Koper UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index4.6
- Avg Clouds73%
- Max Temp20 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Koper, Slovenia 
will reach a high of 4.6 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-23
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.
Koper's UV Index
The UV index in Koper, Slovenia, generally ranges from low to moderate, peaking during the summer months. This means sunlight intensity varies with the seasons, being strongest around noon in summer.
Weather Seasons
Koper experiences warm summers and mild winters. Summers are sunny and dry, while winters can be cool and wetter. Spring and autumn bring moderate temperatures with occasional rain, making the weather change smoothly throughout the year.
Koper's Climate
Compared to the wider region, Koper has a mild coastal climate influenced by the Adriatic Sea. It is warmer and less snowy than inland Slovenia. Neighboring Croatia shares similar coastal weather, while countries farther inland usually have colder winters and more temperature extremes.
Hourly UV Index Trend
See the UV index hour by hour for Koper. When the level is high, it's smart to find some shade.
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