Portorož
6 to 27°C
temperature
3031 hours
sunshine per day
977 mm
rain
178 days
dry
183 days
rain
4 days
snow

Climate of Portorož

Portorož has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Portorož is 16° degrees and there is about 977 mm of rain in a year. It is dry for 148 days a year with an average humidity of 75% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 6°C and 27°C
  • Night:the average nighttime temperature is between 2°C and 19°C
  • Sea temperature: the sea temperature is between 7°C and 29°C
  • Rain: it rains 183 days and there is a total of approximately 977 mm rainfall
  • Snow: it snows an average of 4 days per year
  • Sun hours: throughout the year there are 3031 sun hours
Maximum temperature: between 6°C and 27°C
Warmest month: 27°C in August
Coldest month: 6°C in January
Night temperature: between 2°C and 19°C
Sea temperature: between 7°C and 29°C
Dry days: 178 days
Days with rain: 183 days
Days with snow: 4 days
Total rain sum: 977 mm
Hours of sunshine: 3031 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Portorož.

Precipitation graph

This graph shows the average amount of rainfall per month for Portorož.

Climate table of Portorož

In this climate table you can see at a glance what the average weather per month is for Portorož. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Portorož might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 6 7 11 16 19 24 26 27 22 17 12 8
Night temp. (°C) 2 2 5 9 12 16 18 19 15 11 7 3
Water temp. (°C) 7 10 14 17 22 26 28 29 26 20 16 12
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 68 96 76 70 83 93 62 53 101 81 117 77
Days with rain 14 14 15 17 21 18 15 11 14 14 16 14
Days with snow 1 1 1 - - - - - - - - 1
Dry days 16 13 15 13 10 12 16 20 16 17 14 16
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 5 5 7 10 11 12 12 12 10 6 5 5
Wind force (Bft) 2 3 3 2 2 2 2 2 2 2 3 2
UV-index 2 3 3 4 5 6 6 6 4 3 3 2

Best time to visit Portorož

The best time to visit Portorož in Slovenia is from May through August. In this period you have a warm temperature and little precipitation. The highest average temperature in Portorož is 27°C in August and the lowest is 6°C in January. The water temperature is 29°C at its highest and in other months it can be 7°C.

Climate of Portorož by month

What is the average climate in a given month for Portorož? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Portorož weather experiences

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