Siena weather
At 7:45 PM local time it was clear and 9°C (48°F). Little to no rain in the next 24 hours. Best months for weather: May–Oct. Siena sits 346 m (1,135 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Siena, Tuscany, Italy.
Current conditions
- Clouds
- 0%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–OctOff season Nov–Feb
About Siena weather
Is it raining in Siena right now?
No. It’s clear and 9° right now. Little to no rain in the next 24 hours.
What’s the weather like in Siena this week?
Over the next 7 days, expect highs of 12–17° and lows of 4–6°. Little rain is expected. The driest day looks like Saturday.
Has it been raining in Siena lately?
Barely. The past 7 days were mostly dry, with 0.1 mm of rain in total.
What should I pack for Siena?
For the coming week, bring a warm layer for the evenings.
Siena weather by month
When is the best time to visit Siena?
Based on weather alone, the best time to visit Siena is May–Oct, according to NASA's 2001–2025 climate averages. Nov–Feb tends to be the least pleasant. Average highs run from 8°C (46°F) in January to 32°C (89°F) in July.
What is the rainiest month in Siena?
November is the wettest month, with about 102 mm (4.0 in) of rain on average. July is the driest, with about 30 mm (1.2 in).
What is the hottest month in Siena?
July is the warmest, with average highs of 32°C (89°F) and lows of 18°C (64°F). January is the coolest, with highs of 8°C (46°F) and lows of 0°C (32°F).
Does Siena have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is November at about 102 mm (4.0 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months