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San Giovanni Valdarno Weather and Climate: A Comprehensive Guide

The climate in San Giovanni Valdarno is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It is also known for its large amounts of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In San Giovanni Valdarno, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 29°C in August to a chilly 9°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 1°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

San Giovanni Valdarno experiences significant rain/snowfall throughout the year, averaging 1005 mm of precipitation annually. The climate in San Giovanni Valdarno shows significant variation throughout the year. Expect high rainfall in November, with an average of 129 mm of precipitation over 14 rainy days.

In contrast, July offers drier and sunnier days, with around 39 mm of rainfall over 7 rainy days. For more details, please visit our San Giovanni Valdarno Precipitation page.

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

Sunshine over the year

For those who appreciate different seasons, San Giovanni Valdarno serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.7 hours of sunshine daily, and embrace the darker days in November, offering only 3.3 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Siena, Italy (32 KM, 19 Miles).

Daily hours of sunshine

Data from: Siena, Italy (32 KM, 19 Miles).

Forecast for San Giovanni Valdarno

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

clear and no rain

Sun   Dec 22
7°C | -2°C
SE 3 m/s
9.1 mm
overcast and rain

overcast and rain

Mon   Dec 23
8°C | 1°C
NW 3 m/s
0.7 mm
partly cloudy and small chance of slight sleet

partly cloudy and small chance of slight sleet

The best time of year to visit San Giovanni Valdarno in Italy

During the months of May, June and September 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 Giovanni Valdarno?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in San Giovanni Valdarno?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in San Giovanni Valdarno?
    The coldest month is January with an average maximum temperature of 9°C.
  • Which is the wettest month in San Giovanni Valdarno?
    November tops the wettest month list with 129 mm of rainfall.
  • Which is the driest month in San Giovanni Valdarno?
    July is the driest month with 39 mm of precipitation.
  • Which is the sunniest month in San Giovanni Valdarno?
    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.