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Portorose, Slovenia Weather Averages

July is the hottest month in Portorose with an average temperature of 24°C (74°F) and the coldest is January at 5°C (41°F). The wettest month is September with an average of 60mm of rain..

Average Temperature Portorose

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Portorose

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Portorose

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Portorose : Next 24-Hour Weather

Today - 19th August 2026

Sunrise 06:11

Sunrise

Sunset 20:07

Sunset
11:00
Cloudy
29°C (83°F)
12:00
Overcast
30°C (85°F)
13:00
Overcast
30°C (85°F)
14:00
Clear
30°C (86°F)
15:00
Clear
31°C (87°F)
16:00
Partly cloudy
30°C (86°F)
17:00
Clear
29°C (84°F)
18:00
Clear
29°C (83°F)
19:00
Partly cloudy
28°C (81°F)
20:00
Clear
25°C (76°F)
21:00
Cloudy
23°C (73°F)
22:00
Overcast
24°C (74°F)
23:00
Patchy rain possible
23°C (73°F)

Tomorrow - 20th August 2026

Sunrise 06:11

Sunrise

Sunset 20:07

Sunset
0:00
Overcast
23°C (73°F)
1:00
Patchy rain possible
24°C (74°F)
2:00
Overcast
22°C (71°F)
3:00
Patchy rain possible
22°C (70°F)
4:00
Overcast
21°C (69°F)
5:00
Patchy rain possible
21°C (69°F)
6:00
Patchy rain possible
21°C (69°F)
7:00
Patchy rain possible
22°C (71°F)
8:00
Patchy rain possible
24°C (75°F)
9:00
Patchy rain possible
26°C (78°F)
10:00
Patchy rain possible
28°C (82°F)