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World Weather & Climate Information

CLIMATE: AVERAGE MONTHLY WEATHER IN Siena, Italy

What's the best time to go to Siena in Italy? Here are some annual weather facts we collected from our historical climate data:
  • During the months May, June, August, September and October you will experience pleasant weather with a nice average temperature.
  • On average, the warmest month(s) are July and August.
  • Most rainfall (rainy season / monsoon) is seen in November.
  • On average, the warmest month is July.
  • On average, the coolest month is December.
  • November is the wettest month. This month should be avoided if you don't like too much rain.
  • July is the driest month.
Do these climate conditions match with when you want to go to Siena in Italy? Get a great hotel deal here.

For more information, see the weather forecast and our average climate infomation (by month in graphs) below.

* Data from nearest weather station: Florence, Italy (54.6 KM).

Average minimum and maximum temperature over the year

The monthly mean minimum and maximum daily temperature. Show in Fahrenheit »
Average min and max temperatures in Florence, Italy   Copyright © 2017 www.weather-and-climate.com
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Average monthly hours of sunshine over the year

This is the monthly total of sunhours
Average monthly sunhours in Florence, Italy   Copyright © 2017 www.weather-and-climate.com
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Average percent of sunshine over the year

This is the mean percent of sunhours during the day

Average percent of sunshine in Florence, Italy   Copyright © 2017 www.weather-and-climate.com

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Average monthly precipitation over the year (rainfall, snow)

This is the mean monthly precipitation, including rain, snow, hail etc. Show in Inches »
Average precipitation (rain/snow) in Florence, Italy   Copyright © 2017 www.weather-and-climate.com
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Average monthly rainy days over the year

This is the number of days each month with rain, snow, hail etc.
Average rainy days (rain/snow) in Florence, Italy   Copyright © 2017 www.weather-and-climate.com
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Average humidity over the year

This is the mean monthly relative humidity
Average relative humidity in Florence, Italy   Copyright © 2017 www.weather-and-climate.com
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Weather Forecast for Siena

Show in Fahrenheit
SAT
Partly cloudy
10°C
3°C
SUN
Partly cloudy
6°C
2°C
MON
Patchy rain possible
5°C
-3°C

Today's forecast

10 Day Forecast 
Partly cloudy
10°C | 3°C