Last updated: July 2, 2025
Understanding the UV Index in Charrat, Switzerland is vital for safeguarding your skin health while enjoying the sun's rays. With typical exposure risks peaking under the clear skies of this ET climate zone, being aware of UV levels helps prevent painful sunburns and long-term skin damage. Peak UV Index readings can soar as high as 10 around midday, highlighting the importance of protection during these hours. By staying informed about the UV Index, residents and visitors alike can enjoy the stunning Alpine beauty of Charrat while keeping their skin safe and healthy.
As the sun rises, the UV Index begins its ascent, starting at a modest 1 at 07:00 and gradually climbing throughout the morning. By 10:00, it reaches 5, signaling the time to lather on that sunscreen. The peak arrives between 13:00 and 14:00, hitting a maximum of 10, indicating that protective measures are essential. As the afternoon progresses, the index dips slightly to 9 at 15:00, and continues to decline, reaching 3 by 18:00. By the time the sun sinks, the UV threat diminishes to 2 at 19:00, making it clear that midday sun worshippers should be particularly cautious, while evening strollers can enjoy the waning rays with less concern.
| 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 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal fluctuations, with the highest levels occurring during late spring and summer months. March to August marks the high-risk period, where the UV Index reaches very high (8-10) and even extreme (11) levels in June, necessitating increased sun protection measures. For instance, during June, the burn time is only 10 minutes, compared to 30 minutes in the cooler months of January and February. As summer closes, the UV risk diminishes, but September and October still carry a high index, emphasizing the need for caution. Visitors and residents should prioritize sun safety in March through August by wearing protective clothing, using sunscreen, and limiting direct sun exposure during peak hours. Meanwhile, during the cooler months, when UV levels drop, caution is still advisable, although the risk significantly lessens.
UV Risk Categories
| 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 |
| Charrat | 3 | 5 | 8 | 9 | 10 | 11 | 10 | 9 | 7 | 6 | 3 | 2 |