Weather in Trieste in January 2025
- January is usually the coldest month of the year in Trieste;
Average weather
Average temperature in Trieste in January
Going from a maximum of +14°C during the day to a minimum of -1°C during the night, the temperature in January averages around +10°C.
The average maximum temperature goes down 13% by the end of the month, compared with the beginning of the month, from +13°C to +11°C.
Is Trieste warm or cold in January?
Trieste is typically cool in January.
Maximum temperatures go down compared to the previous month from +10°C to +9°C. The minimum temperature also goes down from +4°C to +3°C.
Pack a sweater and a jacket as there will be cooler temperatures.
January is the coldest month in Trieste, here is the comparison with other months:
Water temperature in Trieste in January
Water in Trieste in January is Cold. It varies from +8°C to +13°C, with an average of +10°C. Note that the air temperature is lower than the water temperature, averaging around +9°C.
The water temperature in January is one of the coldest of the entire year:
Can you swim in Trieste in January?
Climate in Trieste in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +10°C | +9°C | +10°C | ||||
| Min. temperature | ||||||
| -8°C | -12°C | -12°C | ||||
| Max. temperature | ||||||
| +19°C | +17°C | +21°C | ||||
| Rainfall | ||||||
| 113 mm | 81 mm | 78 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +13°C | +10°C | +9°C | ||||
| Humidity | ||||||
| 70% | 69% | 67% | ||||
| Air pressure | ||||||
| 1018 HPa | 1018 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 9 | 9 | 9 | ||||
| Cloudy days | ||||||
| 9 | 10 | 8 | ||||
| Rainy days | ||||||
| 12 | 11 | 10 | ||||
| Snowy days | ||||||
| 0 | 1 | 1 | ||||
January weather is still as good as in December. It’s getting colder in January. From +10°C in the day, the average maximum temperature lowers to +9°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 113 mm to 81 mm. It feels drier, as humidity decreases from 70% to 69%. The average wind speed doesn’t change much during January, staying around 2 m/s. The amount of sunny days stay about the same, averaging 9 sunny days during the month.
February brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 9 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 increasing during January, going from 0 m/s to 1 m/s over the course of the month.
Rain
Snow
January is one of the snowiest months in Trieste.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Trieste?
Climate Change over Years
The climate in Trieste in January 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
Is January a good time to visit Trieste?
Can you sunbathe in Trieste in January?
Can you swim in Trieste in January?
Is Trieste rainy in January?
Is it sunny in Trieste in January?
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.