San Pièr dʼIsonzo Weather in December

In San Pièr dʼIsonzo, December brings low daytime temperatures around 10°C (50°F), with nights cooling to 4°C (39°F). Expect quite a bit of rainfall this month.

Rainfall in San Pièr dʼIsonzo in December

Historically, approximately 11 days this month are expected to have rain, averaging 128 mm (5 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in San Pièr dʼIsonzo in December

December in San Pièr dʼIsonzo brings typical temperatures with highs around 10°C (50°F) and lows of 4°C (39°F). December is known for being in the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in San Pièr dʼIsonzo in December

The month has fewer sunny days, with around 84 hours of sunshine.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit San Pièr dʼIsonzo. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

San Pièr dʼIsonzo Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 37%  

Precipitation 128 mm (5 in)  

Rainy days 11 days  

Humidity 67% *  

Sunshine 84 hours *  

Percentage Sunshine 31% *  

* Data from: Triest, Italy (31 KM, 19 Miles).

What to Wear in San Pièr dʼIsonzo in December

We recommend to layer up for chilly conditions in San Pièr dʼIsonzo in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in San Pièr dʼIsonzo in December

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

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

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 San Pièr dʼIsonzo's climate page.

More climate data for San Pièr dʼIsonzo

Temperature Rainfall Sunshine Humidity

See the full San Pièr dʼIsonzo climate overview or explore weather in Italy.