Piran weather in July
Slovenia

July in Piran: warm, a little rain — one of the best months to visit.
#1 of 12 months in Piran · #173 of 1383 destinations to visit in July · comfort 92/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Piran in July
Notes from nearby Rovinj (50 km away)
Piran doesn't have its own notes for July yet — these are about Rovinj, close enough to share the season.
Rovinj's forum calls late July hot and genuinely busy, though regulars say it's more comfortable after dark than some other Adriatic hotspots. The general Croatian-coast consensus on the forums: July and August can turn stifling by day, so pack for heat and don't expect much of a breeze.
Add your own note from Piran's card on the map.
Piran climate normals — July
| Daytime high | 28°C / 82°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Sea temperature | 26°C / 79°F | 😎 warm sea |
| Rainfall | 67 mm / 2.6 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 13.2 h/day | |
| Daylight | 15.3 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Piran in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdstravelers describe it as peak season, Day-tripper hours, school holidays in 7 of the markets that fill it
Sourced from traveler notes: “…ng back to sun quickly after a storm passes. July counts as peak season alongside August, so warm, mostly sunny days come paired wi…” — Tripadvisor community
Peak crowdsBusyShoulder seasonQuiet
Best months for Piran's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherPiran's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Piran in July
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Secovlje salt harvest
23 Apr – 15 Sep · usuallyThe salt pans south of town are still worked by hand from St George's Day through the summer, raked into white ridges on the same beds used for six hundred years. Out of season it is a birdwatching marsh instead. Source ↗
- Season
Day-tripper hours
15 May – 20 Sep · usuallyDay-tripper crushCrowdedCars stop at the Fornace car park and everyone arrives on the shuttle, so the old town fills between about ten and five and empties completely after. Stay the night and Tartini Square is yours. Source ↗
- Season
Swimming season
15 Jun – 25 Sep · usuallySea warm enoughThe northern Adriatic is shallow here, so it warms early and cools early; you swim off concrete platforms rather than sand. September water is still fine and the town is half as busy. Source ↗
Nearby, and something's on
Within 300 km of Piran — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Piran?
Piran in July — FAQ
- Is July a good time to visit Piran?
- July in Piran: warm, a little rain — one of the best months to visit. It ranks #1 of 12 months for Piran on SeasonMap's comfort score (92/100).
- What is the weather like in Piran in July?
- In July, Piran averages a daily high of 27.6°C and a low of 21.9°C, with about 66.5 mm of rain over roughly 7.8 rainy days.
- What is the air quality in Piran in July?
- Piran has a mean US Air Quality Index of about 55 in July.
Other months in Piran
Compare Piran in July
Warmer or cooler than Piran in July
Similar destinations in Central Europe — July
Within 300 km: Ljubljana's Open Kitchen food market around 15 Mar – 31 Oct, and Venice's Biennale on 9 May – 22 Nov.