December weather forecastSlano, Croatia

December

Weather in December

The first month of the winter, December, is also a fresh month in Slano, Croatia, with an average temperature ranging between max 10.8°C (51.4°F) and min 7.2°C (45°F).

Temperature

The shift from November to December coincides with a small decrease in the average high-temperature, down to a cool 10.8°C (51.4°F) from a refreshing 15.4°C (59.7°F). Slano maintains an average low-temperature of 7.2°C (45°F) throughout December's nights.

Humidity

In December, the average relative humidity is 69%.

Rainfall

In Slano, during December, the rain falls for 13 days and regularly aggregates up to 98mm (3.86") of precipitation. Throughout the year, in Slano, there are 134.6 rainfall days, and 827mm (32.56") of precipitation is accumulated.

Snowfall

In Slano, snow does not fall in January, March through December.

Sea temperature

In Slano, the average seawater temperature in December is 15.8°C (60.4°F).
Note: For the majority of people, swimming in water at 15.8°C (60.4°F) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The month with the shortest days in Slano is December, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 06:59 and sunset at 16:15. On the last day of the month, sunrise is at 07:18 and sunset at 16:24 CET.

Sunshine

In Slano, the average sunshine in December is 5.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

In Slano, 10.8°C (51.4°F) is the average high-temperature and 7.2°C (45°F) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 30°C (86°F).

In December, the average relative humidity in Slano is 69%.

In Slano, Croatia, in December, it is raining for 13 days, with typically 98mm (3.86") of accumulated precipitation.

In Slano, snow does not fall in January, March through December.

In Slano, the average seawater temperature in December is 15.8°C (60.4°F). Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

The month with the shortest days in Slano, Croatia, is December, with an average of 9h and 6min of daylight.

The average day length in December is 9h and 6min.

In December, on the first day of the month, sunrise is at 06:59 and sunset at 16:15. On the last day of the month, in Slano, Croatia, sunrise is at 07:18 and sunset at 16:24 CET.

In December, the average sunshine duration is 5.9h.

The months with the lowest UV index in Slano, Croatia, are January, February, November and December, with an average maximum UV index of 3.

In Slano, Croatia, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Slano, Croatia

  • Average high temperature in December: 10.8°C

The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is January (9.4°C).

  • Average low temperature in December: 7.2°C

The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).

Average pressure in December
Slano, Croatia

  • Average pressure in December: 1019.2mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).

Average wind speed in December
Slano, Croatia

  • Average wind speed in December: 15.4km/h

The windiest month (with the highest average wind speed) is February (16.8km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).

Average humidity in December
Slano, Croatia

  • Average humidity in December: 69%

The month with the highest relative humidity is February (73%).
The month with the lowest relative humidity is August (62%).

Average rainfall in December
Slano, Croatia

  • Average rainfall in December: 98mm

The wettest month (with the highest rainfall) is November (165mm).
The driest month (with the least rainfall) is July (22mm).

Average rainfall days in December
Slano, Croatia

  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is August (5.4 days).

Average snowfall in December
Slano, Croatia

  • Average snowfall in December: 0mm

The month with the highest snowfall is February (3mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Slano, 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
Slano, Croatia

  • Average sea temperature in December: 15.8°C

The best months for swimming (with the highest average sea temperature) are July and August (25.3°C).
The coldest month (with the lowest average sea temperature) is January (14°C).

Average daylight in December /
Average sunshine in December
Slano, 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: 5h and 54min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

Average sunshine days in December
Slano, Croatia

  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in December
Slano, 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, November and December (UV index 3).

Average cloud cover in December
Slano, Croatia

  • Average cloud cover in December: 35

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in December
Slano, 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).