Typical Weather

Siena · Italy

Weather in Siena in August

In August the typical daytime high in Siena is 29.6 °C on average, from 30.2 °C at the start to 27.8 °C at the end of the month.

The last 10 years were 3.1 °C warmer than more than 40 years ago.

Click a day for more: afternoon and night, the usual range, records and how fast it is warming.

The average of the weather stations Bastia (173 km), Riva (288 km) and Milan (294 km); nearer ones count more.