Sea temperature Piran today

Updated 04.08.2026 07:13 • Fresh data

Sea temperature

27,9°C

Waves 0,1 m · period 2,2 s

Wave height 0,1 m Period 2,2 s

Wave direction S 181°

Wind waves 0,0 m

Sea current 0,7 km/h Direction S

Swell height 0,1 m

Swell direction S 181°

Air temperature

23°C

Clear · Feels like: 26°C

Wind 5 km/h S 164°

Wind gusts 9 km/h Surface pressure 1011 hPa

Humidity 82 %

UV indeks 0,5 Low

Visibility 30,7 km

Cloud cover 0 %

Weather and sea for the next 7 days - Piran

Today, 4.8

Mostly clear

Air

32°C

min 23°C

Sea temperature

28,7°C

min 27,9°C

Waves0,1 m Wind11 km/h Precipitation probability0 % UV max6,9

Tomorrow, 5.8

Cloudy

Air

33°C

min 24°C

Sea temperature

29,1°C

min 28,2°C

Waves0,1 m Wind12 km/h Precipitation probability0 % UV max6,8

Thu, 6.8

Cloudy

Air

34°C

min 26°C

Sea temperature

29,3°C

min 28,4°C

Waves0,0 m Wind14 km/h Precipitation probability0 % UV max6,6

Fri, 7.8

Light showers

Air

33°C

min 26°C

Sea temperature

29,5°C

min 28,4°C

Waves0,2 m Wind24 km/h Precipitation probability30 % UV max6,1

Sat, 8.8

Cloudy

Air

31°C

min 25°C

Sea temperature

28,6°C

min 28,1°C

Waves0,2 m Wind15 km/h Precipitation probability35 % UV max6,8

Sun, 9.8

Cloudy

Air

32°C

min 22°C

Sea temperature

28,0°C

min 27,4°C

Waves0,1 m Wind12 km/h Precipitation probability5 % UV max6,7

Mon, 10.8

Cloudy

Air

31°C

min 24°C

Sea temperature

28,1°C

min 27,3°C

Waves0,1 m Wind12 km/h Precipitation probability19 % UV max6,6

Sea temperature Piran by month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature	13°	11°	12°	14°	18°	23°	26°	26°	24°	21°	18°	14°

When to swim in Piran?

Swimming season

May – Oct

Sea temperature above 18 °C

Warmest month

Aug

Average 26°C

Coldest month

Feb

Average 11°C

Annual average

18.4°C

Average sea temperature

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