Trecastagni Weather in December

With daytime temperatures of 15°C (59°F) and nighttime lows of 8°C (46°F), December in Trecastagni brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 89 mm (3.5 in) falls on average.

Rainfall in Trecastagni in December

Looking at the last 30 years, the data shows about 10 days with rain, averaging 89 mm (3.5 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Trecastagni in December

December in Trecastagni sees highs of 15°C (59°F) and lows of 8°C (46°F) overnight. December is part of winter. Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Trecastagni in December

The city usually sees around 139 hours of sunlight, indicating a moderately sunny period.

Average water temperature in December

The water temperature is 17°C (63°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, September and October typically offer the best weather for Trecastagni.

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

Trecastagni Temperature in December

Min Temperature 8°C (46°F)  

Max Temperature 15°C (59°F)  

Water Temperature 17°C (63°F) *  

Chance of Rain 35%  

Precipitation 89 mm (3.5 in)  

Rainy days 10 days  

Humidity 76% *  

Sunshine 139 hours *  

Percentage Sunshine 47% *  

* Data from: Catania, Italy (16 KM, 10 Miles).

What to Wear in Trecastagni in December

The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 17°C (63°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Trecastagni in December

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

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 Trecastagni's climate page.

More climate data for Trecastagni

Temperature Rainfall Sunshine Humidity Water Temp

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