Piran, SloveniaQuick decision
When to visit Piran?
🌞 Best time overall
July
🌡️ Optimal temperature
70°F–82°F in July
🌧 Least rain
27% rainy days in July
🌧 Wettest month
December (34%)
📅 Best score
9.0/10
By trip type
Best time by type of trip
Venetian old townMay–Sep — Tartini Square, ramparts, medieval lanes, bell tower.
Beaches & Sečovlje salt pansJun–Sep — historic salt pans, swimming, Portorož 10 min away.
Seafood & wineYear-round — harbor restaurants, local Refošk wine, olive oil.
BudgetOct–Apr — affordable alternative to the nearby Croatian coast.
Monthly climate data
Piran weather month by month
| Month | Min °F | Max °F | Rainy days (%) | Precip. in/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 37°F | 48°F | 30% | 0.1in | 7.7h | 4.6/10 |
| 🌫️ February | 39°F | 52°F | 31% | 0.1in | 9.0h | 5.3/10 |
| ⛅ March | 43°F | 55°F | 30% | 0.1in | 10.8h | 6.8/10 |
| ⛅ April | 48°F | 61°F | 31% | 0.1in | 12.1h | 7.1/10 |
| 🌦️ May | 57°F | 68°F | 46% | 0.2in | 13.0h | 7.3/10 |
| 🌤️ June | 66°F | 79°F | 25% | 0.1in | 14.0h | 8.8/10 |
| 🌤️ July | 70°F | 82°F | 27% | 0.1in | 14.0h | 9.0/10 |
| ☀️ August | 72°F | 82°F | 22% | 0.1in | 13.0h | 9.0/10 |
| 🌤️ September | 64°F | 75°F | 35% | 0.2in | 11.7h | 7.8/10 |
| 🌤️ October | 55°F | 66°F | 31% | 0.2in | 9.9h | 7.2/10 |
| 🌦️ November | 48°F | 59°F | 44% | 0.2in | 8.0h | 5.1/10 |
| 🌫️ December | 41°F | 52°F | 34% | 0.1in | 7.0h | 4.5/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 16°F, 36% rainy days, 12.0h sunshine/day. Score: 7.1/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 27°F, 25% rainy days, 13.7h sunshine/day. Score: 8.9/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 19°F, 37% rainy days, 9.9h sunshine/day. Score: 6.7/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 10°F, 32% rainy days, 7.9h sunshine/day. Score: 4.8/10.
Accommodation
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Tip : March, April offer a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Piran
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 27% rainy days and 28°F. The months of July & August offer comparable conditions.
December is the wettest month with 34% rainy days.
Yes, July is the best month with an average of 28°F.
In winter, the average score is 4.8/10. Difficult period — prefer the peak season.
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