
Siena Weather August
Siena is situated in humid subtropical zone which is known for warm weather during summer time with high humidity and soft and cool winter with short rainfalls.
To help you choose the best time to travel, you can find climate data below on the weather in Siena in August.
![]() | average daily high | +27.4°C |
![]() | average daily low | +16.6°C |
![]() | daytime | 14.4 h |
![]() | average monthly precipitation | 51 mm |
Best time with the soft weather for the sightseeing and long walks in Siena are May, June, September, October.
Temperature in Siena
In August the average daily maximum in Siena is +27.4°C, and the minimum +16.6°C.
The hottest August day on record is +37.4°C, and the coldest +9.8°C.
Best beach resorts in August:

Barcelona
Spain

Nice
France

Cannes
France

Lisbon
Portugal

Marseille
France

Algarve
Portugal
Daylight hours
There are 14.4 hours of daylight in Siena in August.
Most Popular Destinations in the World
Precipitation
The amount of precipitation in Siena in August is usually 51 mm, which may cause a change of plans on certain days.