Where to Go for Great Weather
Italy · Regional climate

Sienawhen to go

Regional slice of Italy with its own temperature profile. Best months here: Jun · May · Jul.

Range
10–31 °C
Compare
+1.7°C vs. Italy mean
Country
Italy
TZ
Europe/Rome
Region match
Perfect match

Free-tier default preferences. Tune preferences on the map to reshape this score.

12-month climate · Siena

How the year moves in Siena

Ten years of ERA5, aggregated over Siena itself rather than over Italy as a whole — the same series the month-by-month scores below are built from.

Temperature°C
Temperature · 12-month climatologySiena, Italy. Average daytime high by month in °C. Lowest in January (9.7), highest in August (30.6). Monthly means: 9.7, 12.1, 14.3, 17.8, 21.3, 27.4, 30.6, 30.6, 25.4, 20.4, 14.3, 10.7.
View data table
MonthAverage daytime high (°C)
January9.7
February12.1
March14.3
April17.8
May21.3
June27.4
July30.6
August30.6
September25.4
October20.4
November14.3
December10.7
Rainfallmm
Rainfall · 12-month climatologySiena, Italy. Rainfall by month in mm. Lowest in July (28), highest in November (121). Monthly means: 60, 77, 76, 73, 93, 46, 28, 49, 92, 99, 121, 88.
View data table
MonthRainfall (mm)
January60
February77
March76
April73
May93
June46
July28
August49
September92
October99
November121
December88
Sunshinehr / day
Sunshine · 12-month climatologySiena, Italy. Sunshine hours by month in hr / day. Lowest in December (3.5), highest in July (9.6). Monthly means: 3.9, 4.9, 6.6, 7.7, 7.6, 9.2, 9.6, 8.8, 7.0, 5.7, 4.0, 3.5.
View data table
MonthSunshine hours (hr / day)
January3.9
February4.9
March6.6
April7.7
May7.6
June9.2
July9.6
August8.8
September7.0
October5.7
November4.0
December3.5
Month by month · Siena

Pick your window

Other regions · Italy

Nearby and comparable

Safety · 6 governments

What the governments say about Italy

Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 6 governments · Advisory last changed
See breakdown by country
AU

Exercise normal precautions

Changed Checked www.smartraveller.gov.au
CA

Exercise increased caution

Changed Checked travel.gc.ca
DE

Exercise normal precautions

Changed Checked www.auswaertiges-amt.de
UK

Exercise normal precautions

Changed Checked www.gov.uk
US

Exercise increased caution

Changed Checked travel.state.gov
Start free

Plan a trip to Siena.

No card required. Upgrade to Premium whenever you want more depth.

Open the mapTry Premium · €2.99