December weather forecastJelsa, Croatia

December

Weather in December

December, the first month of the winter in Jelsa, is also a fresh month, with an average temperature fluctuating between 11.5°C (52.7°F) and 8.8°C (47.8°F).

Temperature

The advent of December brings a slight shift in average high-temperature, moving from a mild 15.5°C (59.9°F) in November to a cool 11.5°C (52.7°F). Jelsa sees a minor drop to an average minimum temperature of 8.8°C (47.8°F) during the night in the month of December.

Humidity

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

Rainfall

In Jelsa, 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

In Jelsa, snow does not fall in January, April through December.

Sea temperature

In Jelsa, in December, the average water temperature is 16°C (60.8°F).
Note: Most people do not find pleasure in swimming when the water temperature is 16°C (60.8°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 07:05 and sunset at 16:19. On the last day of December, sunrise is at 07:24 and sunset at 16:27 CET.

Sunshine

In December, the average sunshine 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 of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

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

Frequently asked questions

The high-temperature in Jelsa, 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. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 29°C (84.2°F).

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

In December, in Jelsa, the rain falls for 9.9 days. Throughout December, 22mm (0.87") of precipitation is accumulated.

In Jelsa, snow does not fall in January, April through December.

In Jelsa, the average seawater temperature in December is 16°C (60.8°F). Swimming in 16°C (60.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

December has the shortest days of the year in Jelsa, with an average of 9h and 6min of daylight.

In December, the average day length in Jelsa, Croatia, is 9h and 3min.

In December, on the first day of the month, sunrise is at 07:05 and sunset at 16:19. On the last day of the month, sunrise is at 07:24 and sunset at 16:27 CET.

In December, the average sunshine duration is 6.1h.

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

The average daily maximum UV index in December in Jelsa, Croatia, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Jelsa, 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
Jelsa, 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
Jelsa, 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
Jelsa, 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
Jelsa, 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
Jelsa, 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
Jelsa, 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
Jelsa, 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
Jelsa, 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
Jelsa, Croatia

Average daylight in December: 9h and 6min

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 6min).

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
Jelsa, 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
Jelsa, 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
Jelsa, 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
Jelsa, 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).