Koper weather in April (Slovenia)

What does the weather outlook for Koper look like in April? Check out this detailed guide to the month’s weather conditions.

Temperatures

During April, Koper usually has moderate temperatures and high rainfall. Throughout the day, temperatures can rise to about 17°C. At night, they generally drop to 9°C.

Precipitation

Koper in April usually receives high rainfall, averaging around 104 mm for the month. Historically, approximately 13 days this month are expected to have rain.

Average sunshine

Expect sunny days throughout the month, with an estimated 197 hours of sunshine. Making it a pleasant time to visit Koper.

In case you lean more towards enjoying temperate temperatures and rain-free days June, July and August typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

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

 

Koper, monthly averages in April

Min Temperature 9°C  

Max Temperature 17°C  

Chance of Rain 45%  

Precipitation 104 mm  

Rainy days 13 days  

Humidity 55% *  

Sunshine 197 hours *  

Percentage Sunshine *  

* Data from: Portorož, Slovenia (11 KM, 7 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?

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.

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 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.