Trieste
Italy
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Trieste, Italy

The boat-laden water channel in the heart of Trieste, located in Friuli Venezia Giulia, Italy, overlooking the busy Ponte Rosso city square
The boat-laden water channel in the heart of Trieste, located in Friuli Venezia Giulia, Italy, overlooking the busy Ponte Rosso city square
January, the same as December, in Trieste, Italy, is another chilly winter month, with temperature in the range of an average low of 3.8°C (38.8°F) and an average high of 7.6°C (45.7°F). January is the coldest month, with an average high-temperature of 7.6°C (45.7°F) and an average low-temperature of 3.8°C (38.8°F). Weather in January »

The last month of the winter, February, is also a frosty month in Trieste, Italy, with average temperature fluctuating between 9°C (48.2°F) and 4.3°C (39.7°F). In Trieste, the average high-temperature in February is essentially the same as in January - a still frosty 9°C (48.2°F). Weather in February »

The first month of the spring, March, is a cool month in Trieste, Italy, with average temperature varying between 6.6°C (43.9°F) and 12.2°C (54°F). In Trieste, the average high-temperature slightly increases, from a frosty 9°C (48.2°F) in February, to a cool 12.2°C (54°F). Weather in March »

April is a comfortable spring month in Trieste, Italy, with average temperature fluctuating between 16.5°C (61.7°F) and 10°C (50°F). In Trieste, the average high-temperature in April slightly increases, from a fresh 12.2°C (54°F) in March, to an enjoyable 16.5°C (61.7°F). Weather in April »

May, the last month of the spring, in Trieste, is a pleasant month, with average temperature fluctuating between 14.5°C (58.1°F) and 21.6°C (70.9°F). In May, the average high-temperature increases, from an enjoyable 16.5°C (61.7°F) in April, to a pleasant 21.6°C (70.9°F). Weather in May »

The first month of the summer, June, is a warm month in Trieste, Italy, with average temperature ranging between min 17.8°C (64°F) and max 25°C (77°F). In Trieste, the average high-temperature in June marginally rises, from a pleasant 21.6°C (70.9°F) in May, to a warm 25°C (77°F). Weather in June »

July, the same as June, is another warm summer month in Trieste, Italy, with temperature in the range of an average high of 27.9°C (82.2°F) and an average low of 20.3°C (68.5°F). July is the warmest month, with an average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 20.3°C (68.5°F). The average heat index is evaluated at 29.5°C (85.1°F). Weather in July »

The last month of the summer, August, is another warm month in Trieste, Italy, with average temperature varying between 20.4°C (68.7°F) and 27.7°C (81.9°F). In Trieste, the average high-temperature is almost the same as in July - a still warm 27.7°C (81.9°F). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Trieste, Italy, with temperature in the range of an average high of 23.3°C (73.9°F) and an average low of 16.8°C (62.2°F). In Trieste, the average high-temperature marginally drops, from 27.7°C (81.9°F) in August, to a still warm 23.3°C (73.9°F). Weather in September »

October, the same as September, is another enjoyable autumn month in Trieste, Italy, with temperature in the range of an average high of 17.8°C (64°F) and an average low of 12.7°C (54.9°F). In Trieste, Italy, the average high-temperature in October decreases, from a moderately hot 23.3°C (73.9°F) in September, to an enjoyable 17.8°C (64°F). Weather in October »

The last month of the autumn, November, is another cool month in Trieste, Italy, with average temperature varying between 8.1°C (46.6°F) and 12.3°C (54.1°F). In Trieste, the average high-temperature drops, from a comfortable 17.8°C (64°F) in October, to a fresh 12.3°C (54.1°F). Weather in November »

December, the first month of the winter, in Trieste, is still a chilly month, with average temperature ranging between min 4°C (39.2°F) and max 8.8°C (47.8°F). In Trieste, Italy, the average high-temperature marginally drops, from a cool 12.3°C (54.1°F) in November, to a frosty 8.8°C (47.8°F). Weather in December »

What is the coldest month in Trieste?

With an average high-temperature of 7.6°C (45.7°F) and an average low-temperature of 3.8°C (38.8°F), January is the coldest month.

How many days does it rain in Trieste?

In Trieste, during the entire year, the rain falls for 94.6 days and collects up to 1003mm (39.5") of precipitation.

What is the month with the lowest UV index in Trieste?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the driest month in Trieste?

February is the month with the least rainfall in Trieste, Italy. Rain falls for 6.2 days and accumulates 56.9mm (2.2") of precipitation.

What month is the sea coldest in Trieste?

The month with the coldest seawater is February, with an average sea temperature of 9.3°C (48.7°F).

What is the least humid month in Trieste?

March, July and August, with an average relative humidity of 62%, are the least humid months.

When are the longest days in Trieste?

June has the longest days of the year, with an average of 15.7h of daylight.

What are the months with the highest UV index in Trieste?

Months with the highest UV index in Trieste, Italy, are June and July, with an average maximum UV index of 8.

What is the warmest month in Trieste?

The warmest month is July, with an average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 20.3°C (68.5°F).

What months are the sea warmest in Trieste?

July and August, with an average sea temperature of 24.8°C (76.6°F), are months with the warmest seawater in Trieste, Italy.

What month has the most sunshine in Trieste?

July has the most sunshine of the year in Trieste, Italy, with an average of 9.3h of sunshine.

What is the most humid month in Trieste?

October and December, with an average relative humidity of 68%, are most humid months in Trieste, Italy.

What is the rainiest month in Trieste?

The month with the most rainfall is October when the rain falls for 7.9 days and typically aggregates up to 111.4mm (4.4") of precipitation.

What is the month with the shortest days in Trieste?

With an average of 8.8h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Trieste?

The month with the least sunshine is December, with an average of 2.7h of sunshine.
Average humidity - Trieste, Italy
Average rainfall - Trieste, Italy

The wettest month (with the highest rainfall) is October (111.4mm).
The driest month (with the lowest rainfall) is February (56.9mm).

Average rainfall days - Trieste, Italy

The month with the highest number of rainy days is June (9.3 days).
The month with the lowest number of rainy days is February (6.2 days).

Average sea temperature - Trieste, Italy

Best months for swimming (with the highest average sea temperature) are July and August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (9.3°C).

Average daylight / Average sunshine - Trieste, Italy