Aarau UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.5
- Avg Clouds42%
- Max Temp19.8 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Aarau, Switzerland 
will reach a high of 5.5 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-11
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.
Aarau's UV Index
Aarau, Switzerland has a moderate UV index that varies throughout the year, generally ranging from low to moderate levels. UV intensity peaks in summer months, especially June and July, and is lowest during winter.
Weather Seasons
Seasonally, Aarau experiences warm summers with temperatures often in the low to mid-20s Celsius and cold winters with occasional snow and temperatures around freezing. Spring and autumn bring mild and variable weather with occasional rain showers.
Aarau's Climate
Compared to neighboring countries like France and Germany, Aarau’s weather is similar but slightly cooler due to its elevation. Its UV index is generally lower than southern Switzerland but comparable to other northern Swiss cities and nearby European regions.
Hourly UV Index Trend
See the UV index hour by hour for Aarau. When the level is high, it's smart to find some shade.
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