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ItalyItaly Tuscany Siena
Siena
Weather averages
ClimateForecastAprilMay >>

Climate in Siena (Tuscany), Italy

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Monthly precipitation

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

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Weather Forecasts for Siena

Fri   Apr 26
16°C | 5°C
S 11 km/h
1.2 mm
partly cloudy and chance of rain

partly cloudy and chance of rain

hourly forecast
Sat   Apr 27
18°C | 7°C
S 14 km/h
0.5 mm
broken clouds and chance of slight rain

broken clouds and chance of slight rain

hourly forecast
Sun   Apr 28
22°C | 7°C
SW 11 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Siena in Italy

Siena has a warm maritime climate that is strongly influenced by the Mediterranean sea. Due to this influence the weather is very stable. This means summer and winter temperatures are not very far apart and it rarely gets really hot or extremely cold. Rainfall is evenly distributed throughout the year, but in summer months the average rainfall is a bit lower. In winter months, the average daily temperature is around 10°C .

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 Siena?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Siena?
    August has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Siena?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Siena?
    November tops the wettest month list with 121 mm of rainfall.
  • Which is the driest month in Siena?
    July is the driest month with 33 mm of precipitation.
  • Which is the sunniest month in Siena?
    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.

     

     

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