World Resorts Slovenia Piran Weather

Piran 14 Days Forecast

20.12
sat
Day
55°F
S 2 mph
Precip.
0%
Night
41°F
W 4 mph
Precip.
0%
21.12
sun
Day
54°F
W 2 mph
Precip.
0%
Night
41°F
W 5 mph
Precip.
0%
22.12
mon
Day
52°F
W 3 mph
Precip.
0%
Night
45°F
W 4 mph
Precip.
76%
23.12
tue
Day
52°F
W 4 mph
Precip.
100%
Night
41°F
W 11 mph
Precip.
100%
24.12
wed
Day
46°F
SW 13 mph
Precip.
100%
Night
37°F
SW 17 mph
Precip.
100%
25.12
thu
Day
45°F
SW 12 mph
Precip.
0%
Night
34°F
W 8 mph
Precip.
42%
26.12
fri
Day
45°F
W 6 mph
Precip.
0%
Night
32°F
W 7 mph
Precip.
0%
27.12
sat
Day
43°F
SW 6 mph
Precip.
0%
Night
32°F
W 6 mph
Precip.
0%
28.12
sun
Day
45°F
SW 4 mph
Precip.
0%
Night
32°F
W 6 mph
Precip.
0%
29.12
mon
Day
43°F
SW 2 mph
Precip.
0%
Night
32°F
W 4 mph
Precip.
0%
30.12
tue
Day
41°F
W 2 mph
Precip.
72%
Night
39°F
W 5 mph
Precip.
100%
31.12
wed
Day
48°F
NW 5 mph
Precip.
100%
Night
41°F
SW 7 mph
Precip.
100%
01.01
thu
Day
41°F
SW 15 mph
Precip.
100%
Night
30°F
W 15 mph
Precip.
100%
02.01
fri
Day
32°F
W 7 mph
Precip.
100%
Night
27°F
SW 12 mph
Precip.
100%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 56.6°F. The highest and lowest sea temperatures during the month were 57.9°F and 55.2°F.

Sea water temperature in January, °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.

Air temperature in Piran, °F

Precipitation total in Piran, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Piran

Sunniest months:
August 23 days
July 22 days
June 20 days
Warmest months:
August 85.1 °F
July 85.0 °F
June 80.4 °F
Warmest sea temp:
August 78.7 °F
July 78.4 °F
September 74.2 °F
Coldest months:
January 45.7 °F
December 47.8 °F
February 48.4 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.5 mph
March 6.4 mph
November 6.1 mph

Piran on a weather map

Piran
+55°F
S 2 mph
Feels like: +55°F
Precip.: 0%
Places in Slovenia:
Name
°F
+43°F
+45°F
+55°F
+55°F
+46°F
+46°F
+55°F
+55°F
+55°F
+46°F
+48°F
24 Hours Forecast
Piran
Local time: 11:44
December 20, saturday
1200
55°F
S
2 mph
1500
54°F
S
2 mph
1800
50°F
SW
2 mph
2100
43°F
W
4 mph
December 21, sunday
0000
41°F
W
4 mph
0300
41°F
W
5 mph
0600
41°F
W
4 mph
0900
41°F
W
4 mph
Units of measurement: °C / °F