December weather forecast
Karlovac, Croatia

December

Weather in December

December in Karlovac embraces winter in all its glory with considerably shortened days and low temperatures. Snowfall increases in December as compared to November, blanketing the city in a lovely white layer. Contrarily, rainfall volume drops from November, leading to a decline in the city's precipitation. As the month progresses, the number of hours of daylight minimizes. With the year's end, Karlovac pleasantly wraps up the weather cycle and prepares for a new one.

Temperature

As November transitions to December, the average high-temperature in Karlovac falls from a fresh 11.1°C (52°F) to a frosty 6°C (42.8°F). During December nights, Karlovac witnesses a consistent average temperature of -0.5°C (31.1°F).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In December, in Karlovac, the rain falls for 7.6 days. Throughout December, 33mm (1.3") of precipitation is accumulated. Throughout the year, there are 118.1 rainfall days, and 522mm (20.55") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Karlovac, in December, snow falls for 3.4 days, with typically accumulated 66mm (2.6") of snow. In Karlovac, during the entire year, snow falls for 18.8 days and aggregates up to 358mm (14.09") of snow.

Daylight

The month with the shortest days in Karlovac is December, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 07:17 and sunset at 16:16. On the last day of the month, sunrise is at 07:37 and sunset at 16:24 CET.

Sunshine

In December, the average sunshine is 5.3h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

Is it cold in Karlovac during December?
In Karlovac, 6°C (42.8°F) is the average high-temperature and -0.5°C (31.1°F) is the average low-temperature during December. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 31°C (87.8°F).
What is the average humidity in December in Karlovac?
In Karlovac, Croatia, the average relative humidity in December is 85%.
How many days does it rain in December in Karlovac?
In December, in Karlovac, Croatia, the rain falls for 7.6 days. Throughout December, 33mm (1.3") of precipitation is accumulated.
How many days does it snow in December in Karlovac?
In Karlovac, in December, snow falls for 3.4 days, with typically accumulated 66mm (2.6") of snow.
What is the month with the shortest days in Karlovac?
December has the shortest days of the year in Karlovac, with an average of 8h and 48min of daylight.
How many hours of daylight does Karlovac have in December?
The average day length in December in Karlovac is 8h and 47min.
When is the sunrise / sunset in December in Karlovac?
In December, on the first day of the month, sunrise is at 07:17 and sunset at 16:16. On the last day of the month, sunrise is at 07:37 and sunset at 16:24 CET.
How long on average sun shines in December in Karlovac?
In Karlovac, the average sunshine duration in December is 5.3h.
When is the lowest UV index in Karlovac?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the UV index reading in December in Karlovac?
The average daily maximum UV index in December in Karlovac, Croatia, is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Karlovac, Croatia
  • Average high temperature in December: 6°C

The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in December: -0.5°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).

Average pressure in December
Karlovac, Croatia
  • Average pressure in December: 1020.1mbar

The month with the highest atmospheric pressure is December (1020.1mbar).
The months with the lowest atmospheric pressure are June and July (1014.6mbar).

Average wind speed in December
Karlovac, Croatia
  • Average wind speed in December: 6.5km/h

The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).

Average humidity in December
Karlovac, Croatia
  • Average humidity in December: 85%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December
Karlovac, Croatia
  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is April (24mm).

Average rainfall days in December
Karlovac, Croatia
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in December
Karlovac, Croatia
  • Average snowfall in December: 66mm

The month with the highest snowfall is January (97mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Karlovac, Croatia
  • Average snowfall days in December: 3.4 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Karlovac, Croatia
  • Average daylight in December: 8h and 5min

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: 5h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Karlovac, Croatia
  • Average sunshine days in December: 20 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is May (14.4 days).

Average UV index in December
Karlovac, Croatia
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Karlovac, Croatia
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in December
Karlovac, Croatia
  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).

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