Reef
down to 23 m
Piran under the Church
A reef below Piran's church, described as one of the best-preserved soft coral reefs, often with schools of fish.
- Open Water
Slovenia (Piran)
Diving in Slovenia
8 documented dive sites, 5 of them for Open Water divers. Known for crustaceans, cuttlefish and octopus.
- Best months
- May–Oct
- Water
- 10–26 °C
- Levels
- Open Water, Advanced, Technical
- Nearest airport
- TRS
- One dive
- €42–75
When to go
Pick a month: the diving season, from published sources, and the typical weather.
Pick a month
- Best
- Good
- Possible
- Closed
- Not documented yet
Slovenia (Piran) in November
Possible- Sea
- 17 °C
- at the surface
- Air
- 14 °C
- 8 °C at night
- Rain
- 130 mm
- one of the wettest months
- Wind
- 12 km/h
- on average
The windiest month.
Exposure suit: 5 mm full suit · if you feel the cold: 7 mm full suit or 8/7 mm semi-dry. How we choose
Typical weather, not a forecast: averages for 2021–2025 (air, rain, wind) and 2023–2025 (sea), data from Open-Meteo (ERA5 / Copernicus, Météo-France). Covers an area of roughly 10 to 25 km around the destination.
Diving is year-round, best May–Oct (PADI). The Hydroplane (seaplane) wreck is a winter dive, as summer visibility there is poor.
Dive sites in Slovenia (Piran)
From the easiest to the most demanding. Levels with a dashed outline are estimates we are still verifying.
Scuba diving is banned in the central reserve at Strunjan.
Open Water friendly
usual dive down to 18 m5 sitesReef
down to 9 m
Fiesa Reef
- Open Water
- Octopus
For Advanced divers
usual dive down to 30 m2 sitesWreck
down to 24 m
DTM / Kec wreck (WWII transport)
- Advanced
- Scorpionfish
Technical and specialty dives
1 siteMarine life
When the big encounters happen, month by month.
Reported here, season not documented yet:
- Crustaceans
- Cuttlefish
- Octopus
- Scorpionfish
- Seahorses
- Squid
- Conger eel
- Moray eels
- Freshwater fish
What diving costs here
Here a dive costs between €42 and €75 and an Open Water course between €340 and €460, depending on the dive centres we checked.
- One dive (certified diver)packages counted per dive
- €42–752 centres
- Open Water course
- €340–4602 centres
- Gear rentalper day or per dive, by centre
- €451 centre
The cheapest and the most expensive of the dive centres we checked, from the prices on their own websites in October 2026. Prices change: confirm with the centre before booking.
Converted to euros at the ECB reference rate of 30 October 2026; for currencies the ECB does not publish, the official rate of the country's central bank.
Where is Slovenia (Piran)?
- Nearest airport
- TRS
Slovenia (Piran): frequently asked questions
- When is the best time to dive Slovenia (Piran)?
- The best months to dive Slovenia (Piran) are May–Oct. Diving is year-round, best May–Oct (PADI). The Hydroplane (seaplane) wreck is a winter dive, as summer visibility there is poor.
- Is Slovenia (Piran) good for beginner divers?
- Yes, partly: 5 of the 8 dive sites we document are suited to Open Water divers, including Piran under the Church, Fiesa Reef and Rt Madona (Cape Madona / Punta). The others need more experience or a higher certification.
- What is the water temperature in Slovenia (Piran)?
- The water is usually between 10 °C and 26 °C over the year.
- What marine life can you see in Slovenia (Piran)?
- Divers regularly see crustaceans, cuttlefish, octopus, scorpionfish, seahorses and squid.
- How do you dive Slovenia (Piran)?
- The nearest airport is TRS.
About this page
Seasons and marine life come from the sources below. Site levels and depths marked as estimated come from our original catalogue and are being checked one by one. Conditions change: always confirm with a local dive centre.
Your next dive is somewhere out there.
Find my next dive tripPhoto credits
- Sunlight and bubbles in deep blue water, Sarah Lee, Unsplash License, on Unsplash