Costinesti Weather in December
December in Costinesti typically sees daytime highs of 8°C (46°F) and nighttime lows of 3°C (37°F). Expect some rainfall during the month. It falls within the winter season.
Rainfall in Costinesti in December
You can expect rain on around 10 days based on historical patterns, with 52 mm (2 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Costinesti in December
Costinesti in December gets highs of 8°C (46°F) during the day and drops to 3°C (37°F) at night. December is typically considered a winter month. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Costinesti in December
The area sees fewer sunny days, with a projection of about 81 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Costinesti.
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 Costinesti's climate page.
Costinesti Temperature in December
Min Temperature
3°C (37°F)
Max Temperature
8°C (46°F)
Chance of Rain
33%
Precipitation
52 mm (2 in)
Rainy days
10 days
Humidity
88% *
Sunshine
81 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Costinesti typically stay consistent throughout December, with daily highs averaging around 8°C (46°F). Nights are very cold, with lows typically ranging from -2°C (28°F) to 2°C (36°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 Costinesti in December
Browse day-by-day weather records for Costinesti spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Costinesti historical weather extremes in December
The extremes listed below come from historical weather data collected in Costinesti from 1997 through 2025.
- On December 2, 2023, temperatures climbed to 20°C (68°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
pleasant
tolerable
unpleasant
poor
What to Wear in Costinesti in December
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.What To Do in Costinesti 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 Costinesti's climate page.
Temperature Rainfall Sunshine Humidity
See the full Costinesti climate overview or explore weather in Romania.
