Siena Weather in October
19.3°C high · 10.6°C low · 87 mm rain · 4.7h sun
Oct is a warm month in Siena — not peak season, but a good time to avoid crowds.
October at a glance
| Metric | Value |
|---|---|
| Average high | 19.3°C |
| Average low | 10.6°C |
| Rainfall | 87 mm |
| Sunshine | 4.7 hours/day |
| Daylight | 10.8 hours |
What to pack in October
Pack a jacket and layers for Siena in October.
Siena weather by month
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Frequently asked questions
What is the weather in Siena in October?
Highs of 19.3°C and lows of 10.6°C, with about 87 mm of rain and 4.7 hours of sunshine per day.
Is October a good time to visit Siena?
Oct is a warm month in Siena — not peak season, but a good time to avoid crowds.
What to do in Siena · Best time to visit Siena
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.