Trieste · SpringMonth summary
Trieste weather in May
✅ Good
🌡️ Temperature min / max
13°C – 21°C
🌧 Rainy days
50% of days
☀️ Sunshine
12.7h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.3/10
📅 📅 Best month
June (8.8/10)
Quick decision
Should you visit Trieste in May?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: Favourable conditions in May (7.3/10). June scores higher but the gap is small.
By trip type
Trieste in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in May
🎯 Good period — 21°C with good sunshine. Reasonable crowds Spring marks the start of the good season in Trieste. Temperatures rise (21°C) and tourists have not yet arrived en masse. With 50% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. June (8.8/10) is significantly better if possible.
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All months for Trieste
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 2°C | 9°C | 34% | 3.4 | 7.2h | 4.3/10 |
| 🌦️ February | 4°C | 11°C | 36% | 3.9 | 8.6h | 4.8/10 |
| ⛅ March | 6°C | 14°C | 32% | 3.4 | 10.7h | 6.8/10 |
| ⛅ April | 9°C | 17°C | 32% | 3.2 | 12.0h | 7.1/10 |
| 🌦️ May | 13°C | 21°C | 50% | 5.2 | 12.7h | 7.3/10 |
| 🌤️ June | 18°C | 27°C | 30% | 3.0 | 14.0h | 8.8/10 |
| 🌤️ July | 20°C | 29°C | 29% | 3.4 | 14.0h | 8.6/10 |
| 🌤️ August | 21°C | 29°C | 25% | 3.0 | 13.0h | 8.6/10 |
| 🌤️ September | 17°C | 24°C | 37% | 6.3 | 11.7h | 7.7/10 |
| 🌤️ October | 13°C | 19°C | 37% | 5.7 | 9.7h | 7.1/10 |
| 🌦️ November | 8°C | 14°C | 45% | 6.3 | 7.2h | 4.5/10 |
| 🌦️ December | 4°C | 10°C | 37% | 4.0 | 6.5h | 4.2/10 |
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, Trieste averages 21°C, 50% rainy days and 12.7h of sunshine per day. Overall weather score: 7.3/10.
See methodology →
Comparison
May vs June (best month)
The best month is June (score 8.8/10). Difference:
- 🌡️ Max temperature : +6°C
- 🌧 Rainy days : -20%
- ☀️ Sunshine : +1.3h/day
FAQ
FAQ — Trieste in May
Is May a good time to visit Trieste?
May is an acceptable time for Trieste (score 7.3/10). Conditions are decent but not optimal — consider June (8.8/10) if possible.
Does it rain a lot in Trieste in May?
Yes, 50% of days see rain in May. Plan some indoor activities as backup.
Accommodation
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Activities & tours
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