What is the weather like in Sintra in August?

Expect temperatures between 17°C and 24°C with 2% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Sintra in August?

Sintra in August scores 66/100 based on 30 years of climate data. Solid choice for most travelers.

Who should visit Sintra in August?

August in Sintra is ideal for: Outdoor enthusiasts, Photographers, Cultural tourists, Honeymoon couples, Business travelers.

Sintra Weather in August | 30-Year Forecast

Avg High

24°C

Hottest around day 5

Avg Low

17°C

Coolest around day 27

Rainy Days

0days

2% avg rain chance

Sunshine

8hrs/day

Summer season

Essential Travel Info for Sintra

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

EUR

€ Euro

Language

Portuguese

Driving

Right side

Safety

Very High Safety

GPI: 1.301

Travel Intelligence

Exclusive flight analytics & health data for Sintra

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected

63/ 100

Traffic Index

Popular destination

Peak Daily Arrivals

slots per day

Peak

Jun

Low

Jul

Monthly Traffic Distribution

262

Jan

304

Feb

304

Mar

322

Apr

340

May

343

Jun

209

Jul

297

Aug

297

Sep

297

Oct

297

Nov

297

Dec

Traffic Level

Low Season

Key Connections

Madrid Adolfo Suárez –Barajas (MAD)

Funchal Madeira (FNC)

Paris Orly (ORY)

Barcelona (BCN)

Porto Francisco de Sá Carneiro (OPO)

Health & Safety Advisory

CDC travel health recommendations

6 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 Portugal. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Portugal.

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 Portugal.If rabies exposures occur while in Portugal, 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.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is August a Good Time to Visit Sintra?

👍Solid choice for most travelers(66/100)

Short Answer

Popular August in Sintra offers 24°C and 2% rain chance - excellent conditions that attract maximum visitors. Book 3-6 months ahead for best rates.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

87% of annual peak - expect crowds and high prices

Ideal temperature range

23.6°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 2% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Leishmaniasis, Zika

Plenty of sunshine

12h of sunshine daily

Good For

🥾
Outdoor enthusiasts
Ideal hiking conditions: 23.6°C, 2% rain chance
📸
Photographers
12h sunshine, 71% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 100/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
79% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Sintra in August averages 24°C with 2% precipitation probability."

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

Frequently Asked Questions: Sintra in August

What are the temperatures in Sintra in August?

Daytime highs average 24°C, nights drop to 17°C. Temperatures remain fairly consistent.

How many rainy days in Sintra in August?

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

What to wear in Sintra in August?

Comfortable casual wear with a light jacket for evenings.

Is August peak season in Sintra?

This is typically peak season with higher prices. Book 2-3 months ahead.

Sintra Weather in August

Sintra August Weather Calendar

Essential Travel Info for Sintra

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Measles

Rabies

Yellow Fever

Is August a Good Time to Visit Sintra?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Sintra in August

What are the temperatures in Sintra in August?

How many rainy days in Sintra in August?

What to wear in Sintra in August?

Is August peak season in Sintra?