WeatherSiena weather
Italy · 7-day forecast, monthly climate and when to visit
Right now in Siena it's 21°, Cloudy. The nicest time to visit is usually Jun, Jul, Aug. Below: a 7-day forecast and the average climate month by month, from MET Norway, climate from Open-Meteo.
7-day forecast for Siena
- Today21°14°Cloudy
- Sun21°10°Partly cloudy
- Mon22°11°Clear sky
- Tue21°10°Clear sky
- Wed21°9°Partly cloudy
- Thu23°11°Partly cloudy
- Fri22°11°Fair
Temperature & rainfall in Siena
Multi-year normals, 1991–2020 — the baseline for picking your month.
Avg temp (°C) Rainfall (mm)Source: Open-Meteo climate normals 1991–2020
Siena through the year
Siena in January: cold and dry. what to do in Siena · attractions & tickets
Siena in February: cold and dry. what to do in Siena · attractions & tickets
Siena in August: mild and dry. what to do in Siena · attractions & tickets
Siena in September: mild and dry. what to do in Siena · attractions & tickets
Siena in October: cool and dry. what to do in Siena · attractions & tickets
Siena in November: cool and dry. what to do in Siena · attractions & tickets
Siena in December: cold and dry. what to do in Siena · attractions & tickets
Siena weather — FAQ
When is the best time to visit Siena?
How much daylight in Siena?
Siena — flights & hotels
Check prices for your dates. Booking early is well below the last-minute price.
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About this page
Written and checked by the Around the World team. We compare prices across the major providers, cross-check official sources, and update when something changes. We have no stake in any one provider — links are affiliate links, and the price is the same for you.
Sources: Forecast: MET Norway (CC BY 4.0) · Climate: Open-Meteo · Daylight: astronomical calculation