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Piran weather in December

Weather in Piran: December

Average day temperature: 47.8°F
Average night temperature: 38.5°F
Sea water temperature: 55.7°F
Number of sunny days: 14 days
Day length: 8.7 - 9.0 hours
Number of rainy days: 5 days
Precipitation totals: 4.0 in.

Air temperature in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
9
18
27
36
45
54
63
72
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 54°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during December were 47.6°F and 36.5°F.

Sea water temperature in Piran in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
48
51
54
57
60
63
66

The average sea water temperature in December of 2024 was 56.5°F. The highest and lowest sea temperatures during the month were 60.1°F and 52.5°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
40%
17%
43%

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.8
1.7
2.5
3.3
4.1
5.0
5.8
6.6
4.6
3.3
4.6
2.8
2.6
2.8
4.6
3.2
2.4
3.1
2.1
4.8
4.6
3.3
4.6
2.8
2.6
2.8
4.6
3.2
2.4
3.1
2.1

Precipitation total value in Piran in December is 4.8 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.1
3.2
4.3
5.3
6.4
7.4
5.8
5.4
5.5
5.1
4.9
5.0
5.5
6.0
6.2
5.7
5.3
4.9
5.8
5.4
5.5
5.1
4.9
5.0
5.5
6.0
6.2
5.7
5.3

The average wind speed value in December is 4.9 mph It makes December lest windy month of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.9
3.8
5.6
7.5
9.4
11.3
13.2
15.0
4.9
6.3
8.3
10.1
11.0
10.9
7.5
7.1
6.9
5.2
4.5
4.0
4.9
6.3
8.3
10.1
11.0
10.9
7.5
7.1
6.9
5.2
4.5

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.0.

Best time for vacation in Piran

Sunniest months:
August 23 days
July 22 days
June 20 days
Warmest months:
August 85.3 °F
July 85.2 °F
June 80.2 °F
Warmest sea temp:
August 78.8 °F
July 78.3 °F
September 74.1 °F
Coldest months:
January 45.7 °F
December 47.8 °F
February 48.4 °F
Rainiest months:
November 7 days
May 7 days
September 6 days
Windiest months:
February 6.5 mph
March 6.4 mph
November 6.2 mph

Piran on a weather map

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Places in Slovenia:
Name
°F
+64°F
+61°F
+59°F
+59°F
+59°F
+66°F
+66°F
+64°F
+64°F
+64°F
+64°F
+59°F
24 Hours Forecast
Piran
Local time: 12:15
April 05, saturday
1500
63°F
E
5 mph
1800
59°F
E
2 mph
2100
52°F
NW
2 mph
April 06, sunday
0000
50°F
W
4 mph
0300
50°F
SW
9 mph
0600
41°F
W
14 mph
0900
43°F
W
14 mph
1200
52°F
W
15 mph
Units of measurement: °C / °F