Postojna weather in April (Notranjska, Slovenia)

How is the weather in Postojna in April? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In April, Postojna generally has moderate temperatures and high rainfall. Throughout the daytime, temperatures often hover around 15°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 5°C.

Postojna in April usually receives high rainfall, averaging around 129 mm for the month. Based on our climate data of the past 30 years, about 16 days of rain are anticipated.

The area enjoys a balanced 178 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

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 in April and which places have the best weather 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 Postojna in April?

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 in April.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.