Climate averages 1991–2020
Bucharest weather
in December.
A cold, moderately wet month: the 11th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Bucharest: daytime highs average 4.3°C and nights cool to about -2.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 44 mm of rain on roughly 7 days, which makes December a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 55 min on an average December day.
The nearest other city in this atlas is Ploieşti (58 km away). In December its highs average 4.4°C, about as warm as Bucharest, with 49 mm of rain.
Among the 27 cities listed in Romania, Bucharest ranks 12th of 27 for the warmest December highs and 13th of 27 for the driest December (rainfall, lowest first). The mean December high of those 27 cities is 3.8°C; Bucharest is 0.5°C warmer than that mean.
From December to January, average highs fall by 1.5°C to 2.8°C, and monthly rainfall falls from 44 mm to 39 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Bucharest climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.8°C-4.6°C | -4.6°C | 39 | 6.5 | 9.39 h |
| February | 6.0°C-3.0°C | -3.0°C | 33 | 6.3 | 10.410 h |
| March | 11.3°C1.1°C | 1.1°C | 46 | 8.4 | 11.912 h |
| April | 17.3°C6.3°C | 6.3°C | 57 | 9.5 | 13.413 h |
| May | 22.6°C11.8°C | 11.8°C | 70 | 11.1 | 14.815 h |
| June | 26.4°C16.1°C | 16.1°C | 88 | 12.3 | 15.515 h |
| July | 28.6°C18.3°C | 18.3°C | 79 | 10.0 | 15.215 h |
| August | 28.8°C18.4°C | 18.4°C | 49 | 7.4 | 14.014 h |
| September | 23.4°C13.6°C | 13.6°C | 60 | 6.3 | 12.613 h |
| October | 17.0°C8.2°C | 8.2°C | 53 | 7.1 | 11.011 h |
| November | 10.3°C2.8°C | 2.8°C | 45 | 6.8 | 9.710 h |
| December, selected | 4.3°C-2.5°C | -2.5°C | 44 | 6.9 | 8.99 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Ploieşti in DecemberRomania · 58 kmHigh 4.4°C · Low -3.0°C · 49 mm rain
- Ruse in DecemberBulgaria · 66 kmHigh 5.4°C · Low -1.4°C · 46 mm rain
- Buzău in DecemberRomania · 98 kmHigh 4.6°C · Low -2.3°C · 43 mm rain
- Piteşti in DecemberRomania · 109 kmHigh 4.1°C · Low -2.9°C · 49 mm rain
- Braşov in DecemberRomania · 141 kmHigh 3.1°C · Low -3.9°C · 43 mm rain
- Shumen in DecemberBulgaria · 145 kmHigh 5.4°C · Low -1.6°C · 50 mm rain
- Râmnicu Vâlcea in DecemberRomania · 156 kmHigh 5.1°C · Low -2.3°C · 61 mm rain
- Pleven in DecemberBulgaria · 164 kmHigh 5.7°C · Low -1.6°C · 42 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bucharest) is explained once on the Bucharest year overview and on the Sources, method and limits page.