Measurements:
°C
°F
Trieste
40°F
W 6 mph
Feels like: 36°F
Precip: 0%
World Resorts Italy Trieste Weather August Weather in Trieste

Trieste Weather: August

Average Day Temperature: 88.1°F
Average Night Temperature: 67.6°F
Sea Water Temperature: 81.4°F
Number of Sunny Days: 23 days
Sunshine Hours: 13.3 - 14.7 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.6 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 101°F. The lowest night temperature was 59°F. The average values for day and night temperatures during August were 85.2°F и 66.4°F respectivly.

Trieste Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Trieste was 79.4°F. The maximum and minimum values were 77.0°F and 81.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Trieste is 2.6 in. It makes august one of the least rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 5.3 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Trieste in August is 10.9 hours.

Best Time to Visit Trieste
The most sunny months:
August 23 days
July 21 days
June 19 days
The most warm months:
August 88.1 °F
July 87.7 °F
June 82.2 °F
Warmest sea temperature:
August 81.5 °F
July 81.2 °F
September 76.4 °F
The most cold months:
January 44.3 °F
December 46.7 °F
February 47.3 °F
The most rainy months:
May 7 days
November 6 days
September 6 days
The most windy months:
February 6 mph
March 6 mph
November 6 mph

Trieste on the Weather Map

Italy Resorts:
NAME
Amalfi +48
Bari +54
Cagliari +48
Catania +52
Florence +48
Genoa +48
Naples +56
Palermo +52
Pisa +50
Rimini +50
Rome +50
Scalea +40
Sicily +44
Tropea +54
Venice +48
24 Hours Weather Forecast
Trieste
Local time: 05:38
05 dec, friday
0600 40°F
W
6 mph
0900 44°F
W
5 mph
1200 48°F
SW
6 mph
1500 48°F
SW
7 mph
1800 44°F
SW
7 mph
2100 42°F
SW
7 mph
06 dec, saturday
0000 42°F
SW
7 mph
0300 42°F
SW
6 mph