Weather in Koper in april
Climate normals based on 10 years of historical data for Koper, Republika Slovenija.
Average high
17°C
Average low
9°C
Rainfall
89 mm
10 rainy days
Sunshine
4.8h/day
Vlažnost
70%
How Hot Is Koper in april?
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 april
Koper's April mixes long daylight with frequent cloud — 4.8h of direct sun on average.
Does It Rain In Koper In april?
Showers come almost daily: 89mm in 10 days in Koper.
Is Koper Humid In april?
Mugginess defines the air in Koper: 70% humidity, especially heavy after rain.
Wind In Koper In april
Breezes around 16 kph in Koper this April — comfortable for outdoor activity.
Cloud Cover In Koper In april
Grey, cloudy days are the norm: 56% average cover in Koper.
Cities With Similar Weather In april
Weather in Koper, month by month
| Month | High / Low | Dež | |
|---|---|---|---|
| Vreme v januarju | 8°C / 2°C | 82mm | Details → |
| Vreme v februarju | 10°C / 3°C | 103mm | Details → |
| Vreme v marcu | 13°C / 5°C | 87mm | Details → |
| Vreme v aprilu | 17°C / 9°C | 89mm | |
| Vreme v maju | 21°C / 13°C | 139mm | Details → |
| Vreme v juniju | 26°C / 18°C | 96mm | Details → |
| Vreme v juliju | 29°C / 20°C | 85mm | Details → |
| Vreme v avgustu | 29°C / 21°C | 109mm | Details → |
| Vreme v septembru | 24°C / 16°C | 180mm | Details → |
| Vreme v oktobru | 19°C / 12°C | 143mm | Details → |
| Vreme v novembru | 13°C / 7°C | 150mm | Details → |
| Vreme v decembru | 10°C / 4°C | 119mm | Details → |