Sintra weather is a fascinating topic, as the city is known for its unique microclimate that can differ greatly from the rest of Portugal. The city is situated in the foothills of the Serra de Sintra mountain range, which creates a barrier that protects the city from the harsh Atlantic winds and rain. This results in a milder climate that is perfect for those who want to escape the heat of the sun.

The city of Sintra has a Mediterranean climate, characterized by mild winters and warm summers. The average temperature in the winter is around 10°C (50°F) and in the summer it can reach up to 25°C (77°F). The city is also known for its high humidity, which can make the temperature feel warmer than it actually is.

Sintra’s microclimate is also influenced by the Atlantic Ocean, which is located just a few kilometers away. The ocean currents bring in cool, moist air that helps to keep the temperature mild, even during the summer months. This makes Sintra an ideal destination for those who want to enjoy the warm sunshine without feeling overheated.

The city of Sintra is also known for its high rainfall, especially during the winter months. The average rainfall in the city is around 1000mm per year, with the highest amount of precipitation occurring in the months of December and January. Despite this, the city is still a popular destination for tourists who want to experience the mild weather and beautiful natural surroundings.

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Month Low (°C) High (°C) Low (°F) High (°F) Rain (%)
January 7 15 45 59 80
February 8 16 46 61 75
March 10 17 50 63 70
April 12 19 54 66 65
May 14 21 57 70 60
June 16 24 61 75 55
July 18 26 64 79 50
August 18 26 64 79 50
September 16 24 61 75 55
October 14 21 57 70 60
November 12 19 54 66 65
December 10 17 50 63 70

When it comes to deciding the best time to visit Sintra, it ultimately depends on what you are looking for in a vacation. The summer months of June through August are the warmest and driest, making it the perfect time for those who want to enjoy the sunshine and explore the city’s many outdoor attractions. The temperatures during this time are usually in the high 20s, with occasional heat waves reaching 30°C and above. Keep in mind that the city can get crowded during this time.

On the other hand, the spring and fall months of April through May and September through October offer milder temperatures and fewer crowds. This is the perfect time for those who want to experience the city’s natural beauty without the heat of the summer. The temperatures during this time are usually in the low to mid 20s.

The winter months of December through February offer the coolest temperatures and the highest chance of rain. However, it is also the best time to enjoy Sintra’s historic palaces and castles, as they are less crowded and offer a unique, atmospheric experience. The temperatures during this time are usually around 10°C and occasionally drop below freezing.

In conclusion, the best time to visit Sintra depends on what you are looking for in a vacation. If you want to enjoy the sunshine and outdoor activities, the summer months are the best choice. If you want to avoid the crowds and enjoy milder temperatures, the spring and fall months are ideal. And if you want to experience the city’s historic sites in a unique and atmospheric way, the winter months are a great choice. Keep in mind that Sintra is a beautiful place all year round, and the weather is not the only factor that makes it a great destination.