Trieste weather in June
June in Trieste: warm, a little rain — one of the best months to visit.
#2 of 12 months in Trieste · #350 of 897 destinations to visit in June · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Trieste in June
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Trieste climate normals — June
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 80 mm / 3.1 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 16°C / 61°F | |
| Sunshine | 13.1 h/day | |
| Daylight | 15.6 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 60 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Trieste in June — FAQ
- Is June a good time to visit Trieste?
- June in Trieste: warm, a little rain — one of the best months to visit. It ranks #2 of 12 months for Trieste on SeasonMap's comfort score (87/100).
- What is the weather like in Trieste in June?
- In June, Trieste averages a daily high of 26.3°C and a low of 17.8°C, with about 79.7 mm of rain over roughly 10.6 rainy days.
- What is the air quality in Trieste in June?
- Trieste has a mean US Air Quality Index of about 60 in June.