Weather in Trieste in June 2025
Average weather
Average temperature in Trieste in June
Going from a maximum of +32°C during the day to a minimum of +17°C during the night, the temperature in June averages around +27°C.
The average maximum temperature goes up 13% by the end of the month, compared with the beginning of the month, from +26°C to +28°C.
Is Trieste warm or cold in June?
Trieste is typically warm in June.
Maximum temperatures go up compared to the previous month from +22°C to +26°C. The minimum temperature also goes up from +14°C to +18°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
June is one of the warmest months in Trieste, here is the comparison with other months:
Water temperature in Trieste in June
Water in Trieste in June is Comfortable. It varies from +19°C to +26°C, with an average of +23°C. This is almost similar to the air temperature, which averages +26°C.
In June, water temperatures are average relative to the rest of the year:
Can you swim in Trieste in June?
Climate in Trieste in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +22°C | +26°C | +29°C | ||||
| Min. temperature | ||||||
| +6°C | +8°C | +10°C | ||||
| Max. temperature | ||||||
| +32°C | +36°C | +39°C | ||||
| Rainfall | ||||||
| 114 mm | 98 mm | 72 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Avg. water temperature | ||||||
| +18°C | +23°C | +25°C | ||||
| Humidity | ||||||
| 67% | 67% | 64% | ||||
| Air pressure | ||||||
| 1013 HPa | 1013 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 7 | 8 | 12 | ||||
| Cloudy days | ||||||
| 6 | 6 | 5 | ||||
| Rainy days | ||||||
| 15 | 11 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June weather is still as good as in May. It’s getting warmer as June arrives. The average maximum temperature goes up from +22°C to +26°C during the day. As June arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 114 mm to 98 mm. Humidity levels don’t change as the month goes on, averaging around 67%. The average wind speed doesn’t change much during June, staying around 1 m/s. The good news is there are likely to be more sunny days in June, from 7 to 8.
July brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Trieste is gradually decreasing during June, going from 2 m/s to 1 m/s over the course of the month.
Rain
How was the weather last June in Trieste?
Climate Change over Years
The climate in Trieste in June has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+17°C) and the highest in 2022 (+20°C). The driest year was 2003 with only 712 mm of rainfall, and the wettest year was 2019 with 2509 mm.
FAQ
Is June a good time to visit Trieste?
Can you sunbathe in Trieste in June?
Can you swim in Trieste in June?
Is Trieste rainy in June?
Is it sunny in Trieste in June?
Other cities in Italy
Monthly weather in Trieste
Source of the data
For this page, we’ve looked at the typical weather in Trieste, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.