Triest Weather in December

In Triest, December brings low daytime temperatures around 9°C (48°F), with nights cooling to 3°C (37°F). Expect quite a bit of rainfall this month.

Rainfall in Triest in December

Expect around 12 days of rain based on historical data, with 127 mm (5 in) average. 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 Triest in December

Daytime temperatures in Triest reach 9°C (48°F) in December, dropping to 3°C (37°F) at night. Experience the winter season in December. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Triest in December

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

Average water temperature in December

The water sits at 11°C (52°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Triest.