Trieste weather in August
August in Trieste: warm, rainy — a great time to visit.
#6 of 12 months in Trieste · #514 of 897 destinations to visit in August · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Trieste in August
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Trieste climate normals — August
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Rainfall | 123 mm / 4.8 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 11.7 h/day | |
| Daylight | 14.1 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 56 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Trieste in August — FAQ
- Is August a good time to visit Trieste?
- August in Trieste: warm, rainy — a great time to visit. It ranks #6 of 12 months for Trieste on SeasonMap's comfort score (79/100).
- What is the weather like in Trieste in August?
- In August, Trieste averages a daily high of 28.2°C and a low of 19.9°C, with about 122.5 mm of rain over roughly 10.4 rainy days.
- What is the air quality in Trieste in August?
- Trieste has a mean US Air Quality Index of about 56 in August.