 23
10°C | 2°C
W 1 m/s
almost clear and no rain

almost clear and no rain

The best time of year to visit San Gimignano in Italy

During the months of May, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in San Gimignano?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in San Gimignano?
    August has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in San Gimignano?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in San Gimignano?
    November tops the wettest month list with 132 mm of rainfall.
  • Which is the driest month in San Gimignano?
    July is the driest month with 34 mm of precipitation.
  • Which is the sunniest month in San Gimignano?
    July is the sunniest month with an average of 350 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.