Siena weather in August (Tuscany, Italy)

Curious about the August weather in Siena? Here's what the weather might have in store during this month.

In August, Siena generally has very high temperatures and moderate rainfall. August falls within the summer season. Daytime temperatures hover around 31°C, while nights can cool down to about 18°C. On average, it is the warmest month of the year. So be prepared and pack summer clothes. Embrace the warmth, but always stay equipped with your summer essentials to make the most of this toasty month.

Siena in August usually receives moderate rainfall, averaging around 41 mm for the month. Typically around 8 days of rainfall is expected.

The days are predominantly sunny, with an estimated total of around 320 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

In case you lean more towards enjoying temperate temperatures and rain-free days May, June and September typically offer the most optimal weather. In contrast, January tends to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Siena climate page with graphs.

 

Siena, monthly averages in August

Min TemperatureMin Temperature 18°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 27%  
PrecipitationPrecipitation 41 mm  
Rainy daysRainy days 8 days  
SunshineSunshine 320 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Italy in August

Find out more about the weather in Italy in August and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Siena in August?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Siena.

Our site offers climate and forecast data for every country in the world. Are you going to Italy? On this website you can find historical weather averages for many cities in Italy. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.