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Trieste in August: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Trieste in August will be like? Take a look at our weather guide for Trieste, based on historical data.
Check flight prices to Trieste on Avionero:
August

Weather in Trieste in August 2024

Good Weather
Warm
☀️
Sunny
Are you considering a trip to Trieste in August? Well, the weather is usually on your side with an average maximum temperature of +29°C and about 17 sunny days. Just keep in mind that there may be some rain, with an average of 6 rainy days and 97 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • August is usually the hottest month of the year in Trieste;

Average weather

☀️
+29°C
Avg. max. temperature
+8°C
Min.
+37°C
Max.
97 mm
Total precipitation
63%
Avg. humidity
1 m/s
Avg. wind
17 ☀️
Sunny Days
8 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Trieste has good weather in August.

Average temperature in Trieste in August

Here are the expected maximum, average and minimum temperatures in Trieste for August based on the historical data.
Last Year
Historical Data

Going from a maximum of +37°C during the day to a minimum of +17°C during the night, the temperature in August averages around +31°C.

The average maximum temperature goes down 25% by the end of the month, compared with the beginning of the month, from +33°C to +28°C.

Is Trieste warm or cold in August?

Trieste is typically warm in August.

Maximum temperatures go down compared to the previous month from +29°C to +29°C. The minimum temperature also goes down from +20°C to +20°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

August is the hottest month in Trieste, here is the comparison with other months:

Climate in Trieste in August

Trieste weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+29°C+29°C+24°C
Min. temperature
+10°C+8°C+6°C
Max. temperature
+39°C+37°C+32°C
Rainfall
71 mm97 mm153 mm
Wind
1 m/s1 m/s1 m/s
Humidity
63%63%66%
Air pressure
1013 HPa1013 HPa1015 HPa
Sunny days
161713
Cloudy days
989
Rainy days
668
Snowy days
000

August weather is still as good as in July. The temperature levels stay the same in the area of +29°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 71 mm to 97 mm. Humidity levels don’t change as the month goes on, averaging around 63%. The average wind speed doesn’t change much during August, staying around 1 m/s. The good news is there are likely to be more sunny days in August, from 16 to 17.

September brings much the same weather, it remains good.

Wind

Wind speed in Trieste in August based on historical data.
Last Year
Historical Data

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 increasing during August, going from 1 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Trieste based on historical data.
Last Year
Historical Data
Typically, there is a 32% chance of rain on an average day in August, with total rainfall of approximately 26 mm. The maximum amount of rainfall per day is around 8 mm, which is considered light rain. August is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how August is compared with other months in the amount of precipitation, total mm:
Trieste wettest month is November, where a typical day has a 33% chance of precipitation and 162 mm of rainfall per day. July, on the other hand, is the driest month with a mere 19% chance of precipitation and 71 mm of rainfall per day.

How was the weather last August in Trieste?

This is the weather in Trieste in August 2023:
1 August
☀️
+33°C
2 August
☀️
+32°C
3 August
☀️
+34°C
4 August
☀️
+35°C
5 August
☀️
+35°C
6 August
☀️
+37°C
7 August
☁️
+32°C
8 August
☀️
+33°C
9 August
☀️
+33°C
10 August
☀️
+32°C
11 August
☀️
+32°C
12 August
☁️
+29°C
13 August
☁️
+26°C
14 August
☀️
+30°C
15 August
☁️
+31°C
16 August
☀️
+27°C
17 August
☀️
+29°C
18 August
☁️
+31°C
19 August
☁️
+28°C
20 August
☁️
+29°C
21 August
☁️
+30°C
22 August
☁️
+29°C
23 August
☁️
+28°C
24 August
☀️
+31°C
25 August
☀️
+33°C
26 August
☀️
+32°C
27 August
☁️
+29°C
28 August
☁️
+28°C
29 August
☁️
+30°C
30 August
☀️
+30°C
31 August
☁️
+28°C
In August 2023 Trieste had 17 sunny days, 14 cloudy days, and 0 rainy days. The average maximum temperature was +31°C, with an absolute maximum of +37°C and a minimum of +26°C. The average humidity was 53%, with a maximum of 97% and a minimum of 22%. The average wind speed was 2 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change over Years

This is how Trieste climate have been changing during last 43 years period.

The climate in Trieste in August has not changed much over the last 43 years.

The average temperature was the lowest in 2006 (+26°C) and the highest in 2012 (+34°C). The driest year was 2022 with only 28 mm of rainfall, and the wettest year was 2006 with 315 mm.

FAQ

Frequently asked questions about the weather in Trieste in August:

Is August a good time to visit Trieste?

August is a really good time to go to Trieste. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Trieste.

Can you sunbathe in Trieste in August?

August is warm in Trieste. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Trieste rainy in August?

Trieste is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Trieste in August?

The amount of sunny days in Trieste during August varies; prepare for a mix of clouds and sun.

Other cities in Italy

Check out the weather for 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, 2022.

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.