What is the weather like in Sintra in May?

Expect temperatures between 13°C and 19°C with 12% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Sintra in May?

Sintra in May scores 65/100 based on 30 years of climate data. Solid choice for most travelers.

Who should visit Sintra in May?

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

Sintra Weather in May | 30-Year Forecast

Avg High

19°C

Hottest around day 31

Avg Low

13°C

Coolest around day 1

Rainy Days

0days

12% avg rain chance

Sunshine

8hrs/day

Spring 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

unlock smart flight estimates

Add your home location in settings to see airport details.

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 May a Good Time to Visit Sintra?

👍Solid choice for most travelers(65/100)

Short Answer

Popular May in Sintra offers 19°C and 12% 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

99% of annual peak - expect crowds and peak prices

Excellent dry conditions

Only 12% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Leishmaniasis, Zika

Plenty of sunshine

12h of sunshine daily

Exceptional dining scene

50 Michelin-listed restaurants

Good For

🥾
Outdoor enthusiasts
Ideal hiking conditions: 19°C, 12% rain chance
📸
Photographers
12h sunshine, 53% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 97/100 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
77% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Sintra in May averages 19°C with 12% precipitation probability."

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

Frequently Asked Questions: Sintra in May

What are the temperatures in Sintra in May?

Daytime highs average 19°C, nights drop to 13°C. Temperatures remain fairly consistent.

How many rainy days in Sintra in May?

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

What to wear in Sintra in May?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is May peak season in Sintra?

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

Sintra Weather in May

Sintra May 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 May a Good Time to Visit Sintra?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Sintra in May

What are the temperatures in Sintra in May?

How many rainy days in Sintra in May?

What to wear in Sintra in May?

Is May peak season in Sintra?