Siena Weather in August
28.7°C high · 17°C low · 40 mm rain · 9.8h sun
Yes — Aug is one of the best months to visit Siena, with mild weather and 9.8h of daily sunshine.
August at a glance
| Metric | Value |
|---|---|
| Average high | 28.7°C |
| Average low | 17°C |
| Rainfall | 40 mm |
| Sunshine | 9.8 hours/day |
| Daylight | 13.8 hours |
What to pack in August
Pack comfortable clothes with a light layer for evenings for Siena in August.
Siena weather by month
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Frequently asked questions
What is the weather in Siena in August?
Highs of 28.7°C and lows of 17°C, with about 40 mm of rain and 9.8 hours of sunshine per day.
Is August a good time to visit Siena?
Yes — Aug is one of the best months to visit Siena, with mild weather and 9.8h of daily sunshine.
What to do in Siena · Best time to visit Siena
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.