30YearWeather
Siena in July
Siena weather in July - Italy
☀️Hot & Sunny

Siena Weather in July

Plan your July trip to Siena, Italy. Based on 30 years of NASA data, expect temperatures of 30°C (high) to 18°C (low), with 9% rain probability and 8 hours of daily sunshine. Great conditions with only 0 rainy days expected.

Avg High
30°C

Hottest around day 21

Avg Low
18°C

Coolest around day 1

Rainy Days
0days

9% avg rain chance

Sunshine
8hrs/day

Summer season

Siena July Weather Calendar

Click any day to see detailed weather information

Currency

EUR

Euro

Language

Italian

+1 more

Driving

Right side

Safety

High Safety

GPI: 1.643

Travel Intelligence

Exclusive flight analytics & health data for Siena

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic
26/ 100
Traffic Index

Quieter airport

Peak Daily Arrivals

0

slots per day

Peak

Aug

Low

Jan

Monthly Traffic Distribution

33
Jan
40
Feb
46
Mar
54
Apr
63
May
63
Jun
63
Jul
64
Aug
61
Sep
54
Oct
40
Nov
41
Dec
Traffic Level
Low Season

Key Connections

Paris Charles de Gaulle (CDG)
Rome Leonardo da Vinci–Fiumicino (FCO)
Frankfurt-am-Main (FRA)
Amsterdam Schiphol (AMS)
Madrid Adolfo Suárez –Barajas (MAD)

Health & Safety Advisory

CDC travel health recommendations

7 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Italy. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Italy.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Italy.If rabies exposures occur while in Italy, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Tick-borne Encephalitis

For travelers moving or traveling toTBE-endemic areasTBE vaccineis recommended for persons who will haveextensiveexposure to ticks based on their planned outdoor activities and itinerary.TBE vaccine may be considered for persons who might engage in outdoor activities in areas ticks are likely to be found.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is July a Good Time to Visit Siena?

👍Recommended for planning your trip
Short Answer

July offers scorching but dry heat in Siena: 30°C highs with just 9% rain probability. Desert conditions mean comfortable evenings but challenging midday hours.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

98% of annual peak - expect crowds and peak prices

Excellent dry conditions

Only 9% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Leishmaniasis, Hantavirus

Plenty of sunshine

13.2h of sunshine daily

Rich cultural heritage

4 UNESCO World Heritage sites nearby

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 30.3°C temperatures and low 9% rain risk

  • 📸
    Photographers

    13.2h sunshine, 74% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 99/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 🌡️
    Heat-sensitive visitors

    33°C feels-like temperature creates discomfort

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Siena in July averages 30°C with 9% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Siena in July

What are the temperatures in Siena in July?

Daytime highs average 30°C, nights drop to 18°C. Temperatures remain fairly consistent.

How many rainy days in Siena in July?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Siena in July?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is July peak season in Siena?

This is shoulder season—moderate prices and manageable crowds.