December weather - Winter 2024 - Bratislava, Slovakia

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average snowfall in December
Average snowfall days in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

The road bridge leading into the big city of Bratislava in Slovakia

Weather in December

December in Bratislava is synonymous with the festive season, marked by spectacular holiday lights and bustling Christmas markets. The arrival of snow further boosts the city’s charm, dressing it in a white blanket. Each flake is a cue for the fun-filled winter festivities that include ice skating, sledding, and warming up with a cup of hot wine. The winter cold may range around 3.6°C (38.5°F), but the city’s festive warmth is enough to keep the chill at bay.

Temperature

Bratislava observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 9°C (48.2°F) to a cold 3.6°C (38.5°F). December's average low-temperature is a freezing cold -0.8°C (30.6°F), reflecting a minor difference from the day's peak temperatures.

Humidity

The average relative humidity in December is 83%.

Rainfall

In December, the rain falls for 10.5 days. Throughout December, 34mm (1.34") of precipitation is accumulated. Throughout the year, in Bratislava, there are 132.9 rainfall days, and 403mm (15.87") of precipitation is accumulated.

Snowfall

Months with snowfall in Bratislava are January through April, October through December. In Bratislava, during December, snow falls for 3.9 days and regularly aggregates up to 40mm (1.57") of snow. In Bratislava, during the entire year, snow falls for 22.6 days and aggregates up to 242mm (9.53") of snow.

Daylight

The month with the shortest days in Bratislava, Slovakia, is December, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 07:21 and sunset at 16:00. On the last day of December, sunrise is at 07:41 and sunset at 16:07 CET.

Sunshine

In Bratislava, the average sunshine in December is 4.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bratislava. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 2 during December leads to these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

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Frequently asked questions

How cold is December in Bratislava?

In Bratislava, 3.6°C (38.5°F) is the average high-temperature and -0.8°C (30.6°F) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 29°C (84.2°F).

What is the average humidity in December in Bratislava?

In December, the average relative humidity in Bratislava is 83%.

How many days does it rain in December in Bratislava?

In Bratislava, in December, it is raining for 10.5 days, with typically 34mm (1.34") of accumulated precipitation.

How much does it snow in Bratislava in December?

In December, it is snowing for 3.9 days. Throughout December, 40mm (1.57") of snow is accumulated.

What is the month with the shortest days in Bratislava?

With an average of 8h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Bratislava?

The average day length in December in Bratislava is 8h and 26min.

When is the sunrise / sunset in December in Bratislava?

On the first day of December in Bratislava, sunrise is at 07:21 and sunset at 16:00. On the last day of the month, sunrise is at 07:41 and sunset at 16:07 CET.

How many hours of sunshine does Bratislava have in December?

In December, the average sunshine duration in Bratislava is 4.7h.

When is the lowest UV index in Bratislava?

The months with the lowest UV index in Bratislava are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Bratislava?

In Bratislava, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk 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

9°C 48.2°F

3.6°C 38.5°F

2.2°C 36°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14.7km/h 9.1mph

15.1km/h 9.4mph

14.5km/h 9mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

18.5

16.6

14.6

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Bratislava, Slovakia

Average high temperature in December: 3.6°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 (2.2°C).

Average low temperature in December: -0.8°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is January (-2.7°C).

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Average pressure in December
Bratislava, Slovakia

Average pressure in December: 1020.2mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is June (1014.9mbar).

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Average wind speed in December
Bratislava, Slovakia

Average wind speed in December: 13.8km/h

The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

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Average humidity in December
Bratislava, Slovakia

Average humidity in December: 83%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in December
Bratislava, Slovakia

Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is June (57mm).
The driest month (with the least rainfall) is April (22mm).

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Average rainfall days in December
Bratislava, Slovakia

Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in December
Bratislava, Slovakia

Average snowfall in December: 40mm

The month with the highest snowfall is January (107mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in December
Bratislava, Slovakia

Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Bratislava, Slovakia

Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

Average sunshine in December: 4h and 4min

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).

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Average sunshine days in December
Bratislava, Slovakia

Average sunshine days in December: 16.6 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in December
Bratislava, Slovakia

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).

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Average cloud cover in December
Bratislava, Slovakia

Average cloud cover in December: 53

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in December
Bratislava, Slovakia

Average visibility in December: 9km

The months with the highest visibility are March, April, June, July, August and September (10km).
The month with the lowest visibility is January (8km).

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December weather forecast
Bratislava, Slovakia

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