Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Rietavas, Lithuania, especially with its temperate climate that can lead to varying UV exposure. Awareness of the UV levels throughout the day ensures effective sunburn prevention and promotes long-term skin health, as the risks can escalate during the midday hours when UV readings peak at 7. With the day's maximum levels falling between 11 AM and 3 PM, it's essential to take protective measures during these hours to safeguard against skin damage while enjoying the beautiful outdoors in Rietavas.
The UV index data reveals a dynamic pattern in sun exposure throughout the day. Starting off gently, the index registers a low of 1 at 07:00, gradually climbing to a moderate 2 by 08:00. As the day progresses, the sun strengthens, peaking at a high 7 around noon and maintaining this intensity until 15:00. This marks the most crucial time to take precautions against UV radiation. Following this peak, the index begins a steady decline, returning to a moderate 2 by 19:00. To make the most of your day outdoors, consider sunscreen and protective gear during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure changes significantly, with high-risk months occurring from May to August when the UV Index reaches levels of 6 or 7, indicating a high risk of harm from unprotected sun exposure. During these months, burn time is reduced to just 25 minutes, requiring extra precautions. In contrast, the winter months of January, February, November, and December have a low UV Index of 1 or 2, allowing for a safer sun exposure time of up to 45 minutes. As UV levels rise in the spring during March and April (moderate exposure), it’s essential for visitors and residents to stay vigilant. To protect against potential skin damage, it is advisable to use sunscreen, wear protective clothing, and seek shade, especially during peak sun hours in the high-risk months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siauliai UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Panevezys UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Klaipeda UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Rietavas | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Kaunas UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Vilnius UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |