December weather forecastRovinj, Croatia

The ancient city of Rovinj, Croatia, beautifully surrounded by water

December

Weather in December

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.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Rovinj, is 10.8°C (51.4°F) and the average low-temperature is 3.2°C (37.8°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 32°C (89.6°F).

In Rovinj, the average relative humidity in December is 81.1%.

In Rovinj, in December, during 8.5 rainfall days, 71mm (2.8") of precipitation is typically accumulated.

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

In Rovinj, Croatia, in December, it doesn't snow. In January, it regularly snows.

In Rovinj, in December, the average water temperature is 13.7°C (56.7°F). Swimming in 13.7°C (56.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

The month with the shortest days in Rovinj is December, with an average of 8h and 48min of daylight.

The average day length in December in Rovinj is 8h and 50min.

In December, on the first day of the month, sunrise is at 07:24 and sunset at 16:25. On the last day of the month, in Rovinj, Croatia, sunrise is at 07:43 and sunset at 16:33 CET.

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

The average sunshine duration in December in Rovinj is 3h.

The months with the lowest UV index in Rovinj are January and December, with an average maximum UV index of 1.

In December, the average daily maximum UV index in Rovinj, Croatia, is 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

14.4°C

10.8°C

9.6°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

8.5

8.8

Average snowfall days

0.1

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in December
Rovinj, Croatia

Average high temperature in December: 10.8°C

The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (9.6°C).

Average low temperature in December: 3.2°C

The months with the highest average low temperature are July and August (17.2°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

Average humidity in December
Rovinj, Croatia

Average humidity in December: 81.1%

The month with the highest relative humidity is January (82.1%).
The month with the lowest relative humidity is July (67.7%).

Average rainfall in December
Rovinj, Croatia

Average rainfall in December: 71.2mm

The wettest month (with the highest rainfall) is November (98.3mm).
The driest month (with the least rainfall) is July (40.7mm).

Average rainfall days in December
Rovinj, Croatia

Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is April (10.5 days).
The month with the least rainy days is July (5.8 days).

Average snowfall days in December
Rovinj, Croatia

Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in December
Rovinj, Croatia

Average sea temperature in December: 13.7°C

The best month for swimming (with the highest average sea temperature) is August (25.2°C).
The coldest month (with the lowest average sea temperature) is February (9.8°C).

Average daylight in December /
Average sunshine in December
Rovinj, Croatia

Average daylight in December: 8h and 48min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).