Postojna weather in April (Notranjska, Slovenia)

How is April weather typically in Postojna? Use this page to get an overview of the month’s weather conditions.

Temperatures

In April, the weather in Postojna generally includes moderate temperatures and high rainfall. Daytime temperatures generally peak at 15°C, but after sunset, they often decrease to around 5°C.

Precipitation

Postojna in April usually receives high rainfall, averaging around 129 mm for the month. Climate data suggests that about 16 days will experience rainfall.

Average sunshine

The area enjoys a moderate level of sunlight, with around 178 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and moderate temperatures May, June, July and August generally stand out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Postojna climate page with graphs.

 

Postojna, monthly averages in April

Min Temperature 5°C  

Max Temperature 15°C  

Chance of Rain 55%  

Precipitation 129 mm  

Rainy days 16 days  

Humidity 63% *  

Sunshine 178 hours *  

Percentage Sunshine 46% *  

Data from: Triest, Italy (38 KM, 23 Miles).

Where to go in Slovenia in April

Find out more about the weather in Slovenia and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Postojna.

Our site offers climate and forecast data for every country in the world. Are you going to Slovenia? On this website you can find historical weather averages for many cities in Slovenia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.