December weather forecastKaunas, Lithuania

Weather in December

December marks the onset of winter in Kaunas. With Christmas and New Year festivities in full swing, the city dresses up in beautiful lights and decorations despite the cold. As temperatures drop further to a lower limit of -4.9°C (23.2°F), the city experiences short daylight hours, culminating in long winter nights. It is the month where warm clothing and cozy indoor activities dominate the scene, embracing the winter season with its striking charm.

Temperature

December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's wintry 4.4°C (39.9°F) to a still cold 0°C (32°F). Nighttime temperature sees a small decrement from daytime highs, dipping to an average of -4.9°C (23.2°F) during December.

Humidity

In December, the average relative humidity is 89.1%.

Rainfall

In Kaunas, in December, during 20.9 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Kaunas, during the entire year, the rain falls for 187.5 days and collects up to 627mm (24.69") of precipitation.

Daylight

The month with the shortest days is December, with an average of 7h and 18min of daylight.
On the first day of December, sunrise is at 08:25 and sunset at 16:01. On the last day of the month, sunrise is at 08:48 and sunset at 16:06 EET.

Sunshine

With an average of 0.9h of sunshine, December has the least sunshine of the year in Kaunas.

UV index

January and December, with an average maximum UV index of 0, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 0 in December translates into these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.