Trieste weather in July
July in Trieste: warm, rainy — an excellent time to visit.
#5 of 12 months in Trieste · #444 of 897 destinations to visit in July · comfort 81/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
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Trieste climate normals — July
| Daytime high | 29°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Rainfall | 96 mm / 3.8 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 13 h/day | |
| Daylight | 15.3 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Trieste in July — FAQ
- Is July a good time to visit Trieste?
- July in Trieste: warm, rainy — an excellent time to visit. It ranks #5 of 12 months for Trieste on SeasonMap's comfort score (81/100).
- What is the weather like in Trieste in July?
- In July, Trieste averages a daily high of 28.6°C and a low of 19.8°C, with about 95.5 mm of rain over roughly 11.8 rainy days.
- What is the air quality in Trieste in July?
- Trieste has a mean US Air Quality Index of about 55 in July.