Month-by-month travel weather
Siena January weather
Siena, Italy · January
Rain can create a damp chill that lingers
January in Siena feels like real winter. Midday sun can help, but after sunset it can cool down quickly on the hill.
Rain can make it feel damp-cold. If it’s breezy, perceived temperature drops a notch.
January averages at a glance
Average low
around 1–3°C
Average high
around 9–11°C
Average rainfall
around 50–90 mm
Wet days
about 6–10 days
What to wear in January in Siena
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Jacket/coat with knit layers works well.
- • A scarf helps evening comfort.
- • Umbrella/waterproof pouch helps on wet days.
Travel tips for visiting Siena in January
- • Keep outdoor time earlier; use museums/cafés as evening anchors.
- • Wet stone steps can be slick—watch traction.
January weather in Siena — FAQ
Q. Is Siena very cold in January?
A. It can feel quite cold, especially after sunset.
Q. Does it snow in January?
A. It can, but don’t assume it—rain and damp chill are more consistent variables.
Explore Siena
These pages are connected so you can compare conditions and decide for yourself.