Please click on any column to get detailed information about Siena weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Siena is july. The average daily temp is 91.2°F. The average nightly temp is 66.3°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
Best time for vacation in Siena
Siena on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Siena
Local time: 14:08
September 06, sunday
1500
95°F
W
4 mph
4 mph
1800
90°F
NE
8 mph
8 mph
2100
77°F
E
5 mph
5 mph
September 07, monday
0000
72°F
S
1 mph
1 mph
0300
70°F
SW
1 mph
1 mph
0600
68°F
SW
2 mph
2 mph
0900
75°F
W
2 mph
2 mph
1200
90°F
NW
1 mph
1 mph
