Trieste Weather in January

January in Trieste brings low temperatures, with daytime highs of 8°C (46°F) and nights around 2°C (36°F). Quite a bit of rainfall is expected, around 90 mm (3.5 in), so pack an umbrella.

Rainfall in Trieste in January

On average, there are about 12 days with rain during this month, averaging 90 mm (3.5 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Trieste in January

If you're visiting Trieste in January, expect highs of 8°C (46°F) and overnight lows around 2°C (36°F). Experience the winter season in January. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. Since it's the coldest month of the year, you'll want to bundle up with extra layers and winter clothing.

Sunshine in Trieste in January

This month sees fewer sunny days, with about 98 hours of sunshine, perfect for those who enjoy cooler temperatures.

Average water temperature in January

The water sits at 10°C (50°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

January in Trieste can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Italy, check out our Trieste's climate page.

Trieste Temperature in January

Min Temperature 2°C (36°F)  

Max Temperature 8°C (46°F)  

Water Temperature 10°C (50°F) *  

Chance of Rain 41%  

Precipitation 90 mm (3.5 in)  

Rainy days 12 days  

Humidity 67% *  

Sunshine 98 hours *  

Percentage Sunshine 38% *  

* Data from: Triest, Italy (2 KM, 1 Miles).

What to Wear in Trieste in January

Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 10°C (50°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Trieste in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Italy, check out our Trieste's climate page.

More climate data for Trieste

Temperature Rainfall Sunshine Humidity Water Temp

See the full Trieste climate overview or explore weather in Italy.