Last updated: June 2, 2025
In Sillamaee, Estonia, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, especially during the warm months when exposure can peak. With a continental climate that brings sunny days, it’s essential to recognize that the UV Index can reach a maximum of 7 around midday—signifying a high risk of harm from unprotected sun exposure. Stay informed to enjoy the sun safely while keeping your skin healthy!
Starting the day with a gentle touch of UV rays, the UV Index reaches its peak at 1 by 7:00 AM, increasing gradually to 2 by 8:00 AM. The sun’s intensity climbs throughout the morning, hitting 3 at 9:00 AM and soaring to 4 by 10:00 AM. The midday sun brings a sharper sting, as the index soars to 6 at 11:00 AM and remains there until noon. The highest point of 7 is recorded at 1:00 PM, marking the sun's strongest hour. The intensity gradually descends in the afternoon, dipping to 6 at 2:00 PM, and maintaining this level until 3:00 PM. By 4:00 PM, it begins to decline further, reaching 5 by late afternoon. As the sun sets, the index drops swiftly, returning to 2 by 6:00 PM and settling back to a safe 1 by 7:00 PM, inviting a gentle evening respite.
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 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 |