Siena Weather in June
Thinking of visiting Siena in June? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 15°C (59°F) at night, with some rainfall likely.
Rainfall in Siena in June
Analyzing past climate data, one can expect approximately 10 days of rain, averaging 54 mm (2.1 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Siena in June
Weather in Siena is at its perfect in June. Highs reach 27°C (81°F), while nights settle around 15°C (59°F). June is part of the summer season. This kind of day-to-night contrast is typical for this time of year. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Siena in June
There are approximately 310 hours of sunshine this month, resulting in mostly clear days.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Siena's climate page.
Siena Temperature in June
Min Temperature
15°C (59°F)
Max Temperature
27°C (81°F)
Chance of Rain
33%
Precipitation
54 mm (2.1 in)
Rainy days
10 days
Sunshine
310 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Siena typically rise from around 26°C (79°F) at the start of June to approximately 30°C (86°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 17°C (63°F).
Average temperatures in June
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for Siena in June
Browse day-by-day weather records for Siena spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Siena historical weather extremes in June
Based on weather observations in Siena between 1976 and 2025, these are the recorded extremes during June.
- The warmest day in June was on June 27, 2022, with a maximum of 39°C (102°F).
- Siena experienced its chilliest June day on June 11, 1994, reaching only 15°C (59°F).
- The coldest night in June in Siena was on June 20, 1991, with a minimum of 7°C (45°F).
Best Places in Italy in June
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in June →
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What to Wear in Siena in June
Warm weather calls for comfortable, breathable clothing in June. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Siena in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Siena's climate page.
See the full Siena climate overview or explore weather in Italy.
