December in Alba Iulia brings low temperatures, with highs of 4°C (39°F) and nights dropping to -3°C (27°F). Expect some snow/rainfall, with around 49 mm (1.9 in) typical for the month.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, August and September typically offer the best weather for Alba Iulia.
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Pick a month to see the average temperature, rainfall and sunshine in Alba Iulia - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Alba Iulia typically stay consistent throughout December, with daily highs averaging around 4°C (39°F). Nights are very cold, with lows typically ranging from -5°C (23°F) to -1°C (30°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Alba Iulia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 49 years of weather records for Alba Iulia, the following extremes were recorded between 1976 and 2025.
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 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).
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. With limited sunshine expected, sunglasses aren't a priority for packing.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Alba Iulia climate overview or explore weather in Romania.
Where to go in December - average daytime high across popular destinations.
Eforie Nord
8°C (46°F) Constanţa8°C (46°F) Mamaia8°C (46°F) Timişoara
6°C (43°F) Bucharest5°C (41°F) Sibiu3°C (37°F) Braşov2°C (36°F) Cluj-Napoca3°C (37°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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