Cluj-Napoca UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index3.5
- Avg Clouds52%
- Max Temp11.8 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Cluj-Napoca, Romania 
will reach a high of 3.5 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-30
Hourly Forecast Chart
Today's Safety Tips
The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.
Cluj-Napoca's UV Index
The UV index in Cluj-Napoca varies throughout the year, peaking around 7 to 8 during the summer months and dropping to 0 or 1 in the winter. It is moderate in spring and autumn.
Weather Seasons
Cluj-Napoca has four distinct seasons: cold winters with snow from December to February, warm springs in March to May, hot summers from June to August, and cool, rainy autumns in September to November. Rainfall is spread fairly evenly year-round.
Cluj-Napoca's Climate
Compared to other parts of Romania, Cluj-Napoca is cooler due to its higher altitude and inland location. It is colder than cities near the Black Sea but warmer than mountainous regions. Its climate is similar to nearby Transylvanian cities but less extreme than in the Carpathians.
Hourly UV Index Trend
See the UV index hour by hour for Cluj-Napoca. When the level is high, it's smart to find some shade.
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