UV Index
Merl UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index6.6
- Avg Clouds77%
- Max Temp20.1 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Merl, Luxembourg 
will reach a high of 6.6 today. This means a high level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-01
Hourly Forecast Chart
Today's Safety Tips
Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.
Merl's UV Index
In Merl, Luxembourg, the UV index is usually moderate, ranging from 3 to 6 during most of the year, with higher values around summer months when the sun is strongest. Seasonal patterns show cool winters with temperatures around freezing, and mild to warm summers with temperatures often between 20°C and 25°C. Rain is spread fairly evenly throughout the year, with occasional snow in winter. Compared to the wider region, Merl has a climate similar to much of Luxembourg and neighboring countries like Belgium and Germany, featuring a temperate oceanic climate with moderate rainfall and no extreme temperatures. It tends to be less sunny than southern European countries but more consistent in rainfall than some nearby areas.
Hourly UV Index Trend
See the UV index hour by hour for Merl. When the level is high, it's smart to find some shade.
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