Koper Weather in May
Koper in May
The short of it: Koper in May averages a high of 23 °C (73 °F) and a low of 15 °C (58 °F), with 80 mm (3.1 in) of rain and about 14 h 53 min of daylight. Rated 3 of 5 for a visit; the best months are June and April. Source: TerraClimate climate normals, 1991–2020.
Average high 23° · low 15° · rain 80 mm · daylight 14 h 53 min
✦✦✦ Fair for a visit · best months: June & April
May in Koper brings afternoons near 23° and nights around 15°, with about 80 mm of rain over the month. Spring takes hold here: highs climb 5° from April to about 23°, with nights near 15°. Wet spells are common — about 80 mm, the 5th wettest month.
The sun is up for about 14 h 53 min in mid-May, 85 minutes more than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates May 3 of 5 for a visit; the finest months here are June and April.
Against its neighbours, Koper runs warmer than most and drier than most in May. Izola, 6 km to the WSW, is 1° cooler by day.
May in Koper, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus April
- 5° warmer, 14 mm more rain
- Versus June
- 4° colder
- Day–night spread
- 8°
- Snow season
- seldom any
- Daylight, mid-month
- 14 h 53 min
- Average wind
- 8 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| IzolaMunicipality of Izola | 6 km WSW | 22° | 14° | 85 mm |
| MuggiaFriuli Venezia Giulia | 7 km NNE | 22° | 14° | 84 mm |
| LucijaMunicipality of Piran | 11 km WSW | 22° | 14° | 81 mm |
| TriesteFriuli Venezia Giulia | 12 km NNE | 23° | 15° | 84 mm |
| OpicinaFriuli Venezia Giulia | 16 km NNE | 21° | 12° | 109 mm |
| UmagIstria | 21 km SW | 23° | 14° | 77 mm |
| SežanaMunicipality of Sežana | 21 km NNE | 20° | 11° | 124 mm |
| GradoFriuli Venezia Giulia | 29 km WNW | 22° | 14° | 94 mm |