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Weather in Trieste for April 2026

Your guide to Trieste weather in April - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • So far, April 2026 in Trieste is slightly warmer than the historical average by 1.3 °C.

  • In general, the average temperature in Trieste at the beginning of April is 14.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.3 °C by the end of April.

    • Rain 🌧️

  • The climate of Trieste in April is notably wet, with an average of 15 rainy days, and a total of 110.6 mm of precipitation.

    • More

  • Is April a good time to visit Trieste? check out the best time to travel to Trieste page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/8°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Trieste Weather April

Move between months or click on a day
March
May
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate or heavy rain shower
14°
2
Patchy rain possible
15°
3
Sunny
15°
4
Partly cloudy
15°
5
Sunny
15°
6
Partly cloudy
15°
7
Partly cloudy
15°
8
Overcast
16°
9
Patchy rain possible
16°
10
Partly cloudy
16°
11
Overcast
17°
12
Sunny
19°
13
Light rain shower
19°
14
Moderate or heavy rain shower
15°
15
Patchy rain possible
15°
16
Sunny
18°
17
Light rain shower
18°
18
Patchy rain possible
16°
19
Patchy rain possible
16°
20
Moderate rain at times
15°
21
Patchy rain possible
17°
22
Partly cloudy
17°
23
Overcast
16°
24
Moderate or heavy rain shower
15°
25
Moderate or heavy rain shower
14°
26
Patchy rain possible
16°
27
Partly cloudy
20°
28
Overcast
20°
29
Sunny
20°
30
Weather Alert Sunny
16°

Temperatures trend during April in Trieste

See the weather trend as well as the moving average line

April weather in Trieste day by day

Click on a date for more information
March May
Date Weather Temperatures Rain UV More
1 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /7° 8.7 mm 4
2 Apr. Patchy rain possible
Patchy rain possible
 15° /8° 1.7 mm 4
3 Apr. Sunny
Sunny
 15° /6° 0.5 mm 4
4 Apr. Partly cloudy
Partly cloudy
 15° /6° 0.1 mm 4
5 Apr. Sunny
Sunny
 15° /7° 0.3 mm 4
6 Apr. Partly cloudy
Partly cloudy
 15° /6° 0.1 mm 4
7 Apr. Partly cloudy
Partly cloudy
 15° /6° 0 mm 4
8 Apr. Overcast
Overcast
 16° /7° 0.1 mm 4
9 Apr. Patchy rain possible
Patchy rain possible
 16° /7° 0.2 mm 4
10 Apr. Partly cloudy
Partly cloudy
 16° /7° 0 mm 4
11 Apr. Overcast
Overcast
 17° /8° 0 mm 4
12 Apr. Sunny
Sunny
 19° /8° 0 mm 5
13 Apr. Light rain shower
Light rain shower
 19° /10° 16.2 mm 4
14 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /10° 15.5 mm 3
15 Apr. Patchy rain possible
Patchy rain possible
 15° /9° 12.3 mm 4
16 Apr. Sunny
Sunny
 18° /8° 2.3 mm 5
17 Apr. Light rain shower
Light rain shower
 18° /8° 1.4 mm 4
18 Apr. Patchy rain possible
Patchy rain possible
 16° /8° 0.8 mm 4
19 Apr. Patchy rain possible
Patchy rain possible
 16° /9° 2.5 mm 3
20 Apr. Moderate rain at times
Moderate rain at times
 15° /8° 1.8 mm 3
21 Apr. Patchy rain possible
Patchy rain possible
 17° /8° 0.6 mm 4
22 Apr. Partly cloudy
Partly cloudy
 17° /8° 3.7 mm 5
23 Apr. Overcast
Overcast
 16° /7° 3.6 mm 5
24 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /8° 10.9 mm 4
25 Apr. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /8° 5.3 mm 4
26 Apr. Patchy rain possible
Patchy rain possible
 16° /8° 2.1 mm 4
27 Apr. Partly cloudy
Partly cloudy
 20° /10° 0 mm 6
28 Apr. Overcast
Overcast
 20° /9° 0.2 mm 4
29 Apr. Sunny
Sunny
 20° /9° 0 mm 6
30 Apr. Sunny
Sunny
 16° /7° 0 mm 5.5
Next
Important Notice
Our weather forecast for Trieste in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trieste forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Trieste weather in April vs March vs May

Compare April weather in Trieste with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
MarchAprilMay
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures13°/6°16°/8°20°/12°
Rainfall178 mm111 mm159 mm
Wind13.6 km/h14.6 km/h14.4 km/h
Humidity75%71%73%
Rainy days23 days15 days29 days
Dry days8 days15 days2 days

Planning a trip to Trieste? Discover the best time to visit

Trieste in April - FAQ

What are the expected maximum and minimum temperatures in Trieste during April?

Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Trieste during April?

Significant rainfall exceeding 110.6 mm is expected in Trieste during April, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Trieste during April?

The average wind speed in Trieste during April is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Trieste in April?

As you prepare for your trip to Trieste in April, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Trieste, during April, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

April rainfall patterns in Trieste

Explore the daily rainfall trends and prepare for Triestes April weather 💧
Typically, Trieste has 15 rainy days in April with a total of 110.6 mm of rainfall.

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Get accurate weather forecasts for Trieste, located at latitude 45.65 and longitude 13.777. Stay updated with localized weather information tailored for Trieste.

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