July · Italy
Best time to visit Siena in July Weather, crowds & prices
Weather in Siena in July
Average temperature 27°C, 8 mm of rain, about 31 days with 6+ hours of sunshine and 53% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
7.9/10
Ranked #6 of 12 months
- Avg temp
- 27°C
- Rainfall
- 8 mm
- Humidity
- 53%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
July in Siena scores 7.9/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 27°C, 8 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Siena's medieval center revolves around Piazza del Campo, framed by the Palazzo Pubblico and the Torre del Mangia.
July holds up well in Siena — 6th best month
Days in July average 27°C (80°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
At just 8 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 15 hours of daylight.
That is 7.9/10 on the same scale — 6th of 12 months, versus 9.3/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Siena in July?
- In July, Siena averages 27°C, 8 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 7.9/10.
- Is July a good time to visit Siena?
- July earns a 7.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Siena in July?
- Expect about 8 mm of rain in July. Average humidity is 53% and there are about 31 days with 6+ hours of sunshine.
Curated in Siena
Tickets & experiences
Things to do in Siena
Siena, Italy. Live activities and tours from GetYourGuide, matched to this destination.