Last updated: May 3, 2025
In Sillamaee, Estonia, staying informed about the UV Index is essential for protecting your skin and overall health. Understanding UV levels is crucial not just for preventing sunburn but also for maintaining long-term skin health as UV exposure can lead to serious conditions over time. With Sillamaee's Dfb climate, residents face varying degrees of UV radiation throughout the year, especially during the sunniest hours when the UV Index can peak at 5. By keeping an eye on the UV Index, you can make informed decisions about sun protection measures, ensuring your enjoyment of the outdoors while minimizing the risks associated with UV exposure.
As the sun rises, the UV Index starts off low at 1 at 07:00, indicating minimal risk for sun exposure. It gradually ascends to 5 by noon, peaking at 5 from 12:00 to 14:00—a time when staying shaded or wearing sunscreen is highly advisable. The afternoon sees a slight decline, dipping back to 4 at 15:00 and further down to 2 by 17:00, as the day winds down. Finally, the UV Index settles at 1 again by 19:00, providing a gentle reminder of the sun's waning influence. This hourly pattern underscores the importance of being sun-smart, especially during the peak hours when the index is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal variation, with the highest levels occurring in the summer months of June and July, where it reaches a high level of 7, resulting in a burn time of only 25 minutes. May also presents a moderate risk with an index of 5, while March and April see a gradual increase to a moderate category, peaking at 4. Conversely, the winter months of January, February, October, November, and December feature a low UV Index of 1 or 2, allowing for safer, longer exposure times of 45 minutes. For visitors and residents, it is crucial to be particularly cautious from May through August, when the risk of UV exposure is significantly higher. During these months, it is advisable to wear protective clothing and sunscreen, particularly during midday hours, to reduce the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tallinn UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Kohtla-Jaerve UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Sillamaee | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Narva UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Paernu UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Tartu UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |