Weather in Koper in maj
Climate normals based on 10 years of historical data for Koper, Slovenien.
Average high
21°C
Average low
13°C
Rainfall
139 mm
16 rainy days
Sunshine
3.6h/day
Luftfuktighet
75%
How Hot Is Koper in maj?
May brings genuinely warm weather to Koper — 21°C by day, 13°C at night. May is the steepest cool-down of the year — 4°C off April's peaks.
Sunshine Hours in maj
Long days but mixed skies in Koper: 15h of daylight (sunrise 5:35 am, sunset 8:30 pm), with about 3.6h of sun a day.
Does It Rain In Koper In maj?
May's rainfall in Koper is significant: 139mm across 16 days.
Is Koper Humid In maj?
Humid air dominates Koper in May: 75% on average makes warm days feel hotter.
Wind In Koper In maj
Breezes around 15 kph in Koper this May — comfortable for outdoor activity.
Cloud Cover In Koper In maj
Cloudy skies dominate Koper in May — averaging 64% cloud cover.
Cities With Similar Weather In maj
Weather in Koper, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 8°C / 2°C | 82mm | Details → |
| Vädret i februari | 10°C / 3°C | 103mm | Details → |
| Vädret i mars | 13°C / 5°C | 87mm | Details → |
| Vädret i april | 17°C / 9°C | 89mm | Details → |
| Vädret i maj | 21°C / 13°C | 139mm | |
| Vädret i juni | 26°C / 18°C | 96mm | Details → |
| Vädret i juli | 29°C / 20°C | 85mm | Details → |
| Vädret i augusti | 29°C / 21°C | 109mm | Details → |
| Vädret i september | 24°C / 16°C | 180mm | Details → |
| Vädret i oktober | 19°C / 12°C | 143mm | Details → |
| Vädret i november | 13°C / 7°C | 150mm | Details → |
| Vädret i december | 10°C / 4°C | 119mm | Details → |