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Trieste, Italy · Temperate oceanic

Trieste in June: go or not?

Excellent time. Trieste in June scores 8.5/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 45.65°N · 13.78°E
⚡ This month's verdict
Go for it
Trieste · June
8.5
18–27°
Temperature
25%
Rain
8h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Daniele Bucciarelli via Unsplash
The month in detail

What to expect in June

Summer in Trieste brings pleasant temperatures (27°C) and long sunny days (8.3h of sunshine). Rain risk remains low (25% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if July (8.9/10) remains theoretically better.

June ranks 3 out of 12 months in Trieste. Compared to May: +6°C daytime, +0.8h of sun per day.

This month's conditions

What it's like in June

UV index
7 · high
sunscreen and hat advised
Feels like
comfortable
16°
Sea
24°C
pleasant for swimming
Daylight
15.5h of daylight
Air quality
good
AQI 35
Compare

Is June the right month?

The best month in Trieste is July (8.9/10), 0.4 pt higher than June.

See July →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Trieste

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · Italy

🗣️LanguageItalian
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJuly · 29°C
❄️Coolest monthJanuary · 9°C
🌧️Rainiest month ⓘNovember · 35%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Location

Where is Trieste ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Italy
Temperate oceanic climate with a 8.9 → 4.0 gap between best and worst month. 10 years of ERA5 data to choose by project.
45.65°N · 13.78°E
Questions

Frequently asked questions

What is the best time to visit Trieste?
July is the best month with 29.0°C highs, 20.0°C lows, 9.6h of sunshine and 19.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Trieste get in July?
Trieste averages 9.6 sunshine hours per day in July. It is the sunniest month with a climate score of 8.5/10.
What is the rainiest month in Trieste?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Trieste in July?
In July, overnight lows reach 20.0°C, while afternoon highs average 29.0°C.
Is Trieste good in winter?
In winter (December-February), Trieste scores 4.0/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 8.5/10.
When should you avoid Trieste?
January is the most difficult month to visit Trieste, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Trieste in June?
In June, the sea averages 24°C in Trieste: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Trieste in June?
The average UV index reaches 7 in June in Trieste (high), with about 15.5h of daylight. Sunscreen and hat advised.