Mamaia Weather in December
During December, Mamaia experiences low daytime temperatures of 8°C (46°F) and cooler nights around 2°C (36°F). As part of the winter season, some rainfall is to be expected.
Rainfall in Mamaia in December
You can typically expect 10 days of rain this month, averaging around 49 mm (1.9 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Mamaia in December
December in Mamaia sees highs of 8°C (46°F) and lows of 2°C (36°F) overnight. Winter occurs in December. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights fall to 2°C (36°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 Mamaia in December
This month is characterized by fewer sunny days, with about 81 hours of sunshine. It's great for those who appreciate cooler, less sunny days.
Wind Speed in Mamaia in December
Average wind conditions reach 5 m/s (10 knots) in December. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.
Average water temperature in December
The water sits at 11°C (52°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Mamaia. 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 Romania, check out our Mamaia's climate page.
Mamaia Temperature in December
Min Temperature
2°C (36°F)
Max Temperature
8°C (46°F)
Water Temperature
11°C (52°F) *
Chance of Rain
34%
Precipitation
49 mm (1.9 in)
Rainy days
10 days
Humidity
88% *
Windspeed
5 m/s (10 knots) *
Sunshine
81 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mamaia typically stay consistent throughout December, with daily highs averaging around 8°C (46°F). Nights are cold, with lows typically ranging from -1°C (30°F) to 2°C (36°F).
Average temperatures in December
Daily Historical Precipitation
50-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 Mamaia in December
Browse day-by-day weather records for Mamaia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mamaia historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Mamaia.
- On December 2, 2023, temperatures climbed to 21°C (70°F), marking the warmest December day on record.
Best Places in Romania in December
Find out more about the weather in Romania and which places have the best travel conditions in this month. See all of Romania in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Mamaia in December
Dress warmly and in layers for your trip to Mamaia 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. Expect water temperatures of around 11°C (52°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Mamaia 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 Romania, check out our Mamaia's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Mamaia climate overview or explore weather in Romania.
