Koper weather in April (Slovenia)

Looking to travel to Koper in April? Here's what the weather might have in store during this month.

In April, Koper generally has moderate temperatures and high rainfall. Throughout the daytime, temperatures often hover around 17°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 9°C.

Koper in April usually receives high rainfall, averaging around 104 mm for the month. Typically around 13 days of rainfall is expected.

With around 197 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

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 in April and which places have the best weather conditions in this month.

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 Koper in April?

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