Weather radar Cluj-Napoca
Real-time precipitation radar · Siebenbürgen · Romania
Cluj-Napoca climate table – average temperature, precipitation & sunshine hours
The climate table for Cluj-Napoca shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 4.7° | 7.3° | 11.5° | 15° | 19.8° | 25.6° | 27.8° | 27.4° | 22.2° | 16.4° | 9.7° | 5.4° |
| Avg low (°C) | -1.4° | -1.1° | 1.2° | 5° | 9.6° | 14.1° | 15.8° | 15.1° | 11.8° | 5.9° | 2.5° | 0.4° |
| Precipitation (mm) | 41 | 41 | 53 | 74 | 96 | 76 | 108 | 79 | 83 | 30 | 64 | 54 |
| Rainy days | 11 | 9 | 9 | 15 | 15 | 14 | 14 | 12 | 13 | 8 | 12 | 11 |
| Sunshine hours | 165 | 191 | 262 | 293 | 341 | 395 | 389 | 362 | 270 | 247 | 163 | 147 |
| Humidity | 84% | 77% | 69% | 72% | 72% | 72% | 71% | 72% | 77% | 80% | 87% | 88% |
Best time to visit Cluj-Napoca
The best time to visit Cluj-Napoca is typically August. In this month the average high is 27.4°C, precipitation is 79 mm and sunshine duration is 362 hours. The annual average high is 16.1°C, total annual precipitation is 799 mm (143 rainy days/year) and annual sunshine is 3225 hours.
Frequently asked questions about the weather in Cluj-Napoca
How up to date is the weather radar for Cluj-Napoca?
The weather radar for Cluj-Napoca is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Cluj-Napoca?
Besides the rain radar, RadarWeather provides for Cluj-Napoca: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Cluj-Napoca?
The thunderstorm potential for Cluj-Napoca is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Cluj-Napoca.
What is the climate like in Cluj-Napoca?
Cluj-Napoca has an annual average high of 16.1°C. The warmest month is July (avg high 27.8°C), the coldest January (avg low -1.4°C). The wettest month is July with 108 mm, the driest October with 30 mm. Total annual precipitation is 799 mm (143 rainy days). Annual sunshine is 3225 hours.