You should expect the average temperature in Siena for the duration of August is 21. High average temperature is 27 degrees celsius with a low of 19 degrees. With the details being further below:

MonthDegrees Celsius
Temperature21
High Temperature27
Low Temperature19
Sunshine Per Day9

Siena, Italy Weather in August FAQs

So what weather should I expect to see?

The weather looks like it will be 21.

How hot is it on average in summer?

On average summer weather is roughly 26 degrees celsius.

How does the temperature vary between Summer and Winter?

Summer to Winter has a varience of 7 celsius.

How much sunshine can I expect?

Approximately 9 hours of sunshine daily

How cold does it get?

On average the low temperatures are19 Click to see more Siena Weather including Siena, Italy July Weather and Siena, Italy September Weather