Portorož monthly weather averages

Average daytime temperature

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

Portorož average temperature chart (Celsius) Portorož average temperature chart (Fahrenheit)
Average monthly temperatures in Portorož (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.3 8.9 12.1 16.2 21 24.6 27.4 27 23.4 18.3 12.5 8.4
°F 45.1 48 53.8 61.1 69.8 76.2 81.3 80.5 74 64.9 54.5 47.1

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.

Portorož monthly rainfall chart (mm) Portorož monthly rainfall chart (inches)
Average monthly rainfall in Portorož (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 87 77 83 97 93 110 78 105 115 109 123 98
inches 3.4 3 3.3 3.8 3.7 4.3 3.1 4.2 4.5 4.3 4.9 3.9
Rainy days 12 11 11 13 14 15 12 12 11 11 13 12

Average daily sunshine

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

Portorož average daily sunshine chart
Average daily sunshine Portorož
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.9 5.1 5.4 6.6 8 8.8 10.1 9.3 7.6 5.9 4 3.5

Day / night temperatures

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

Portorož average minimum / maximum temperatures (Celsius) Portorož average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Portorož (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.6 1.6 3.8 7.3 11.4 14.8 17 16.7 13.9 9.7 5.1 1.6
Max °C 7.4 9.1 12.3 16.4 21.3 24.8 27.7 27.2 23.6 18.5 12.7 8.5
Min °F 33.1 34.8 38.8 45.1 52.5 58.7 62.6 62.1 56.9 49.4 41.2 34.9
Max °F 39.2 41.6 46.5 53.3 61.4 67.7 72.2 71.5 65.7 57.3 48 41.1

Sea temperature

The graph below shows the average sea temperature.

Portorož average sea temperature chart (Celsius) Portorož average sea temperature chart (Fahrenheit)
Average sea temperature around Portorož in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.6 10.4 11 13.7 18.1 22.4 25.1 25.6 23 19.6 16.5 13.9
°F 52.9 50.7 51.7 56.6 64.5 72.4 77.2 78.1 73.4 67.3 61.6 57.1

Wind speed

The graph below shows the average wind speed.

Portorož average winspeed by month (km/h) Portorož average winspeed by month (mph)
Average wind speed in Portorož (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 8 8 8 8 7 6 6 6 7 8 8 8
mph 5 5 5 5 4 4 4 4 4 5 5 5

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.

Portorož relative humidity averages
Average relative humidity in Portorož
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 71% 69% 69% 69% 71% 68% 69% 72% 73% 72% 73%

Other monthly averages

UV index Best time to go?

Portorož weather stats

Portorož weather statistics
Hottest month: July 27.4°C 81.3°F
Driest month: February 77mm 3ins
Sunniest month: July 10.1hrs
Coldest month: January 7.3°C 45.1°F
Wettest month: November 123mm 4.8ins
Warmest sea: August 25.6°C 78.1°F
Map showing location of Portorož (45.51429, 13.59206)

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