Mielno Weather in December
Thinking of visiting Mielno in December? Expect low temperatures reaching 5°C (41°F) during the day, dropping to 1°C (34°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Mielno in December
You can typically expect 18 days of rain this month, averaging around 76 mm (3 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Mielno in December
December in Mielno brings low temperatures, with highs of 5°C (41°F) and nights around 1°C (34°F). During December, you'll experience the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Mielno in December
This month is characterized by fewer sunny days, with about 27 hours of sunshine. It's great for those who appreciate cooler, less sunny days.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Mielno. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Mielno's climate page.
Mielno Temperature in December
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Mielno typically stay consistent throughout December, with daily highs averaging around 5°C (41°F). Nights are very cold, with lows typically ranging from -1°C (30°F) to 1°C (34°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Mielno in December
Browse day-by-day weather records for Mielno spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mielno historical weather extremes in December
Based on 43 years of weather observations (1982-2025), these are the most extreme conditions recorded in Mielno.
- On December 6, 2006, temperatures climbed to 13°C (55°F), marking the warmest December day on record.
- The lowest overnight temperature recorded in December was -17°C (1°F) (December 20, 2009).
- The wettest day in December Mielno was on December 12, 2008 with 23 mm (0.9 in) of precipitation.
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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What to Wear in Mielno in December
Dress warmly and in layers for your trip to Mielno in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Mielno in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Mielno's climate page.
See the full Mielno climate overview or explore weather in Poland.