Koper
April
Weather in Koper for April 2025
Your guide to Koper weather in April - trends and predictions
High Wind Risk Warning - See hour by hour.
Expect cooler weather in the next days in Koper with the forecast suggesting a temperature of 13.8 °C, lower than the historical average.
In general, the average temperature in Koper at the beginning of April is 14.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 16.6 °C by the end of April.
The climate of Koper in April is notably wet, with an average of 13 rainy days, and a total of 78.5 mm of precipitation.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
17
Dry days
13
Rainy days
0
Snow days
17°/7°
Temperatures
14 km/h
Avg max wind
71 %
Avg humidity
Koper Weather April
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2   16° | 3 15° | 4 17° | 5 15° | 6  13° | |
| 7  9° | 8  11° | 9 14° | 10 13° | 11 14° | 12 15° | 13 13° |
| 14 15° | 15 21° | 16  19° | 17 14° | 18 13° | 19 14° | 20 12° |
| 21 14° | 22  11° | 23 11° | 24 10° | 25 11° | 26 13° | 27 16° |
| 28 19° | 29 23° | 30 24° |
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Temperatures trend during April in Koper
See the weather trend as well as the moving average line
April weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Apr. | Moderate or heavy rain shower | 16° /8° | 19.8 mm | 4 | |
| 2 Apr. | Sunny | 16° /11° | 0 mm | 1 | |
| 3 Apr. | Sunny | 15° /10° | 0 mm | 1.1 | |
| 4 Apr. | Sunny | 17° /11° | 0 mm | 1 | |
| 5 Apr. | Sunny | 15° /11° | 0 mm | 1.3 | |
| 6 Apr. | Patchy rain possible | 13° /7° | 0.3 mm | 3 | |
| 7 Apr. | Partly cloudy | 9° /4° | 0 mm | 3 | |
| 8 Apr. | Overcast | 11° /6° | 0 mm | 2 | |
| 9 Apr. | Sunny | 14° /8° | 0 mm | 4 | |
| 10 Apr. | Sunny | 13° /6° | 0 mm | 4 | |
| 11 Apr. | Sunny | 14° /10° | 0 mm | 4 | |
| 12 Apr. | Sunny | 15° /11° | 0 mm | 4 | |
| 13 Apr. | Patchy rain possible | 13° /12° | 4 mm | 3 | |
| 14 Apr. | Patchy rain possible | 15° /12° | 0.2 mm | 3 | |
| 15 Apr. | Partly cloudy | 21° /11° | 0 mm | 6 | |
| 16 Apr. | Light drizzle | 19° /4° | 6.9 mm | 4 | |
| 17 Apr. | Light rain shower | 14° /1° | 1.3 mm | 3 | |
| 18 Apr. | Patchy rain possible | 13° /4° | 0.1 mm | 3 | |
| 19 Apr. | Partly cloudy | 14° /3° | 0 mm | 4 | |
| 20 Apr. | Light drizzle | 12° /4° | 0.9 mm | 3 | |
| 21 Apr. | Overcast | 14° /5° | 0 mm | 3 | |
| 22 Apr. | Moderate rain | 11° /4° | 13.3 mm | 3 | |
| 23 Apr. | Light drizzle | 11° /4° | 1.8 mm | 3 | |
| 24 Apr. | Light rain shower | 10° /4° | 12.6 mm | 3 | |
| 25 Apr. | Light rain shower | 11° /4° | 3.8 mm | 3 | |
| 26 Apr. | Light rain shower | 13° /5° | 5.1 mm | 3 | |
| 27 Apr. | Light rain shower | 16° /5° | 3.1 mm | 4 | |
| 28 Apr. | Overcast | 19° /10° | 0 mm | 4 | |
| 29 Apr. | Sunny | 23° /10° | 0 mm | 6 | |
| 30 Apr. | Patchy rain possible | 24° /11° | 1.9 mm | 5 | |
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Important Notice
Our weather forecast for Koper in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Koper forecast closer to your planned date for the most up-to-date weather information.
Koper in April - FAQ
What are the expected maximum and minimum temperatures in Koper during April?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Koper during April?
Moderate rainfall is anticipated in Koper during April, with a total of 78.5 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Koper during April?
The average wind speed in Koper during April is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in Koper
Explore the daily rainfall trends and prepare for Kopers April weather 💧
UV exposure in Koper during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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