Siena

Find best time to go to Siena for holidays in 2023/2024. Find all your holiday research and inspiration.

Siena by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Tuscany live weather

Check out the Tuscany live weather and compare with the average conditions for this time of the year.

Usually in September
- 25
- 14
- 7
Weather by month
Now Today
- 27
- 9
5-day forecast

Recommended for Tuscany

The weather guide for Tuscany (Siena) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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Destination

When is the best time to go to Siena?

The best time to go to Siena is August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0.5
Jan
0.5
Feb
1
Mar
1.5
Apr
4
May
4
Jun
4.5
Jul
4.5
Aug
4
Sep
2.5
Oct
0.5
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

9
Jan
11
Feb
13
Mar
17
Apr
21
May
25
Jun
29
Jul
28
Aug
25
Sep
20
Oct
14
Nov
10
Dec

Hours of Sunshine (daily)

4
Jan
4
Feb
5
Mar
6
Apr
7
May
8
Jun
10
Jul
9
Aug
7
Sep
5
Oct
4
Nov
3
Dec

Best time to go for the weather

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

Metric (°C / mm) | Imperial (°F / inches)

More about Italy

Which is the hottest month in Siena?

The hottest time of year in Siena is normally July. Expect maximum daytime temperatures to reach 29°C with moderate heat and humidity.

Which month has the most rain in Siena?

In terms of rainfall, November is usually the wettest month in Siena with 103mm on average. There are normally 14 days in November with some rain.

When is it sunniest in Siena?

The sunniest time of year in Siena is normally July with bright sunshine on average for 64% of daylight hours; that's 10 hours of sunshine per day.

Compare Siena weather with the USA

Below the Siena weather chart shows average maximum daytime temperature for Siena, Tuscany, Italy and the USA (Washington).

Maximum daytime temperature (°C)

Siena, Tuscany, Italy

USA (Washington)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec