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Castel San Gimignano Climate by Month

Castel San Gimignano experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. It receives a reasonable amount of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

The climate in Castel San Gimignano is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 30°C in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C. At night, expect cooler temperatures, averaging 2°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Castel San Gimignano receives mid-range precipitation levels, with 961 mm annually. Castel San Gimignano can be quite wet during November, receiving approximately 131 mm of precipitation over 14 rainy days. In contrast July, experiences much drier conditions, with 33 mm of rainfall, spread across 6 rainy days.

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

Sunshine over the year

Castel San Gimignano can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.7 hours of sunshine daily. In contrast, the city experiences much darker days in November, with only 3.3 hours of sunlight per day.

Monthly hours of sunshine

Data from: Siena, Italy (26 KM, 16 Miles).

Daily hours of sunshine

Data from: Siena, Italy (26 KM, 16 Miles).

The best time of year to visit Castel 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 Castel San Gimignano?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Castel San Gimignano?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Castel San Gimignano?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Castel San Gimignano?
    November tops the wettest month list with 131 mm of rainfall.
  • Which is the driest month in Castel San Gimignano?
    July is the driest month with 33 mm of precipitation.
  • Which is the sunniest month in Castel 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.

    Forecast for Castel San Gimignano

    Thu   Nov 21
    15°C | 3°C
    SW 25 km/h
    4.9 mm
    broken clouds and rain

    broken clouds and rain

    Fri   Nov 22
    16°C | 3°C
    W 25 km/h
    1.2 mm
    partly cloudy and  chance of slight rain

    partly cloudy and chance of slight rain

    Sat   Nov 23
    12°C | 0°C
    SE 7 km/h
    almost clear and no rain

    almost clear and no rain