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Trieste in March: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Trieste in March will be like? Take a look at our weather guide for Trieste, based on historical data.
Check flight prices to Trieste on Avionero:
March

Weather in Trieste in March 2025

Good Weather
Mild
🌧️
Rainy
🌊
Cold water
Planning a trip to Trieste in March? You are in luck! The weather is generally good, with an average maximum temperature of +14°C and approximately 9 sunny days. Just be prepared for some rain, as there are usually around 13 rainy days and 94 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+14°C
Avg. max. temperature
-10°C
Min.
+24°C
Max.
94 mm
Total precipitation
65%
Avg. humidity
2 m/s
Avg. wind
9 ☀️
Sunny Days
9 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Trieste has good weather in March.

Average temperature in Trieste in March

Here are the expected maximum, average and minimum temperatures in Trieste for March based on the historical data.
Last Year
Historical Data

Going from a maximum of +20°C during the day to a minimum of +4°C during the night, the temperature in March averages around +15°C.

The average maximum temperature goes up 44% by the end of the month, compared with the beginning of the month, from +8°C to +15°C.

Is Trieste warm or cold in March?

Trieste is typically mild in March.

Maximum temperatures go up compared to the previous month from +10°C to +14°C. The minimum temperature also goes up from +3°C to +6°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how March is compared to other months in Trieste:

Water temperature in Trieste in March

Water in Trieste in March is Cold. It varies from +8°C to +12°C, with an average of +10°C. This is almost similar to the air temperature, which averages +14°C.

The water temperature in March is one of the coldest of the entire 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 March?

We would not recommend swimming in Trieste in March, the water is very cold (+10°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 March

Trieste weather looks like this, on average, in March and the surrounding months.
FebruaryMarchApril
Avg. temperature
+10°C+14°C+17°C
Min. temperature
-12°C-10°C-2°C
Max. temperature
+21°C+24°C+28°C
Rainfall
78 mm94 mm103 mm
Wind
2 m/s2 m/s1 m/s
Avg. water temperature
+9°C+10°C+13°C
Humidity
67%65%66%
Air pressure
1017 HPa1015 HPa1013 HPa
Sunny days
997
Cloudy days
897
Rainy days
101315
Snowy days
100

March weather is still as good as in February. It’s getting warmer as March arrives. The average maximum temperature goes up from +10°C to +14°C during the day. Prepare for more rain. Average rainfall goes from 78 mm to 94 mm. It feels drier, as humidity decreases from 67% to 65%. The average wind speed doesn’t change much during March, staying around 2 m/s. The amount of sunny days stay about the same, averaging 9 sunny days during the month.

April brings much the same weather, it remains good.

Wind

Wind speed in Trieste in March based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Trieste is gradually decreasing during March, going from 10 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during March in Trieste based on historical data.
Last Year
Historical Data
Typically, there is a 48% chance of rain on an average day in March, with total rainfall of approximately 112 mm. The maximum amount of rainfall per day is around 36 mm, which is moderate rain. March is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how March 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 March in Trieste?

This is the weather in Trieste in March 2023:
1 March
🌧️
+8°C
2 March
🌧️
+12°C
3 March
☀️
+13°C
4 March
☀️
+15°C
5 March
☁️
+14°C
6 March
🌧️
+12°C
7 March
🌧️
+12°C
8 March
🌧️
+14°C
9 March
🌧️
+16°C
10 March
☁️
+15°C
11 March
☁️
+16°C
12 March
☀️
+15°C
13 March
☁️
+17°C
14 March
🌧️
+15°C
15 March
☁️
+14°C
16 March
☀️
+13°C
17 March
☀️
+15°C
18 March
☀️
+16°C
19 March
☁️
+16°C
20 March
🌧️
+15°C
21 March
☀️
+19°C
22 March
☀️
+20°C
23 March
☁️
+20°C
24 March
☁️
+18°C
25 March
☁️
+15°C
26 March
🌧️
+16°C
27 March
☁️
+15°C
28 March
☀️
+14°C
29 March
☀️
+16°C
30 March
☁️
+15°C
31 March
☁️
+15°C
In March 2023 Trieste had 10 sunny days, 12 cloudy days, and 9 rainy days. The average maximum temperature was +15°C, with an absolute maximum of +20°C and a minimum of +8°C. The average humidity was 75%, with a maximum of 97% and a minimum of 35%. The average wind speed was 2 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in March?

Climate Change over Years

This is how Trieste climate have been changing during last 43 years period.

The climate in Trieste in March 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 March:

Is March a good time to visit Trieste?

March 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 March?

March 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 March?

Swimming in Trieste in March is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Trieste rainy in March?

Trieste is often rainy in March. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Trieste in March?

Usually, it’s not very sunny in Trieste in March, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Italy

Check out the weather for other cities in Italy.

Monthly weather in Trieste

Source of the data

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.