Porto monthly weather averages

Average daytime temperature

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

Porto average temperature chart (Celsius) Porto average temperature chart (Fahrenheit)
Average monthly temperatures in Porto (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.3 14.2 16 17.5 19.6 22.7 24.8 25 24 20.7 16.3 13.7
°F 55.9 57.6 60.8 63.5 67.3 72.8 76.7 77.1 75.1 69.3 61.4 56.6

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.

Porto monthly rainfall chart (mm) Porto monthly rainfall chart (inches)
Average monthly rainfall in Porto (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 169 167 112 108 87 53 15 20 62 129 146 171
inches 6.6 6.6 4.4 4.3 3.4 2.1 0.6 0.8 2.4 5.1 5.8 6.7
Rainy days 17 16 15 14 13 9 6 5 8 14 15 15

Average daily sunshine

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

Porto average daily sunshine chart
Average daily sunshine Porto
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.4 5 6.6 7.7 9.1 9.8 10.7 10.3 8.1 6.5 5.1 4.5

Day / night temperatures

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

Porto average minimum / maximum temperatures (Celsius) Porto average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Porto (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 5.2 6 6.8 8.3 10.6 13.3 15 14.5 13.8 11.5 7.9 6
Max °C 13.5 14.4 16.3 17.7 19.9 22.9 25.1 25.3 24.2 21 16.6 13.9
Min °F 41.3 42.8 44.2 46.9 51 55.9 58.9 58.1 56.8 52.6 46.1 42.7
Max °F 48.7 50.4 52.7 55.4 59.4 64.6 68 67.8 66.2 61.2 54 49.8

Sea temperature

The graph below shows the average sea temperature.

Porto average sea temperature chart (Celsius) Porto average sea temperature chart (Fahrenheit)
Average sea temperature around Porto in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.3 13.8 13.8 14.4 15.5 17.2 18.3 18.9 18.5 17.5 16.3 15.1
°F 57.7 56.8 56.9 57.8 59.8 62.9 65 66 65.3 63.6 61.4 59.1

Wind speed

The graph below shows the average wind speed.

Porto average winspeed by month (km/h) Porto average winspeed by month (mph)
Average wind speed in Porto (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 18 17 16 15 14 14 14 15 16 18
mph 12 12 11 11 10 9 9 9 9 9 10 11

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.

Porto relative humidity averages
Average relative humidity in Porto
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
81% 79% 74% 74% 74% 73% 72% 72% 75% 79% 80% 81%
Porto

Other monthly averages

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Porto weather stats

Porto weather statistics
Hottest month: July 24.8°C 76.6°F
Driest month: July 15mm 0.6ins
Sunniest month: August 10.3hrs
Coldest month: January 13.3°C 55.9°F
Wettest month: December 171mm 6.7ins
Warmest sea: August 18.9°C 66°F
Map showing location of Porto (41.14961, -8.61099)

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