
Trieste Monthly Climate Averages
Trieste is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Trieste .
Month | ![]() day |
![]() night |
![]() rain |
![]() |
January | +7 | +3.1 | 71 | 9.7h |
February | +8.7 | +4.1 | 62 | 10.9h |
March | +12 | +6.4 | 77 | 12.5h |
April | +16.8 | +9.9 | 87 | 14.1h |
May | +21.8 | +14 | 81 | 15.5h |
June | +25.4 | +17.5 | 102 | 16.3h |
July | +28.1 | +19.9 | 71 | 15.9h |
August | +27.4 | +19.6 | 101 | 14.6h |
September | +23.6 | +16.7 | 102 | 13h |
October | +18.1 | +12.7 | 87 | 11.4h |
November | +12.4 | +8 | 114 | 10h |
December | +8.3 | +4.4 | 92 | 9.3h |
High season with the best weather conditions for the beach leisure in Trieste are typically June, July, August.
Temperature in Trieste
The table shows that the hottest months in Trieste are July and August, during which the average daytime temperature reaches +28.1°C and the nighttime temperature falls to +19.9°C.
The coldest months are January and December, when the daily average temperature falls to +7°C, and drops to +3.1°C during the night.
Best beach resorts :

Dubai
UAE

Barcelona
Spain

Cape Town
South Africa

Phuket
Thailand

Bangkok
Thailand

Nice
France
Most Popular Destinations in the World
Sea temperature
The month with the highest average monthly temperature in the Adriatic Sea on the beaches of Trieste is August with 26 degrees.
The coldest water can be found in February — 10degrees C.
Precipitation
The largest amount of precipitation falls on average in November and September, up to 114mm, and the least in February and July — up to 62mm.