World Resorts

Slovenia

Piran Weather

Piran 14 Days Forecast

18.12
thu

Day

54°F

E 1 mph

Precip.
0%

Night

45°F

N 2 mph

Precip.
80%

19.12
fri

Day

52°F

N 1 mph

Precip.
77%

Night

45°F

W 2 mph

Precip.
60%

20.12
sat

Day

54°F

S 2 mph

Precip.
0%

Night

41°F

W 4 mph

Precip.
0%

21.12
sun

Day

52°F

W 1 mph

Precip.
0%

Night

45°F

W 2 mph

Precip.
0%

22.12
mon

Day

54°F

NW 4 mph

Precip.
100%

Night

48°F

NW 9 mph

Precip.
100%

23.12
tue

Day

54°F

N 8 mph

Precip.
100%

Night

43°F

N 3 mph

Precip.
100%

24.12
wed

Day

52°F

N 3 mph

Precip.
100%

Night

45°F

NW 3 mph

Precip.
72%

25.12
thu

Day

55°F

NW 4 mph

Precip.
100%

Night

46°F

W 4 mph

Precip.
25%

26.12
fri

Day

52°F

SW 9 mph

Precip.
100%

Night

41°F

W 5 mph

Precip.
0%

27.12
sat

Day

52°F

W 7 mph

Precip.
0%

Night

43°F

SW 8 mph

Precip.
0%

28.12
sun

Day

50°F

SW 6 mph

Precip.
0%

Night

41°F

SW 6 mph

Precip.
100%

29.12
mon

Day

46°F

SW 2 mph

Precip.
0%

Night

41°F

W 2 mph

Precip.
0%

30.12
tue

Day

50°F

SW 3 mph

Precip.
53%

Night

39°F

SW 9 mph

Precip.
100%

31.12
wed

Day

45°F

SW 9 mph

Precip.
26%

Night

37°F

W 12 mph

Precip.
100%

sea water
temperature

Piran

monthly
weather

Piran

current
weather

Piran

7 days
forecast

Piran

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2025

2024

2023

The average sea water temperature in December of 2025 was 56.8°F. The highest and lowest sea temperatures during the month were 57.9°F and 55.4°F.

Show year:

2025

2024

2023

The average sea water temperature in January of 2025 was 51.6°F. The highest and lowest sea temperatures during the month were 53.2°F and 50.4°F.