Postojna weather in May (Notranjska, Slovenia)

What's the typical weather in Postojna for May? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

May in Postojna generally includes pleasant temperatures and high rainfall. You can expect daytime temperatures to reach around 20°C, while the nights will see a decline to about 10°C.

Precipitation

Postojna in May usually receives high rainfall, averaging around 143 mm for the month. This month experiences about 16 days of rain according to historical data.

Average sunshine

Enjoy a sunny month with about 227 hours of sunshine, providing a cheerful and lively atmosphere.

If you favor pleasant temperatures and minimal rainfall, May is one of the better months to visit Postojna. May, June, July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.

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

 

Postojna, monthly averages in May

Min Temperature 10°C  

Max Temperature 20°C  

Chance of Rain 54%  

Precipitation 143 mm  

Rainy days 16 days  

Humidity 64% *  

Sunshine 227 hours *  

Percentage Sunshine 51% *  

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

Where to go in Slovenia in May

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

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

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?

For visitors traveling to Postojna, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling

9/10

Walking

9/10

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.