Weather in Koper in aprill
Climate normals based on 10 years of historical data for Koper, Sloveenia.
Average high
17°C
Average low
9°C
Rainfall
89 mm
10 rainy days
Sunshine
4.8h/day
Niiskus
70%
How Hot Is Koper in aprill?
Daytime temperatures in Koper climb to about 17°C in April, cooling to 9°C overnight as the city shakes off winter.
Sunshine Hours in aprill
Koper's April mixes long daylight with frequent cloud — 4.8h of direct sun on average.
Does It Rain In Koper In aprill?
Showers come almost daily: 89mm in 10 days in Koper.
Is Koper Humid In aprill?
Mugginess defines the air in Koper: 70% humidity, especially heavy after rain.
Wind In Koper In aprill
Breezes around 16 kph in Koper this April — comfortable for outdoor activity.
Cloud Cover In Koper In aprill
Grey, cloudy days are the norm: 56% average cover in Koper.
Cities With Similar Weather In aprill
Weather in Koper, month by month
| Month | High / Low | Vihm | |
|---|---|---|---|
| Jaanuari ilm | 8°C / 2°C | 82mm | Details → |
| Veebruari ilm | 10°C / 3°C | 103mm | Details → |
| Märtsi ilm | 13°C / 5°C | 87mm | Details → |
| Aprilli ilm | 17°C / 9°C | 89mm | |
| Mai ilm | 21°C / 13°C | 139mm | Details → |
| Juuni ilm | 26°C / 18°C | 96mm | Details → |
| Juuli ilm | 29°C / 20°C | 85mm | Details → |
| Augusti ilm | 29°C / 21°C | 109mm | Details → |
| Septembri ilm | 24°C / 16°C | 180mm | Details → |
| Oktoobri ilm | 19°C / 12°C | 143mm | Details → |
| Novembri ilm | 13°C / 7°C | 150mm | Details → |
| Detsembri ilm | 10°C / 4°C | 119mm | Details → |