Planning a trip to Trieste in April? You are in luck! The weather is generally good, with an average maximum temperature of +17°C and approximately 7 sunny days. Just be prepared for some rain, as there are usually around 15 rainy days and 103 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+17°C
Avg. max. temperature
-2°C
Min.
+28°C
Max.
103 mm
Total precipitation
66%
Avg. humidity
1 m/s
Avg. wind
7 ☀️
Sunny Days
7 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Trieste has good weather in April.
Average temperature in Trieste in April
Here are the expected maximum, average and minimum temperatures in Trieste for April based on the historical data.
Last Year
Historical Data
Going from a maximum of +23°C during the day to a minimum of +4°C during the night, the temperature in April averages around +17°C.
The average maximum temperature goes up 32% by the end of the month, compared with the beginning of the month, from +17°C to +23°C.
Is Trieste warm or cold in April?
Trieste is typically mild in April.
Maximum temperatures go up compared to the previous month from +14°C to +17°C. The minimum temperature also goes up from +6°C to +10°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in Trieste:
Water temperature in Trieste in April
Water in Trieste in April is Cold. It varies from +11°C to +15°C, with an average of +13°C.This is almost similar to the air temperature, which averages +17°C.
In April, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Trieste are reached in August, when the average sea temperature rises to +25°C. The coldest water temperatures are in February, with an average of +9°C.
Can you swim in Trieste in April?
We would not recommend swimming in Trieste in April, the water is very cold (+13°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.
Climate in Trieste in April
Trieste weather looks like this, on average, in April and the surrounding months.
March
April
May
Avg. temperature
+14°C
+17°C
+22°C
Min. temperature
-10°C
-2°C
+6°C
Max. temperature
+24°C
+28°C
+32°C
Rainfall
94 mm
103 mm
114 mm
Wind
2 m/s
1 m/s
1 m/s
Avg. water temperature
+10°C
+13°C
+18°C
Humidity
65%
66%
67%
Air pressure
1015 HPa
1013 HPa
1013 HPa
Sunny days
9
7
7
Cloudy days
9
7
6
Rainy days
13
15
15
Snowy days
0
0
0
April weather is still as good as in March.It’s getting warmer as April arrives. The average maximum temperature goes up from +14°C to +17°C during the day.Prepare for more rain. Average rainfall goes from 94 mm to 103 mm.Humidity rises from 65% to 66%.Winds are calmer in comparison to March, going down from 2 m/s to 1 m/s on average.The days becoming less sunny, going from 9 sunny days in March to 7 in April.
May brings much the same weather, it remains good.
Wind speed in Trieste in April based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Trieste is gradually increasing during April, going from 1 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during April in Trieste based on historical data.
Last Year
Historical Data
Typically, there is a 40% chance of rain on an average day in April, with total rainfall of approximately 125 mm. The maximum amount of rainfall per day is around 70 mm, which is considered heavy rain.April is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Trieste wettest month is November, where a typical day has a 43% chance of precipitation and 163 mm of rainfall per day. July, on the other hand, is the driest month with a mere 26% chance of precipitation and 72 mm of rainfall per day.
How was the weather last April in Trieste?
This is the weather in Trieste in April 2023:
1 April
☁️
+17°C
2 April
☁️
+18°C
3 April
☀️
+14°C
4 April
☀️
+12°C
5 April
☀️
+13°C
6 April
☀️
+13°C
7 April
☀️
+15°C
8 April
☁️
+15°C
9 April
☁️
+14°C
10 April
☀️
+17°C
11 April
☁️
+16°C
12 April
☁️
+17°C
13 April
🌧️
+13°C
14 April
🌧️
+12°C
15 April
☁️
+15°C
16 April
☁️
+16°C
17 April
☁️
+19°C
18 April
☁️
+19°C
19 April
☁️
+19°C
20 April
🌧️
+17°C
21 April
☁️
+19°C
22 April
☀️
+21°C
23 April
☁️
+21°C
24 April
🌧️
+16°C
25 April
☁️
+15°C
26 April
☀️
+17°C
27 April
☀️
+20°C
28 April
☁️
+18°C
29 April
☁️
+21°C
30 April
☁️
+23°C
In April 2023 Trieste had 9 sunny days, 17 cloudy days, and 4 rainy days. The average maximum temperature was +17°C, with an absolute maximum of +23°C and a minimum of +12°C. The average humidity was 72%, with a maximum of 100% and a minimum of 32%. The average wind speed was 2 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in April?
Climate Change over Years
This is how Trieste climate have been changing during last 43 years period.
The climate in Trieste in April has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+17°C) and the highest in 2022 (+20°C). The driest year was 2003 with only 712 mm of rainfall, and the wettest year was 2019 with 2509 mm.
FAQ
Frequently asked questions about the weather in Trieste in April:
Is April a good time to visit Trieste?
April 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 April?
April has mild temperatures in Trieste. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Trieste in April?
Swimming in Trieste in April is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is Trieste rainy in April?
Trieste is often rainy in April. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Trieste in April?
Usually, it’s not very sunny in Trieste in April, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
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, 2023.
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.
