December weather forecastBol, Croatia

December

Weather in December

December, the first month of the winter in Bol, is still a cool month, with an average temperature varying between 8.8°C (47.8°F) and 11.5°C (52.7°F).

Temperature

As December begins, there is a minor decrease in the average high-temperature, softly falling from a refreshing 15.5°C (59.9°F) in November to a cool 11.5°C (52.7°F). Bol records a negligible downturn from daytime temperatures, averaging a low of 8.8°C (47.8°F) in the month of December.

Humidity

In Bol, the average relative humidity in December is 68%.

Rainfall

In Bol, in December, it is raining for 9.9 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, there are 97.2 rainfall days, and 202mm (7.95") of precipitation is accumulated.

Snowfall

January, April through December are months without snowfall in Bol.

Sea temperature

In Bol, Croatia, in December, the average water temperature is 16°C (60.8°F).
Note: Swimming is not a pleasant activity for most individuals in 16°C (60.8°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:06 and sunset at 16:19. On the last day of the month, sunrise is at 07:25 and sunset at 16:27 CET.

Sunshine

The average sunshine in December in Bol, Croatia, is 6.1h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Make use of precautions - It is urged to ward off sun damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Bol, Croatia, during December is 11.5°C (52.7°F) and the low-temperature is 8.8°C (47.8°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is evaluated at 29°C (84.2°F).

In Bol, Croatia, the average relative humidity in December is 68%.

In Bol, Croatia, in December, during 9.9 rainfall days, 22mm (0.87") of precipitation is typically accumulated.

January, April through December are months without snowfall.

In Bol, Croatia, in December, the average water temperature is 16°C (60.8°F). For most, swimming in 16°C (60.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

The month with the shortest days in Bol is December, with an average of 9h and 0min of daylight.

The average day length in December in Bol, Croatia, is 9h and 2min.

In December, on the first day of the month, sunrise is at 07:06 and sunset at 16:19. On the last day of the month, sunrise is at 07:25 and sunset at 16:27 CET.

In December, the average sunshine duration in Bol, Croatia, is 6.1h.

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index.

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health 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

15.5°C

11.5°C

10.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

20.9km/h

20.1km/h

20.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

11.1

9.9

Average snowfall

0mm

Average snowfall days

0.1

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

16.5

19.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Bol, Croatia

Average high temperature in December: 11.5°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (10.2°C).

Average low temperature in December: 8.8°C

The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).

Average pressure in December
Bol, Croatia

Average pressure in December: 1018.9mbar

The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).

Average wind speed in December
Bol, Croatia

Average wind speed in December: 18.6km/h

The windiest month (with the highest average wind speed) is February (20.4km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).

Average humidity in December
Bol, Croatia

Average humidity in December: 68%

The month with the highest relative humidity is November (72%).
The months with the lowest relative humidity are July and August (64%).

Average rainfall in December
Bol, Croatia

Average rainfall in December: 22mm

The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is August (7mm).

Average rainfall days in December
Bol, Croatia

Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is November (11.1 days).
The month with the least rainy days is August (3.1 days).

Average snowfall in December
Bol, Croatia

Average snowfall in December: 0mm

The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Bol, Croatia

Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December
Bol, Croatia

Average sea temperature in December: 16°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are January and February (13.9°C).

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

Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

Average sunshine in December: 6h and 6min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 42min).

Average sunshine days in December
Bol, Croatia

Average sunshine days in December: 19.5 days

The month with the most sunshine days is August (25 days).
The months with the least sunshine days are February and November (16.5 days).

Average UV index in December
Bol, Croatia

Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in December
Bol, Croatia

Average cloud cover in December: 34

The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in December
Bol, Croatia

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).