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Sejny Weather in December

In Sejny, December brings low daytime temperatures around 2°C (36°F), with nights cooling to -3°C (27°F). Some snow/rainfall is to be expected.

Rainfall in Sejny in December

Typically, about 18 days will experience snow/rainfall, with an average of 50 mm (2 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Sejny in December

December in Sejny sees highs of 2°C (36°F) and lows of -3°C (27°F) overnight. December is typically considered a winter month. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. At -3°C (27°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This month is known for its biting cold, so make sure to dress warmly. Proper preparation can help you stay cozy.

December in Sejny has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Poland, check out our Sejny's climate page.

Sejny Temperature in December

Min TemperatureMin Temperature -3°C (27°F)  
Max TemperatureMax Temperature 2°C (36°F)  
Chance of RainChance of Rain 61%  
PrecipitationPrecipitation 50 mm (2 in)  
Rainy daysRainy days 18 days  

Best Places in Poland in December

Find out more about the weather in Poland and which places have the best travel conditions in this month. See all of Poland in December →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Sejny in December

We recommend to layer up for chilly conditions in Sejny in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket.

What To Do in Sejny in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
3/10
Walking
3/10
Barbeque
1/10
Camping
1/10
Outdoor sports
3/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Poland, check out our Sejny's climate page.

More climate data for Sejny