Last updated: July 2, 2025
Understanding the UV Index in Aloja, Latvia is crucial for safeguarding your skin health and preventing harmful sunburns. With a climate classified as Dfb, Aloja experiences various UV exposure risks throughout the year, especially during peak hours when levels can reach up to 7. By staying informed about daily UV levels, you can take necessary precautions to enjoy the sun safely and protect yourself from long-term skin damage. Whether you're planning outdoor activities or just soaking up some rays, knowing the UV Index helps ensure a healthier, more enjoyable experience in the sun.
The UV Index for the day reveals a progressively intense sun! Early risers will notice a mild Index of 1 at 7:00 AM, gradually climbing to a moderate 4 by 10:00 AM. The peak occurs between 1:00 PM and 2:00 PM, where it reaches a height of 7, signaling the need for sun protection. By the time we reach the late afternoon, the index begins to fade, dropping to a 5 at 4:00 PM and continuing to decline, finally returning to a gentle level of 1 by 7:00 PM. As the day progresses, it's essential to stay mindful of the UV intensity—plan your outdoor activities accordingly!
| 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 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | 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 |
Throughout the year, the UV Index shows significant seasonal variation that affects sun exposure risk for both visitors and residents. From January to March, UV levels remain low to moderate (1 to 3), indicating a safe environment for most outdoor activities, with reasonable burn times of 45 minutes. April and May bring an increase to a moderate level (5), reducing burn time to 30 minutes. The high-risk months are June, July, and August, where UV Index values peak at 7 and 6, respectively, with a burn time of just 25 minutes—caution is advised during these months as protection from the sun is crucial. Fall months see a decline, with a moderate index in September (4) and returning to low levels (2 and 1) in October through December, allowing for safer outdoor experiences. Visitors and residents are encouraged to stay informed about the UV Index, use sunscreen, wear protective clothing, and limit direct sun exposure, especially during the high-risk summer months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aloja | 1 | 2 | 3 | 5 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Riga UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Jurmala UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Jelgava UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Liepaja UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Daugavpils UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 3 | 2 | 1 |