Mid-summer · Weather & things to do
Siena in July
Siena's warmest month brings highs averaging 89°F (32°C), lows of 64°F (18°C) and about 1.2 in (30 mm) of rain.
It scores 80/100 for comfort, 7th of 12, which makes it a solid shoulder-season month.
- Avg high
- 89°F (32°C)
- Avg low
- 64°F (18°C)
- Rain
- 1.2 in (30 mm)
- Humidity
- 54%
- Cloud cover
- 31%
- Daylight
- ~14 h 55 min
- Comfort score
- 80/100 · Great
What July feels like
Afternoons run hot at about 89°F (32°C), which leaves mornings and evenings as the time for walking.
Mornings start much cooler: lows average 64°F (18°C), about 14°C (25°F) below the afternoon high.
Rain is moderate at about 1.2 in (30 mm) for the month.
Sunny spells dominate: cloud cover averages 31%.
Plan around July
July is shoulder season: good weather, a step below the best months (April – June and September & October).
- Comfort slips from 90/100 in June to 80/100.
- Our Tuscany Hill Towns route recommends Apr – Jun, Sep – Oct, so July falls outside its suggested window.
What to pack for July
- Light, breathable clothes89°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningsnights drop to 64°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Siena in July
Afternoons run hot (89°F), so these picks mix early-start outdoor spots with cool indoor breaks.
Piazza del Campo
Shell-shaped square where the Palio horse race runs in July and August.
Why now July scores 80/100 for comfort, good conditions for being outside.
Antica Osteria Da Divo
Restaurant with tables in Etruscan caves beneath the city.
Why now A break from 89°F afternoons.
Santa Maria della Scala
Former medieval hospital opposite the cathedral, now a museum complex.
Why now Somewhere to sit out the hottest hours.
Osteria Le Logge
Old pharmacy turned restaurant serving refined Tuscan food.
Pasticceria Nannini
Siena's classic café for espresso, ricciarelli and panforte.
Nearby in July
- Chianti in July~18 mi · highs 91°F, 1.2 in rain · similar daytime temperatures, about as wet
- Val d'Orcia in July~24 mi · highs 88°F, 1.3 in rain · similar daytime temperatures, about as wet
- Florence in July~31 mi · highs 91°F, 1.3 in rain · similar daytime temperatures, about as wet
- Piran in July~188 mi · highs 84°F, 2.4 in rain · 3°C (6°F) cooler by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Siena in July: quick answers
Is July a good time to visit Siena?
It's a good shoulder-season choice, scoring 80/100 against a best of 90 in April – June and September & October. Expect highs of 89°F (32°C) and 1.2 in (30 mm) of rain. Our Tuscany Hill Towns route recommends Apr – Jun, Sep – Oct, so July is outside its suggested window.
How hot is Siena in July?
Average highs are 89°F (32°C) and average lows 64°F (18°C), making it the warmest month by daytime highs.
Does it rain a lot in Siena in July?
Not much: about 1.2 in (30 mm) of rain falls across July on average, the driest month of the year. The annual total is about 28.6 in (727 mm).
What should I pack for Siena in July?
Bring light, breathable clothes (89°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (nights drop to 64°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Planning Siena in July?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.