Sintra monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Sintra

Sintra average temperature chart (Celsius) Sintra average temperature chart (Fahrenheit)
Average monthly temperatures in Sintra (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.2 15.1 16.9 18.2 20.8 23.6 26.2 26.6 25.4 21.7 17.2 14.6
°F 57.5 59.2 62.5 64.8 69.4 74.6 79.2 79.9 77.7 71 63 58.2

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Sintra monthly rainfall chart (mm) Sintra monthly rainfall chart (inches)
Average monthly rainfall in Sintra (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 123 121 78 71 46 26 7 8 31 89 122 120
inches 4.9 4.8 3.1 2.8 1.8 1 0.3 0.3 1.2 3.5 4.8 4.7
Rainy days 15 14 13 12 9 5 2 2 6 11 13 14

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Sintra

Sintra average daily sunshine chart
Average daily sunshine Sintra
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.1 5.7 7.1 8.2 9.8 10.6 11.9 11.6 9.2 7.3 5.7 5.1

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Sintra average minimum / maximum temperatures (Celsius) Sintra average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sintra (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 8.1 9 9.7 10.8 12.8 15.2 17 17.2 16.6 14.4 11 8.9
Max °C 14.3 15.3 17.1 18.4 21 23.9 26.5 26.9 25.6 21.9 17.4 14.7
Min °F 46.6 48.1 49.5 51.4 55 59.3 62.5 62.9 61.9 57.8 51.8 48
Max °F 52.2 53.8 56.1 58.3 62.4 67.1 71.1 71.6 70 64.6 57.6 53.2

Sea temperature

The graph below shows the average sea temperature.

Sintra average sea temperature chart (Celsius) Sintra average sea temperature chart (Fahrenheit)
Average sea temperature around Sintra in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.7 15.1 15.2 15.8 16.9 18.7 19.8 20.4 20.4 19.7 18.3 16.8
°F 60.2 59.2 59.3 60.5 62.5 65.6 67.7 68.7 68.7 67.5 64.9 62.2

Wind speed

The graph below shows the average wind speed.

Sintra average winspeed by month (km/h) Sintra average winspeed by month (mph)
Average wind speed in Sintra (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 15 14 14 14 14 14 14 13 13 13 14
mph 9 9 9 9 9 9 9 9 8 8 8 9

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Sintra relative humidity averages
Average relative humidity in Sintra
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
81% 79% 73% 71% 68% 68% 65% 64% 69% 74% 78% 80%
Sintra

Other monthly averages

UV index Best time to go?

Sintra weather stats

Sintra weather statistics
Hottest month: August 26.6°C 79.9°F
Driest month: July 7mm 0.3ins
Sunniest month: August 11.6hrs
Coldest month: January 14.2°C 57.6°F
Wettest month: January 123mm 4.8ins
Warmest sea: September 20.4°C 68.7°F
Map showing location of Sintra (38.80097, -9.37826)

Locations nearby

Top Portugal locations

Change units