Piran weather in April
Slovenia

April in Piran: cool, rainy, with clean air — a great time to visit.
#6 of 12 months in Piran · #993 of 1383 destinations to visit in April · comfort 72/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Piran in April
No notes yet. Open Piran on the map to add the first one.
Piran climate normals — April
| Daytime high | 15°C / 59°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Sea temperature | 13°C / 56°F | 🥶 cold sea |
| Rainfall | 91 mm / 3.6 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 13.5 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 0.6 cm / 0.2 in | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Piran in April
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.
Shoulder seasonschool holidays in 6 of the markets that fill it, an ordinary month(estimated)
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).
Fair weatherPiran's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Piran in April
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 ↗
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 April — FAQ
- Is April a good time to visit Piran?
- April in Piran: cool, rainy, with clean air — a great time to visit. It ranks #6 of 12 months for Piran on SeasonMap's comfort score (72/100).
- What is the weather like in Piran in April?
- In April, Piran averages a daily high of 15°C and a low of 9.3°C, with about 91 mm of rain over roughly 9.8 rainy days.
- What is the air quality in Piran in April?
- Piran has a mean US Air Quality Index of about 46 in April.
Other months in Piran
Compare Piran in April
Warmer or cooler than Piran in April
Similar destinations in Central Europe — April
Within 300 km: Ljubljana's Open Kitchen food market around 15 Mar – 31 Oct, and Bled's Vintgar gorge open around 20 Apr – 5 Nov.