Koper weather in May (Slovenia)

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

Temperatures

In May, Koper usually has pleasant temperatures and high rainfall. The daytime often sees temperatures reaching 21°C, but nighttime brings a cool-down to 14°C.

Precipitation

Koper in May usually receives high rainfall, averaging around 109 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 14 days of the month will see rainfall.

Average sunshine

Enjoy a sunny month with about 256 hours of sunshine, providing a cheerful and lively atmosphere.

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

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

 

Koper, monthly averages in May

Min Temperature 14°C  

Max Temperature 21°C  

Chance of Rain 47%  

Precipitation 109 mm  

Rainy days 14 days  

Humidity 54% *  

Sunshine 256 hours *  

Percentage Sunshine *  

Data from: Portorož, Slovenia (11 KM, 7 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

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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?

For visitors traveling to Koper, 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

6/10

Outdoor sports

9/10

Interested in more climate information?

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

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.