The temperatures in Postojna in June are comfortable with low of 11°C and and high up to 24°C.
You can expect rain for roughly half of the month of June in Postojna. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Postojna in June 2025.
If you’re planning to visit Postojna in the near future, we highly recommend that you review the 14 day weather forecast for Postojna before you arrive.
Temperatures
24° / 11°
Rainy Days
11
Snowy Days
0
Dry Days
19
Rainfall
219
mm
Sun Hours
11.1
Hrs