World Resorts Slovenia Postojna

Postojna Monthly Weather Averages

Please click on any column to get detailed information about Postojna weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
39.5
46.9
58.7
67.5
78.3
79.4
75.0
63.2
55.9
48.1
42.0
37.7
33.0
39.8
46.9
52.6
60.5
59.9
57.5
49.1
41.9
35.9
32.8
29.9
Day temperature   
Night temperature

The warmest month in Postojna is july. The average daily temp is 79.4°F. The average nightly temp is 59.9°F.

Precipitation total, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.2
3.2
4.3
5.4
6.5
7.6
5
5.3
3.4
5.1
3.4
4.1
3.8
6.3
3.7
3.2
3.8
2.9

January is the month with least precipitations during the year. The average precipitation totals for this month is 2.9 in. The month with most precipitation total is May.

Number of rainy days

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
5
6
4
7
5
7
7
9
6
5
5
5

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
4.8
5.3
5.3
5.2
5
4.8
5.2
5.7
6.2
6.1
6.1
5.6
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
16
17
12
8
5
5
6
15
12
14
15
15
7
8
9
8
9
9
10
9
6
7
5
7
8
6
10
13
17
17
14
7
12
11
8
9
Cloudy days   
Partly cloudy days   
Sunny days
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
12
3.1
4.1
5.4
7.6
8.5
10.3
10.3
6.7
6.1
6.2
4.6
3.6

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

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

Best time for vacation in Postojna

Sunniest months:
August 20 days
July 19 days
June 16 days
Warmest months:
July 78.5 °F
August 77.7 °F
June 74.0 °F
Coldest months:
January 37.5 °F
December 39.5 °F
February 39.8 °F
Rainiest months:
May 9 days
June 8 days
July 7 days
Windiest months:
February 6.1 mph
March 6.1 mph
April 6.0 mph

Postojna on a weather map

Leaflet | Tiles © Esri
Places in Slovenia:
Name
°F
Bled
+23°F
Bovec
+34°F
Bohinjsko Jezero
+37°F
Dolenjske Toplice
+34°F
Isola
+45°F
Koper
+45°F
Kranjska Gora
+32°F
Ljubljana
+36°F
Maribor
+36°F
Piran
+39°F
Portoroz
+39°F
Rogaska Slatina
+36°F
Rogla
+34°F
Strunjan
+39°F
Cerkno
+32°F
all places
24 Hours Forecast
Postojna
Local time: 05:59
April 09, wednesday
0600
34°F
N
2 mph
0900
46°F
NE
4 mph
1200
52°F
E
8 mph
1500
52°F
E
8 mph
1800
45°F
E
4 mph
2100
43°F
NE
1 mph
April 10, thursday
0000
39°F
SW
1 mph
0300
36°F
W
2 mph
Units of measurement: °C / °F