Climate averages 1991–2020
Trieste weather
in March.
A cool, wet month: the 8th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Trieste: daytime highs average 12.4°C and nights cool to about 4.1°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 101 mm of rain on roughly 10 days, which makes March a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 53 min on an average March day.
The nearest other city in this atlas is Udine (63 km away). In March its highs average 11.7°C, 0.7°C cooler than Trieste, with 93 mm of rain.
Among the 79 cities listed in Italy, Trieste ranks joint 75th of 79 for the warmest March highs and joint 74th of 79 for the driest March (rainfall, lowest first). The mean March high of those 79 cities is 14.2°C; Trieste is 1.8°C cooler than that mean.
From March to April, average highs rise by 4.0°C to 16.4°C, and monthly rainfall rises from 101 mm to 110 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Trieste climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.2°C1.1°C | 1.1°C | 90 | 9.5 | 9.19 h |
| February | 8.6°C1.1°C | 1.1°C | 97 | 8.7 | 10.310 h |
| March, selected | 12.4°C4.1°C | 4.1°C | 101 | 9.7 | 11.912 h |
| April | 16.4°C7.8°C | 7.8°C | 110 | 12.1 | 13.513 h |
| May | 20.6°C12.3°C | 12.3°C | 122 | 13.0 | 14.915 h |
| June | 24.8°C16.4°C | 16.4°C | 111 | 12.1 | 15.616 h |
| July | 27.4°C18.7°C | 18.7°C | 87 | 10.7 | 15.315 h |
| August | 27.7°C18.9°C | 18.9°C | 111 | 10.2 | 14.114 h |
| September | 22.3°C14.8°C | 14.8°C | 170 | 11.4 | 12.613 h |
| October | 17.4°C10.8°C | 10.8°C | 184 | 13.0 | 11.011 h |
| November | 12.3°C6.5°C | 6.5°C | 195 | 13.2 | 9.510 h |
| December | 8.0°C2.0°C | 2.0°C | 129 | 10.1 | 8.89 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Udine in MarchItaly · 63 kmHigh 11.7°C · Low 1.6°C · 93 mm rain
- Rijeka in MarchCroatia · 63 kmHigh 12.1°C · Low 4.0°C · 123 mm rain
- Ljubljana in MarchSlovenia · 72 kmHigh 10.3°C · Low 1.3°C · 76 mm rain
- Klagenfurt am Wörthersee in MarchAustria · 116 kmHigh 9.4°C · Low 0.8°C · 76 mm rain
- Treviso in MarchItaly · 119 kmHigh 13.0°C · Low 3.3°C · 79 mm rain
- Mestre in MarchItaly · 120 kmHigh 12.8°C · Low 4.6°C · 70 mm rain
- Padua in MarchItaly · 150 kmHigh 13.7°C · Low 3.9°C · 67 mm rain
- Zagreb in MarchCroatia · 172 kmHigh 12.1°C · Low 1.8°C · 59 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Trieste) is explained once on the Trieste year overview and on the Sources, method and limits page.