Trieste weather and climate in 2024
Day
21 °C
Night
13 °C
Sea
18 °C
Precipitation
101 mm
in month
Rainy days
11 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
67 %
Day
21 °C
Night
13 °C
Sea
18 °C
Precipitation
101 mm
in month
Rainy days
11 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
67 %
Overview: Trieste
Weather charts for Trieste
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Weather overview for Trieste
Weather overview
Trieste (Italy) in general has a mild climate. The day temperatures range from 7 °C (45 °F) in January to 28 °C (82 °F) in July. Temperatures during the night go from 2 °C (36 °F) in February to 19 °C (67 °F) in August. The driest month is February with just 8 days of rain, on the contrary, the month when it rains the most is May with 11 days of rain.
January weather
The descent of the number of rainy days can be observed in Trieste, and the rainfall amount continues to descent as well, the value of this measure is 73 mm (2.88 in). The day temperature is on its minimum, the value of this measure is 7 °C (45 °F), while the night temperature continues to descent, the value of this measure is 2 °C (36 °F). The number of sun hours (without clouds) rise's start could be observed in this month.
February weather
The minimum of the number of rainy days can be noticed, with its value being 8 days in Trieste, and the minimum of the rainfall amount can be noticed too. The day temperature rise's start could be observed, the value of this measure is 8 °C (47 °F), while the night temperature reaches its minimum, with its value of 2 °C (36 °F). The rise of the number of sun hours (without clouds) can be observed, with its value of 4 hours. The maximum of the wind speed is observable, with its value being 3.
March weather
The number of rainy days rise's start could be observed, with its value of 8 days in Trieste, and the rainfall amount starts to rise too, the value of this measure is 79 mm (3.11 in). The beginning of the rise of the night temperature could be noticed, the value of this measure is 5 °C (41 °F), while the day temperature continues to rise, its value is 12 °C (53 °F). The number of sun hours (without clouds) continues to rise, with its value being 5 hours.
April weather
The number of rainy days continues to rise, its value is 11 days in Trieste, and the rainfall amount rises similarly to the previous month as well, the value of this measure is 90 mm (3.56 in). The day temperature continues to rise, its value is 16 °C (60 °F), and the night temperature continues to rise as well, its value is 8 °C (46 °F). The number of sun hours (without clouds) rises similarly to the previous month.
May weather
The day temperature rises similarly to the previous month, with its value being 21 °C (70 °F) in Trieste, and the rise of the night temperature can be observed too, with its value of 13 °C (56 °F). The tourist season is about to start. The number of rainy days reaches its maximum, while the rise of the rainfall amount can be observed. The number of sun hours (without clouds) continues to rise, its value is 7 hours.
June weather
The tourist season is taking place in Trieste. The day temperature continues to rise, with its value being 25 °C (76 °F), and the rise of the night temperature can be observed too, with its value being 16 °C (62 °F). The minimum of the wind speed is observable, the value of this measure is 2. The number of sun hours (without clouds) continues to rise, the value of this measure is 8 hours. The day length reaches its maximum, its value is 15 hours.
July weather
The maximum of the day temperature can be noticed, the value of this measure is 28 °C (82 °F) in Trieste, while the rise of the night temperature can be observed, with its value being 19 °C (66 °F). The tourist season is taking place. The rainfall amount starts to descent, with its value of 71 mm (2.81 in), and the number of rainy days starts to descent as well in July. The number of sun hours (without clouds) is on its maximum, with its value of 9 hours.
August weather
The tourist season continues in Trieste. The night temperature reaches its maximum, with its value of 19 °C (67 °F). The rainfall amount starts to rise in this month. The number of sun hours (without clouds) descent's start could be observed, with its value of 9 hours.
September weather
The day temperature starts to descent, with its value being 23 °C (73 °F) in Trieste, and the night temperature descent's start could be observed as well, with its value of 15 °C (59 °F). There is pending tourist season in September. The number of rainy days rise's start could be observed, its value is 10 days, while the rise of the rainfall amount can be observed, with its value being 124 mm (4.89 in). The number of sun hours (without clouds) descents similarly to the previous month, the value of this measure is 7 hours.
October weather
There is pending tourist season in October in Trieste. The descent of the day temperature can be observed, its value is 18 °C (64 °F), and the descent of the night temperature can be observed too, its value is 11 °C (52 °F). The maximum of the rainfall amount is observable, with its value being 134 mm (5.29 in). The descent of the number of sun hours (without clouds) can be observed, the value of this measure is 5 hours. The maximum of the humidity can be noticed in October.
November weather
The day temperature continues to descent, with its value of 12 °C (54 °F) in Trieste, and the night temperature continues to descent as well, its value is 7 °C (44 °F). The descent of the number of sun hours (without clouds) can be observed, its value is 3 hours.
December weather
The beginning of the descent of the number of rainy days could be noticed, its value is 9 days in Trieste, and the beginning of the descent of the rainfall amount could be noticed too, with its value of 114 mm (4.49 in). The descent of the night temperature can be observed, with its value being 3 °C (38 °F), and the day temperature continues to descent too. The number of sun hours (without clouds) is on its minimum in this month. The minimum of the day length is observable in this month.
FAQs
Is March part of the dry season in Trieste?
No, March is not a dry month in Trieste, expect rain approximately 8 days in a month.
How many hours of sun to expect in April in Trieste?
In April in Trieste, you can expect around 6 hours of sunshine. This value is 1 hour higher than last month. This means that the value difference is 24 %.
What is the night temperature in May in Trieste?
The average night temperature in Trieste in May is 13 °C (56 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold. This value is 5 °C (41 °F) higher than last month.
Is it hot in June in Trieste?
In Trieste in June, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is there a wet season in Trieste in July?
No, there is no wet season in July in Trieste - you can expect 9 days of rain during the month.
What temperature can I expect during the day in August in Trieste?
The average daily temperature in Trieste in August is 27 °C (81 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
Are there good conditions to visit in Trieste in September?
There are good conditions for visiting in September in Trieste. You can expect just 10 days of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 23 °C (73 °F), but others will feel perfectly fine. A sea temperature of 22 °C (71 °F) can seem colder to some, but others will call it refreshing. The temperature of 15 °C (59 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What is the sea temperature in Trieste in October?
In October in Trieste expect the sea to be warm at 19 °C (66 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions. This is a decrease of 3 °C (37 °F) compared to the last month.
How many days of precipitation on average can I expect in November in Trieste?
In November in Trieste, we can expect 11 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.5 days of the week, or in general - 35 % days.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.