Siena weather in June 2026

Expect daytime maximum temperatures of 25°C in Siena, Tuscany in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 41 mm of rainfall in the month.

  • 25°C maximum daytime temperature in June in Siena25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in June in Siena10
    10 days with some rainfall
  • 14°C minimum night-time temperature in June in Siena14
    14°C min night temperature
  • 15 hours of daylight per day in June in Siena15
    15 hours of daylight per day
  • Low heat & humidity in June in SienaL
    Low heat & humidity
  • 41 mm monthly rainfall in June in Siena41
    41 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Siena8
    8 (Very High) UV index

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The June 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)

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More about Tuscany

How hot is it in Siena in June?

Daytime temperatures usually reach 25°C in Siena in June with low heat and humidity, falling to 14°C at night.

How sunny is it in Siena in June?

There are normally 8 hours of bright sunshine each day in Siena in June - that's 55% of daylight hours.

Does it rain in Siena in June?

There are usually 10 days with some rain in Siena in June and the average monthly rainfall is 41mm.

Siena June sunrise & sunset times

Browse the sunrise and sunset times for Siena in June 2026. Select a month to view Siena sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 04:37 19:48
Monday, 15th June 2026 04:34 19:57
Tuesday, 30th June 2026 04:38 19:59

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