April · Italy
Best time to visit Trieste in April Weather, crowds & prices
Weather in Trieste in April
Average temperature 11°C, 78 mm of rain, about 19 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
7.7/10
Ranked #2 of 12 months
- Avg temp
- 11°C
- Rainfall
- 78 mm
- Humidity
- 75%
- Days with 6h+ sun
- 19
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Trieste scores 7.7/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 11°C, 78 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
Trieste faces the Adriatic with Habsburg cafés, a grand piazza on the water, and a Mitteleuropean literary past. Best window: April-June and September-October.
April in Trieste: strong conditions, 2nd of 12
Expect 11°C (52°F) in April. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 78 mm of rain this month — a flexible day or two helps — with about 19 days with 6+ hours of sunshine and 13.3 hours of daylight to work around it.
That is 7.7/10 on the same scale — 2nd of 12 months, versus 8.6/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Trieste in April?
- In April, Trieste averages 11°C, 78 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 7.7/10.
- Is April a good time to visit Trieste?
- April earns a 7.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Trieste in April?
- Expect about 78 mm of rain in April. Average humidity is 75% and there are about 19 days with 6+ hours of sunshine.
Curated in Trieste
Tickets & experiences
Things to do in Trieste
Trieste, Italy. Live activities and tours from GetYourGuide, matched to this destination.