UV Index in Klosters Serneus, Switzerland

Last updated: June 2, 2025

Understanding the UV Index in Klosters Serneus, Switzerland, is essential for maintaining optimal skin health and preventing sunburn. With the unique ET climate of Klosters, which offers stunning alpine beauty, residents and visitors must be aware of the UV exposure risks that peak during midday hours. Notably, the UV Index can reach as high as 10 around 1 PM, indicating a critical need for protective measures to shield against harmful rays. By staying informed about UV levels, you can enjoy the breathtaking outdoors while keeping your skin safe and healthy.

Hourly UV Index in Klosters Serneus

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 Klosters Serneus

Throughout the year, the UV Index exhibits significant seasonal fluctuations, with the highest risks occurring during the late spring and summer months. From May to July, the UV Index peaks at 8 to 10, categorized as very high, which corresponds to a burn time of only 15 minutes. April and August also present high exposure levels, with indices of 7 and 8 respectively. In contrast, the winter months of January and December have low UV exposure (Index 2) with much longer burn times of 45 minutes. For visitors and residents, it is crucial to remain vigilant during March through August, applying sunscreen, wearing protective clothing, and seeking shade to mitigate the risks of UV exposure during these high-risk months.

Monthly Maximum UV Index for Klosters Serneus, Switzerland

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Klosters Serneus. 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 Klosters Serneus, 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 Klosters Serneus UV Index with Other Switzerland Cities

The table above highlights how UV exposure in Klosters Serneus 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.

Klosters Serneus'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
Klosters Serneus	2	4	6	7	8	10	10	8	7	5	3	2
Lausanne UVI	2	4	6	7	8	10	9	9	7	5	3	2