worldweatherSlovenia weather in May - temperature, rain and is it a good time to visit?
May is one of the best months for a holiday in Slovenia.
Daytime
21°
Night
10°
☀️ Day length
14 h 57 min
Chance of rain
55%
Thunder days
19%
Humid days
14%
In May, Slovenia averages about 21° during the day and 10° at night. Rain is fairly likely - around a 55% chance on a given day, so pack for showers.
Slovenia weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January | 5℃ | -2℃ | 30% |
| February | 7℃ | -1℃ | 43% |
| March | 12℃ | 2℃ | 34% |
| April ★ | 18℃ | 6℃ | 44% |
| May ★ | 21℃ | 10℃ | 55% |
| June ★ | 26℃ | 14℃ | 48% |
| July ★ | 28℃ | 16℃ | 47% |
| August ★ | 27℃ | 15℃ | 39% |
| September ★ | 22℃ | 12℃ | 44% |
| October ★ | 17℃ | 7℃ | 41% |
| November | 11℃ | 3℃ | 44% |
| December | 6℃ | -1℃ | 24% |
★ - months most often recommended for travel
Where is it warmest in Slovenia in May? Weather by city
| Place | Day | Night | 🌊 Sea | Chance of rain |
|---|---|---|---|---|
| Koper | 22℃ | 12℃ | 18℃ | 43% |
| Predjama | 22℃ | 13℃ | - | 46% |
| Ljubljana | 21℃ | 9℃ | - | 59% |
| Maribor | 21℃ | 10℃ | - | 61% |
| Novo Mesto | 21℃ | 10℃ | - | 62% |
| Ptuj | 21℃ | 10℃ | - | 61% |
| Celje | 21℃ | 10℃ | - | 46% |
| Velenje | 21℃ | 9℃ | - | 59% |
| Smartnoprilitiji | 21℃ | 9℃ | - | 59% |
| Kranj | 20℃ | 8℃ | - | 54% |
Travelling soon? Check the live 14-day weather forecast for Slovenia.