Koper in april: average Weather, Temperature and Climate
Weather in Koper in april 2025
The weather in Koper in april comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout april
good weather 0.9cm
Weather at 6am
50°F
Clear/Sunny
41% of time
25%
20%
9%
Weather at 12pm
63°F
Clear/Sunny
39% of time
26%
20%
10%
Weather at 6pm
56°F
Clear/Sunny
39% of time
27%
22%
10%
Weather at 3am
49°F
42%
22%
21%
8%
Evolution of daily average temperature and precipitation in Koper in april
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Koper in april.
The climate of Koper in april is good
the weather in Koper in april is wet (with 6in of rainfall over 8 days). This is better than the previous month since in march it receives an average of 6.8in of precipitation over 8 days.
The climate is rather fresh in that area april, but it is tolerable when dressing hot. The high seasonal norm is 63°F. The seasonal minimum is 50°F. Thus, the mean temperature average on this month of april in Koper is 58°F. Note that seasonal normals are in contrast with those observed in Koper in the month of april with a maximum record of 77°F in 2018 and a minimum record of 27°F in 2021. You can hope to have about 14 days with temperatures above 65°F, or 47% of the month.
Day length in Koper in april is 13:31. Sunrise is at 05:20 and sets at 18:51.
With a good weather, this month is a good time to go in this city in Slovenia.
Seasonal average climate and temperature of Koper in april
Check below seasonal norms These statistics are set from the weather statements of the last years of the month of april.
| April | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 63°F | ||||
| Lowest temperature | 50°F | ||||
| Highest record temperature | 77°F (2018) | ||||
| Lowest record temperature | 27°F (2021) | ||||
| Number of days at +65°F | 14 day(s) (47%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 56°F | ||||
| Lowest sea temperature | 52°F | ||||
| Highest sea temperature | 60°F | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6in | ||||
| Number of days with rainfall | 8 day(s) (27%) | ||||
| Record daily rainfall | 3.5in (2017) | ||||
| Snowfall | 0.9cm | ||||
| Other climate data | |||||
| Humidity | 77% | ||||
| Visibility | 9.3km | ||||
| Cloud cover | 36% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:20 | ||||
| Time of sunset | 18:51 | ||||
| Length of day | 13:31 | ||||
| Our opinion about the weather in april | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last april?
Here is the day by day recorded weather in Koper in april 2024:
56°F to 59°F
52°F to 58°F
52°F to 58°F
52°F to 58°F
54°F to 59°F
54°F to 61°F
56°F to 63°F
58°F to 65°F
58°F to 65°F
59°F to 65°F
54°F to 63°F
56°F to 65°F
58°F to 67°F
59°F to 67°F
58°F to 65°F
61°F to 63°F
45°F to 54°F
49°F to 56°F
47°F to 58°F
50°F to 54°F
47°F to 58°F
47°F to 54°F
47°F to 54°F
47°F to 50°F
49°F to 54°F
49°F to 58°F
52°F to 63°F
54°F to 65°F
56°F to 67°F
59°F to 68°F
Map: other cities in Slovenia in april
Cities near Koper:
| Ankaran in april | good weather |
| Izola in april | good weather |
| Kostabona in april | good weather |
| Portorož in april | good weather |
| Piran in april | good weather |
| Sežana in april | good weather |
| Stanjel in april | good weather |
| Predjama in april | tolerable weather |
| Ilirska Bistrica in april | tolerable weather |
| Postojna in april | tolerable weather |
| Nova Gorica in april | good weather |
| Idrija in april | tolerable weather |
Click over cities on the map for information about the weather in april.
Koper
perfect weather
good
tolerable
bad
very bad
Weather data for Koper in april:
Weather data for Koper for april are derived from an average of the weather forecast since 2009 in Koper. There is a margin of error and these forecasts are to be considered as general information only. The weather in Koper can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Koper.