December weather forecastBratislava, Slovakia
December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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).
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).
Average daylight in December /
Average sunshine in December
Bratislava, Slovakia
- Average daylight in December: 8h and 24min
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 42min
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
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).
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).
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).
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).
