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The best time to visit Trieste
April, May, June, September and October — daytime highs 17–27°C. Every number on this page is measured, not guessed.
Trieste month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 9°C | 3°C | 10 | |
| February | 11°C | 4°C | 11 | |
| March | 14°C | 6°C | 10 | Shoulder |
| April | 17°C | 9°C | 10 | Best |
| May | 21°C | 13°C | 15 | Best |
| June | 27°C | 19°C | 9 | Best |
| July | 29°C | 20°C | 9 | Shoulder |
| August | 29°C | 21°C | 8 | Shoulder |
| September | 24°C | 17°C | 11 | Best |
| October | 19°C | 12°C | 12 | Best |
| November | 14°C | 8°C | 13 | Shoulder |
| December | 10°C | 4°C | 11 |
The short version
Warmest: July, around 29°C by day. Coolest: January, around 9°C by day and 3°C at night. Wettest: May with about 15 wet days. Driest: August with about 8.
If you want fewer people: March, July, August, November sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit Trieste?
The best months are April, May, June, September and October, when daytime highs sit 17–27°C.
What is the hottest month in Trieste?
July, with daytime highs around 29°C.
What is the wettest month in Trieste?
May, with about 15 wet days. The driest is August with about 8.
When is the cheapest time to visit Trieste?
Prices follow the weather. The months either side of the best ones — March, July, August, November — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Trieste, Friuli Venezia Giulia. Source: Open-Meteo. Hotel and activity links are partner links — the price you pay is the same.