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Piran weather in January

Weather in Piran: January

Average day temperature: 45.7°F
Average night temperature: 36.0°F
Sea water temperature: 51.2°F
Number of sunny days: 12 days
Day length: 8.8 - 9.7 hours
Number of rainy days: 4 days
Precipitation totals: 2.5 in.

Air temperature in January, °F

Show year:
2025
2024
2023
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 January of 2025 was 56°F. At the same time the lowest night temperature was 28°F. Daily and nightly averages during January were 47.9°F and 37.9°F.

Sea water temperature in Piran in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
45
48
51
54
57
60

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.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
39%
23%
39%

Number of sunny, partly cloudy and cloudy days in January is almost equal.

Precipitation total in January, 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
4.8
4.6
3.3
4.6
2.8
2.6
2.8
4.6
3.2
2.4
3.1
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 January is 2.1 in. Other months of the year show relatively similar values.

Wind speed in January, 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
4.9
5.8
5.4
5.5
5.1
4.9
5.0
5.5
6.0
6.2
5.7
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 January is 5.3 mph

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
4.0
4.9
6.3
8.3
10.1
11.0
10.9
7.5
7.1
6.9
5.2
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 January is: 4.5.

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
+34°F
+50°F
+57°F
+57°F
+43°F
+54°F
+52°F
+57°F
+57°F
+48°F
+57°F
+45°F
24 Hours Forecast
Piran
Local time: 12:55
April 01, tuesday
1500
55°F
SW
17 mph
1800
54°F
SW
17 mph
2100
48°F
SW
16 mph
April 02, wednesday
0000
52°F
SW
14 mph
0300
50°F
SW
12 mph
0600
48°F
SW
14 mph
0900
57°F
SW
14 mph
1200
63°F
SW
14 mph
Units of measurement: °C / °F