Sintra Weather and Climate: A Comprehensive Guide
Temperatures in Sintra experience a moderate degree of variance through the seasons.
Days can be warm, while the cooler months tend
to be mild.
It maintains moderate precipitation patterns.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
The climate in Sintra experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a comfortable 23°C in August to a moderate 15°C in the coolest month, January.
Nights are cooler, with lows often dropping to around 11°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Sintra receives mid-range precipitation levels, with 639 mm annually. The climate in Sintra shows significant variation throughout the year. Expect moderate rainfall in November, with an average of 96 mm of precipitation over 13 rainy days. In contrast, July offers drier and sunnier days, with around 3.7 mm of rainfall over 2 rainy days. For more details, please visit our Sintra Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Sintra serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.8 hours of sunshine daily, and embrace the darker days in December, offering only 5.4 hours of daily sunlight. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Sintra.
The city experiences its highest humidity in January, reaching 82%. In July, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
almost clear and no rain partly cloudy and no rain clear and no rainForecast for Sintra
4 m/s
3 m/s
5 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Sintra in Portugal
During the months of June, July, August, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of June, July and August are very dry.
August has an average maximum temperature of 23°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 15°C.
November tops the wettest month list with 96 mm of rainfall.
July is the driest month with 4 mm of precipitation.
July is the sunniest month with an average of 385 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
