Weather in Koper for April 2025
Moderate Thunderstorm Risk Warning - See hour by hour.
Until now, April 2025 in Koper is slightly cooler than the historical average by -1.6 °C.
Expect cooler weather in the next days in Koper with the forecast suggesting a temperature of 17.6 °C, lower than the historical average.
In general, the average temperature in Koper at the beginning of April is 15.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.3 °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.
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Temperatures
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Koper Weather April
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 14° | 2 16° | 3 15° | 4 17° | 5 17° | 6 15° | |
7 15° | 8 18° | 9 18° | 10 18° | 11 19° | 12 22° | 13 22° |
14 18° | 15 18° | 16 20° | 17 17° | 18 13° | 19 15° | 20 15° |
21 14° | 22 18° | 23 18° | 24 17° | 25 18° | 26 18° | 27 19° |
28 19° | 29 18° | 30 19° |
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Temperatures trend during April in Koper
April weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Apr. | Moderate or heavy rain shower | 14° /7° | 9.9 mm | 4 | |
2 Apr. | Patchy light rain with thunder | 16° /7° | 2.8 mm | 4 | |
3 Apr. | Patchy light drizzle | 15° /6° | 0.9 mm | 4 | |
4 Apr. | Patchy rain possible | 17° /7° | 0.1 mm | 5 | |
5 Apr. | Patchy rain possible | 17° /7° | 0.4 mm | 5 | |
6 Apr. | Partly cloudy | 15° /6° | 0.1 mm | 4 | |
7 Apr. | Sunny | 15° /5° | 0 mm | 5 | |
8 Apr. | Overcast | 18° /7° | 0 mm | 5 | |
9 Apr. | Overcast | 18° /7° | 0 mm | 5 | |
10 Apr. | Overcast | 18° /7° | 0 mm | 5 | |
11 Apr. | Partly cloudy | 19° /8° | 0 mm | 6 | |
12 Apr. | Sunny | 22° /10° | 0 mm | 6 | |
13 Apr. | Sunny | 22° /10° | 0.7 mm | 6 | |
14 Apr. | Partly cloudy | 18° /12° | 14.7 mm | 5 | |
15 Apr. | Partly cloudy | 18° /11° | 20.9 mm | 5 | |
16 Apr. | Light drizzle | 20° /7° | 3.6 mm | 5 | |
17 Apr. | Light rain shower | 17° /5° | 2.3 mm | 4 | |
18 Apr. | Patchy rain possible | 13° /6° | 1.1 mm | 3 | |
19 Apr. | Partly cloudy | 15° /6° | 0.5 mm | 4 | |
20 Apr. | Light drizzle | 15° /6° | 0.5 mm | 4 | |
21 Apr. | Overcast | 14° /5° | 0 mm | 3 | |
22 Apr. | Patchy rain possible | 18° /14° | 1.9 mm | 1.5 | |
23 Apr. | Moderate rain | 18° /13° | 9.5 mm | 1.3 | |
24 Apr. | Patchy rain possible | 17° /14° | 2.5 mm | 0.5 | |
25 Apr. | Patchy rain possible | 18° /13° | 2.9 mm | 0.2 | |
26 Apr. | Sunny | 18° /13° | 0 mm | 5 | |
27 Apr. | Patchy rain possible | 19° /14° | 0.6 mm | 4 | |
28 Apr. | Cloudy | 19° /13° | 0 mm | 4 | |
29 Apr. | Sunny | 18° /14° | 0 mm | 5 | |
30 Apr. | Sunny | 19° /13° | 0 mm | 5 | |
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Koper in April - FAQ
April rainfall patterns in Koper
UV exposure in Koper during April
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Get accurate weather forecasts for Koper, located at latitude 45.547 and longitude 13.729. Stay updated with localized weather information tailored for Koper.