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Siena weather in May 2025
Expect 21°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Siena in May. Check more long-term weather averages for Siena in May before you book your next holiday to Tuscany in 2025/2026.
- 2121°C max day temperature
- 7 hours of sunshine per day
- 1212 days with some rainfall
- 1111°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 5858 mm of monthly rainfall
- 77 (High) UV index
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The May weather guide for Tuscany (Siena) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Tuscany
How hot is it in Siena in May?
Daytime temperatures usually reach 21°C in Siena in May, falling to 11°C at night.
How sunny is it in Siena in May?
There are normally 7 hours of bright sunshine each day in Siena in May - that's 49% of daylight hours.
Does it rain in Siena in May?
There are usually 12 days with some rain in Siena in May and the average monthly rainfall is 58mm.
Siena May sunrise & sunset times
Browse the sunrise and sunset times for Siena in May 2025. Select a month to view Siena sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 05:08 | 19:17 |
Friday, 16th May 2025 | 04:49 | 19:33 |
Saturday, 31st May 2025 | 04:38 | 19:48 |
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