December weather forecast
Rovinj, Croatia

December's weather holds a chilly grip over Rovinj, rounding out the year with low temperatures and shorter daylight hours. Record low temperatures in December, with a low of 3.2°C (37.8°F), signify the arrival of winter. The daylight hours scale down from 9.6 hours in November to a more winter-like 8.8 hours in December. Showers increase as nature replenishes the soil before the arrival of spring. Despite the winter chill, the festive spirit keeps the city alive, with Christmas markets and lights adding warmth to the cold December days.

Temperature

December indicates a minor shift in the average high-temperature, from November's mild 14.4°C (57.9°F) to a fresh 10.8°C (51.4°F). Rovinj experiences an average low-temperature reading of 3.2°C (37.8°F) throughout December.

Humidity

The average relative humidity in December is 81.1%.

Rainfall

In Rovinj, in December, during 8.5 rainfall days, 71mm (2.8") of precipitation is typically accumulated. In Rovinj, Croatia, during the entire year, the rain falls for 102.1 days and collects up to 811mm (31.93") of precipitation.

Snowfall

In Rovinj, snow does not fall in April through December.

Sea temperature

In Rovinj, the average seawater temperature in December is 13.7°C (56.7°F).
Note: Staying in 13.7°C (56.7°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.

Daylight

December has the shortest days of the year in Rovinj, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 07:24 and sunset at 16:25. On the last day of December, sunrise is at 07:43 and sunset at 16:33 CET.

Sunshine

With an average of 3h of sunshine, December has the least sunshine of the year in Rovinj, Croatia.

UV index

The months with the lowest UV index in Rovinj, Croatia, are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 1 in December translates into this advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.