Zagreb
Croatia
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Zagreb, Croatia

The iconic buildings of the cathedral in Zagreb, Croatia, in an early autumn morning
The iconic buildings of the cathedral in Zagreb, Croatia, in an early autumn morning
December is officially the beginning of the cold winter season in Zagreb. The temperatures plunge in the average range of -1.7°C (28.9°F) to 5°C (41°F) as strong winds up the chilliness quotient.
Snowfall is common during the shortest days of the year, with only 9 hours of daylight. The gloomy skies witness the sun for hardly 1.6 hours a day, and the ground becomes hard and even white at times. The rain is moderate at 58.4mm (2.3") and is frequently icy.
Christmas keeps the festive spirits up, but it mandates warm coats, gloves, and caps.

What is the temperature in December in Zagreb?

In December, in Zagreb, the average high-temperature is 4.6°C (40.3°F), and the average low-temperature is -1.7°C (28.9°F).

What is the most humid month in Zagreb?

December is the most humid month, with an average relative humidity of 84.8%.

What is the average humidity in December in Zagreb?

In December, the average relative humidity in Zagreb is 84.8%.

How much does it rain in Zagreb in December?

In Zagreb, Croatia, in December, during 11 rainfall days, 59.6mm (2.3") of precipitation is typically accumulated.

How many days does it snow in December in Zagreb?

In Zagreb, during December, snow falls for 6.7 days.

What is the month with the shortest days in Zagreb?

The month with the shortest days in Zagreb is December, with an average of 8.7h of daylight.

How many hours of daylight does Zagreb have in December?

In December, the average length of the day in Zagreb, Croatia, is 8.7h.

What is the month with the least sunshine in Zagreb?

December has the least sunshine of the year in Zagreb, Croatia, with an average of 1.6h of sunshine.

How many hours of sunshine does Zagreb have in December?

The average sunshine in December is 1.6h.

What are the months with the lowest UV index in Zagreb?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Zagreb, Croatia.

What is the UV index intensity in December in Zagreb?

In Zagreb, Croatia, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in December - Zagreb, Croatia
  • Average high temperature in December: 4.6°C

The warmest month (with the highest average high temperature) is July (26.7°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in December: -1.7°C

The month with the highest average low temperature is July (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average humidity in December - Zagreb, Croatia
  • Average humidity in December: 84.8%

The month with the highest relative humidity is December (84.8%).
The month with the lowest relative humidity is April (67.5%).

Average rainfall in December - Zagreb, Croatia
  • Average rainfall in December: 59.6mm

The wettest month (with the highest rainfall) is June (95.3mm).
The driest month (with the lowest rainfall) is February (38.9mm).

Average rainfall days in December - Zagreb, Croatia
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is June (13.7 days).
The month with the lowest number of rainy days is February (9.4 days).

Average snowfall days in December - Zagreb, Croatia
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is January (10.3 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Zagreb, Croatia
  • Average daylight in December: 8.7h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

  • Average sunshine in December: 1.6h

The month with most sunshine is July (Average sunshine: 8.9h).
The month with least sunshine is December (Average sunshine: 1.6h).

Average UV index in December - Zagreb, Croatia
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).