Slovenia: weather & best time to visit
10 destinations with long-term climate data. Best time to visit overall: June – September.
Weather by month
Daytime highs and sea temperatures range across the destinations; the score is their average. Best months are marked.
| Month | Score | Air | Sea | Best weather |
|---|---|---|---|---|
| JanuaryJan | 20 | 3–8° | 11° | Maribor |
| FebruaryFeb | 23 | 5–9° | 10° | Maribor |
| MarchMar | 34 | 9–12° | 10° | Ptuj |
| AprilApr | 52 | 14–16° | 13° | Ptuj |
| MayMay | 62 | 18–21° | 18° | Maribor |
| JuneJun | 81 | 23–25° | 23° | Koper |
| JulyJul | 86 | 24–27° | 25° | Koper |
| AugustAug | 86 | 24–27° | 26° | Koper |
| SeptemberSep | 72 | 19–22° | 23° | Maribor |
| OctoberOct | 50 | 14–18° | 19° | Ptuj |
| NovemberNov | 20 | 8–13° | 16° | Ptuj |
| DecemberDec | 19 | 4–9° | 13° | Maribor |
Destinations10
Slovenia month by month
More from Europe
- Åland Islands1
- Albania8
- Andorra1
- Austria57
- Belarus3
- Belgium22
- Bosnia and Herzegovina10
- Bulgaria7
- Croatia34
- Cyprus7
- Czechia20
- Denmark19
- Estonia4
- Faroe Islands1
- Finland7
- France100
- Germany101
- Gibraltar1
- Greece62
- Guernsey1
- Hungary9
- Iceland5
- Ireland18
- Isle of Man1
- Italy100
- Jersey1
- Kosovo2
- Latvia3
- Liechtenstein1
- Lithuania4
- Luxembourg3
- Malta4
- Moldova2
- Monaco1
- Montenegro8
- Netherlands41
- North Macedonia3
- Norway18
- Poland46
- Portugal24
- Romania14
- Russia55
- San Marino1
- Serbia5
- Slovakia4
- Spain102
- Svalbard1
- Sweden25
- Switzerland41
- Turkey45
- Ukraine22
- United Kingdom100
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences