UV Index in Randogne, Switzerland

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors of Randogne, Switzerland, where the stunning alpine scenery comes with significant sun exposure risks. As the sun's rays can lead to sunburns and long-term skin damage, being informed about daily UV levels is essential for safeguarding your skin health. Given Randogne's high-altitude climate in the ET zone, UV exposure can be deceptively intense, peaking at a UV Index of 10 during midday hours. Staying aware of these levels not only helps in planning outdoor activities but also ensures that you enjoy the breathtaking beauty of the region safely.

Hourly UV Index in Randogne

As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Randogne

Throughout the year, UV exposure varies significantly, with the high-risk months typically occurring from March to August. During this period, UV Index values peak, reaching 11 in June, categorized as extreme, with a burn time of only 10 minutes. The very high category, with indices of 8 to 10, persists from April through July, signaling a critical need for skin protection. Conversely, the lower risk months of November and December present a notable decline in UV exposure, dropping to an index of 3 and 2, respectively, where burn times increase to 30 and 45 minutes. Visitors and residents should be especially vigilant during the spring and summer months, employing sunscreen, protective clothing, and seeking shade during peak hours to shield themselves from harmful UV rays.

Monthly Maximum UV Index for Randogne, Switzerland

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Randogne. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Randogne, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Randogne UV Index with Other Switzerland Cities

The table above highlights how UV exposure in Randogne compares to other major locations across Switzerland. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Randogne's solar exposure compared to other cities in Switzerland. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Basel UVI	2	3	5	6	8	9	9	8	6	4	2	1
Bern UVI	2	3	5	6	8	9	9	8	6	4	2	2
Zurich UVI	2	3	5	6	8	9	9	8	6	4	3	2
Geneve UVI	2	3	6	7	8	10	9	8	7	5	3	2
Lausanne UVI	2	4	6	7	8	10	9	9	7	5	3	2
Randogne	3	4	7	8	10	11	10	9	7	6	3	2