Climate averages 1991–2020
Cluj-Napoca weather
in December.
A cold, moderately wet month: the 11th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Cluj-Napoca: daytime highs average 2.8°C and nights cool to about -3.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 43 mm of rain on roughly 9 days, which makes December a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 37 min on an average December day.
The nearest other city in this atlas is Târgu Mureş (77 km away). In December its highs average 3.1°C, about as warm as Cluj-Napoca, with 41 mm of rain.
Among the 27 cities listed in Romania, Cluj-Napoca ranks joint 22nd of 27 for the warmest December highs and joint 10th of 27 for the driest December (rainfall, lowest first). The mean December high of those 27 cities is 3.8°C; Cluj-Napoca is 1.0°C cooler than that mean.
From December to January, average highs fall by 1.1°C to 1.7°C, and monthly precipitation falls from 43 mm to 33 mm.
The annual picture
December in context
Monthly precipitation
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
Cluj-Napoca climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.7°C-5.6°C | -5.6°C | 33 | 8.0 | 9.09 h |
| February | 4.1°C-4.6°C | -4.6°C | 35 | 9.3 | 10.310 h |
| March | 9.1°C-1.1°C | -1.1°C | 49 | 10.0 | 11.912 h |
| April | 15.0°C3.8°C | 3.8°C | 67 | 12.6 | 13.614 h |
| May | 19.6°C9.0°C | 9.0°C | 89 | 15.8 | 15.015 h |
| June | 23.0°C12.8°C | 12.8°C | 107 | 15.9 | 15.816 h |
| July | 24.8°C14.5°C | 14.5°C | 102 | 15.6 | 15.515 h |
| August | 25.0°C14.5°C | 14.5°C | 84 | 12.4 | 14.214 h |
| September | 20.0°C10.2°C | 10.2°C | 71 | 10.3 | 12.613 h |
| October | 14.6°C5.0°C | 5.0°C | 56 | 9.0 | 10.911 h |
| November | 8.5°C0.5°C | 0.5°C | 42 | 8.6 | 9.49 h |
| December, selected | 2.8°C-3.7°C | -3.7°C | 43 | 8.8 | 8.69 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Târgu Mureş in DecemberRomania · 77 kmHigh 3.1°C · Low -3.5°C · 41 mm rain
- Bistriţa in DecemberRomania · 80 kmHigh 2.1°C · Low -4.6°C · 64 mm rain
- Baia Mare in DecemberRomania · 99 kmHigh 3.0°C · Low -2.5°C · 84 mm rain
- Sibiu in DecemberRomania · 115 kmHigh 3.3°C · Low -3.8°C · 51 mm rain
- Satu Mare in DecemberRomania · 128 kmHigh 3.2°C · Low -2.4°C · 59 mm rain
- Oradea in DecemberRomania · 131 kmHigh 4.2°C · Low -1.3°C · 59 mm rain
- Debrecen in DecemberHungary · 172 kmHigh 3.4°C · Low -1.8°C · 46 mm rain
- Arad in DecemberRomania · 186 kmHigh 4.6°C · Low -1.1°C · 50 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 Cluj-Napoca) is explained once on the Cluj-Napoca year overview and on the Sources, method and limits page.