Best Time to Visit Trieste
Italy · 30-year monthly climate averages
☀️ When to go
Based on 30 years of climate data, the most comfortable months to visit Trieste are May, June and September, when daytime temperatures are agreeable and rainfall is relatively low.
Climate profile
Trieste sees its warmest weather in July, when daytime highs average around 29°C, and its coolest in January (around 9°C).
Annual precipitation totals roughly 951mm — November is typically the wettest month (~118mm) and January the driest (~52mm).
A distinctly wetter period runs from October to November — worth planning around if you prefer dry days.
July is the sunniest month, with about 299 hours of sunshine.
Year at a glance
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
🔥 Recent heat vs normal
Daily forecast highs vs the 30-year normal — last 37 days
Each bar is one day: orange above normal, blue below.
Month by month
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 9° / 4°C | 52mm | 🤔 Fair |
| February | 10° / 4°C | 65mm | 🤔 Fair |
| March | 14° / 7°C | 57mm | 👍 Good |
| April | 18° / 11°C | 69mm | 👍 Good |
| May | 22° / 15°C | 81mm | 🌟 Great |
| June | 27° / 19°C | 75mm | 🌟 Great |
| July | 29° / 21°C | 56mm | 👍 Good |
| August | 29° / 21°C | 75mm | 👍 Good |
| September | 24° / 17°C | 108mm | 🌟 Great |
| October | 19° / 13°C | 113mm | 👍 Good |
| November | 14° / 9°C | 118mm | 🤔 Fair |
| December | 10° / 5°C | 83mm | 🤔 Fair |
FAQ
- What is the best time to visit Trieste?
- Based on 30 years of climate data, the most comfortable months to visit Trieste are May, June and September, when daytime temperatures are agreeable and rainfall is relatively low.
- What is the hottest month in Trieste?
- July is typically the hottest month in Trieste, with average daytime highs around 29°C.
- What is the rainiest month in Trieste?
- November is usually the wettest month, with around 118mm of precipitation.