Hvar has the longest measured outdoor season in Croatia: 20.7 days reaching 25 °C in September and sea still at 20.6 °C in October. It also has the most seasonal timetable, with nine of the thirteen services reaching Hvar town running as commercial lines.
Two datasets that point in opposite directions
Hvar is the one Croatian island where the climate record and the ferry register disagree about when the season ends. The DHMZ normals say Hvar stays usable weeks longer than the mainland stations. The 2026 coastal register says most of the boats that reach it are commercial services with no obligation to sail. Both are true, and the gap between them is where a shoulder-season trip here succeeds or fails.
| Month | Sea °C | Days ≥25 °C | Sunshine hrs/day | Rain days |
|---|---|---|---|---|
| May | 17.2 | 6.5 | 9.3 | 5.2 |
| June | 20.8 | 21.5 | 10.8 | 4.4 |
| July | 22.9 | 30.2 | 11.8 | 2.3 |
| August | 23.5 | 29.9 | 10.8 | 3.4 |
| September | 22.4 | 20.7 | 8.6 | 5.2 |
| October | 20.6 | 3.6 | 6.4 | 7.2 |
September is the row to read. Hvar records 20.7 days reaching 25 °C against 15.4 at Split, 16.7 at Dubrovnik and 12.0 at Zadar, and its October sea at 20.6 °C is the warmest October reading of the three stations that publish one. July’s 11.8 sunshine hours a day is the highest figure in the normals used across this site. Whatever the island is for, the data says it is available later here than anywhere else on the coast.
The scrubber below puts Hvar against the Split mainland station month by month. The divergence opens in September and widens through October.
September · Hvar town
September: 20.7 days reach 25 °C, but commercial lines begin standing down.
What Hvar reaches, beyond Split
Most writing about Hvar treats it as a destination at the end of a line from Split. The register shows something more useful: the lines calling at Hvar carry on, which makes the island a junction rather than a terminus.
| Onward destination | Services from Hvar | State lines | Commercial | With a car? |
|---|---|---|---|---|
| Split | 13 | 4 | 9 | Yes |
| Vis | 2 | 1 | 1 | Foot passengers only |
| Brač | 5 | 1 | 4 | Foot passengers only |
| Korčula | 8 | 3 | 5 | Yes |
| Lastovo | 2 | 2 | 0 | Yes |
| Mljet | 1 | 0 | 1 | Foot passengers only |
| Dubrovnik | 3 | 0 | 3 | Foot passengers only |
Vis, Brač, Korčula, Lastovo, Mljet and Dubrovnik all appear on services that call at Hvar. Almost all of those onward legs are commercial catamarans, which is the catch: the junction function is a July and August function. Outside the season Hvar reverts to a spur off Split, and the Split corridor becomes the whole of it.
1
of the two vehicle services to Hvar island docks at Hvar town
Sixteen services connect Split with Hvar island and thirteen reach Hvar town, but only two carry vehicles and only one of those — state line 604 — docks at the town. Line 635 lands at Stari Grad, a separate town on the same island. Since twelve of the thirteen services calling at Hvar town are foot-passenger vessels, arriving with a car closes the fast, frequent, direct part of the corridor rather than opening anything.
Booking the shoulder season on the summer timetable
The climate record makes late September and early October look like the best weeks of the Hvar year: 20.7 warm days in September, sea at 22.4 °C then 20.6 °C, and rain days still in single figures. The ferry register does not agree. Nine of the thirteen services reaching Hvar town are commercial lines carrying no public service obligation.
That leaves four state services when the commercial fleet stands down, and the fare season ends on 27 September, which is a good indication of when operators expect demand to stop. A late-season Hvar trip is a genuinely good idea booked on a state line, and a risk booked on a commercial one. Check which kind of line the ticket is before assuming the crossing exists in October.
The practical consequence for a visit is that Hvar is two different islands depending on the month. In July and August it is a junction with services in four directions, most of them fast, and the fare season is in force: Split to Hvar costs €10.00 on line 9604 against €6.40 outside it. In February it is four state services from one mainland port, and the onward chain to Korčula and Dubrovnik simply is not there.
What the island register adds
Hvar's highest point, Sv. Nikola at 626 m, is the third highest on any Croatian island, after Vidova gora on Brač at 780 m and Gorica on Cres at 648 m. That is a register fact rather than a walking recommendation, but it sets the scale: this is a long, high, narrow island, and the three ports on it — Hvar town, Stari Grad and Jelsa — are separated by real distance rather than by a walk along the front.
Nationally, 29.03 % of Croatian island residents are 65 or over against 22.45 % across the country, which is the reason the state timetable exists at all and the reason it is sized the way it is. The winter boats to Hvar are not a tourist service running quietly; they are a resident service that visitors are permitted to use. The island page takes the register detail further.
What do you need to work out next?
The season is long and the timetable is not. Next questions.
Where to stay
Hvar town, Stari Grad or Jelsa?
Only one of the two vehicle services docks at Hvar town.
Getting around
Can you carry on south from Hvar?
The onward legs to Korčula and Dubrovnik are commercial lines.
When to go
Is October still swimmable here?
Hvar's sea reads 20.6 °C in October, the warmest of three stations.
Planning
Are we a group wanting our own boat?
Thirteen of the 16 Split–Hvar services reach Hvar town itself.
Ferry data: Agencija za obalni linijski pomorski promet (ZOLPP), 2026 state coastal line register and per-line timetables. Climate data: DHMZ (meteo.hr), climate normals 1971–2000. Island counts: Registar otoka, Republic of Croatia.