Best time to go to Siena Average weather of Siena, Italy

When is the best time to go to Siena?

When is the best time to go to Siena? Here's some information to help you in your decision:

The best months for good weather in Siena are April, May, June, July, August, September and October
On average, the warmest months are July and August
January is the coldest month of the year
The rainiest months are February, May and November

Annual weather in Siena

For full information about the climate and weather in Siena a specific month, click on the corresponding line below:

Month			Our opinion
January	38°F/49°F	3.1in	very bad weather	Siena in january
February	38°F/52°F	3.6in	very bad weather	Siena in february
March	43°F/58°F	3.1in	tolerable weather	Siena in march
April	52°F/65°F	2.7in	good weather	Siena in april
May	59°F/70°F	3.9in	good weather	Siena in may
June	68°F/81°F	2.8in	good weather	Siena in june
July	72°F/88°F	1.7in	perfect weather	Siena in july
August	72°F/90°F	1.5in	perfect weather	Siena in august
September	61°F/79°F	3.2in	perfect weather	Siena in september
October	52°F/68°F	3.1in	good weather	Siena in october
November	47°F/59°F	4.2in	tolerable weather	Siena in november
December	40°F/52°F	3.1in	very bad weather	Siena in december

Weather and climate in Siena

Siena enjoys a humid subtropical climate (without dry season and with hot summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Siena is 68°F (ranging from 49°F in january to 90°F in august). Annual rainfall is 35.7in, with a minimum of 1.5in in august and a maximum of 4.2in in november.

Between january and february the climate is very unfavorable. the thermometer goes up to 52°F°C and it rains in february about 3.6in.
In the month of march the climate is just OK. By early evening, the temperature averages 47°F and you can expect to have 3.1in of rainfall/month during this period.
Between april and july the climate is favorable. The record temperature this month is 106°F and it rains in july about 1.7in.
In the month of august the climate is very good. The record temperature this month is 104°F and, in august, 2 days of rain are expected.
Between september and october the climate is beautiful. the thermometer goes up to 68°F°C and you can expect to have 3.1in of rainfall/month during this period.
In the month of november the climate is not good, but still OK. The record temperature this month is 74°F and it rains in november about 4.2in.
In the month of december the climate is not good. At lunchtime, it's 50°F in average and, in december, 5 days of rain are expected.

Charts: temperature and rainfall in Siena

In the charts below, you can see the following seasonal norms for the city of Siena: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Humidity

Peak visitor numbers and tourist seasons in Siena

Find out when Siena has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Siena

Very low season in Siena
The months with the lowest number of tourists are: January, February and November.
Low season in Siena
The months with low numbers of tourists are: March and December.
High season in Siena
The number of visitors to Siena is high in: April, May, June and October.
Peak season in Siena
The largest number of tourists visiting Siena is during: July, August and September.

Figure: Visitor index for Siena month by month

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Best time for low prices in Siena

Average prices of hotels in Siena month by month

Generally, February is the month with the lowest hotel prices in Siena. So this is a great time to save on your holiday! In contrast, July is statistically the most expensive month of the year for hotels.

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Average price of hiring a car in Siena

On average, it costs $ 63 per day to hire a car in Siena. This price varies by $ 51 depending on the month. In february, hiring a car costs an average of $ 41 per 24 hours, so this is the best time to save money! In contrast, the average price in july is $ 92.

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