Piran · SpringMonth summary
Piran weather in May
✅ Good
🌡️ Temperature min / max
14°C – 20°C
🌧 Rainy days
46% of days
☀️ Sunshine
13.0h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.3/10
📅 📅 Best month
July (9.0/10)
Quick decision
Should you visit Piran in May?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: May is a good time to visit Piran. July remains slightly better (+1.7 pts).
By trip type
Piran in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in May
🎯 Vineyards in bloom — wine route pleasant before summer heat Spring marks the start of the good season in Piran. Temperatures rise (20°C) and tourists have not yet arrived en masse. With 46% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. July (9.0/10) is significantly better if possible.
Browse by month
All months for Piran
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 3°C | 9°C | 30% | 2.3 | 7.7h | 4.6/10 |
| 🌫️ February | 4°C | 11°C | 31% | 3.1 | 9.0h | 5.3/10 |
| ⛅ March | 6°C | 13°C | 30% | 2.4 | 10.8h | 6.8/10 |
| ⛅ April | 9°C | 16°C | 31% | 2.6 | 12.1h | 7.1/10 |
| 🌦️ May | 14°C | 20°C | 46% | 4.0 | 13.0h | 7.3/10 |
| 🌤️ June | 19°C | 26°C | 25% | 2.3 | 14.0h | 8.8/10 |
| 🌤️ July | 21°C | 28°C | 27% | 2.4 | 14.0h | 9.0/10 |
| ☀️ August | 22°C | 28°C | 22% | 2.7 | 13.0h | 9.0/10 |
| 🌤️ September | 18°C | 24°C | 35% | 5.4 | 11.7h | 7.8/10 |
| 🌤️ October | 13°C | 19°C | 31% | 4.1 | 9.9h | 7.2/10 |
| 🌦️ November | 9°C | 15°C | 44% | 4.9 | 8.0h | 5.1/10 |
| 🌫️ December | 5°C | 11°C | 34% | 3.5 | 7.0h | 4.5/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In May, Piran averages 20°C, 46% rainy days and 13.0h of sunshine per day. Overall weather score: 7.3/10.
See methodology →
Comparison
May vs July (best month)
The best month is July (score 9.0/10). Difference:
- 🌡️ Max temperature : +8°C
- 🌧 Rainy days : -19%
- ☀️ Sunshine : +1.0h/day
FAQ
FAQ — Piran in May
Is May a good time to visit Piran?
May is an acceptable time for Piran (score 7.3/10). Conditions are decent but not optimal — consider July (9.0/10) if possible.
What to do in Piran in May?
With 20°C max and 13.0h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
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