Weather in Siena in January
Siena, Italy averages a high of 8.9°C (48°F) and low of 1°C (33.8°F) in January, with 8 rain days and 6.4 hours of daily sunshine. Travel score: 54.1/100 (Mixed). The best time to visit Siena is July.
High
9°C48°F
Low
1°C34°F
🌧️
8
rain days
☀️
6.4
hrs/day sunshine
💧
83%
humidity
54— Mixed
January in Siena is cool and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Siena?
How much does it rain in Siena in January?
Siena receives an average of 57.6mm of rainfall across 8 rainy days in January. The annual total is 830.5mm.
What should I pack for Siena in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 9°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around 1°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting Italy in January?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31