Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Hayanist, Armenia, as it plays a significant role in safeguarding your skin's health. The UV Index measures the strength of ultraviolet (UV) radiation, which can lead to sunburn and long-term skin damage if not monitored properly. Hayanist experiences a Dfa climate, characterized by hot summers and varying UV exposure throughout the day. Between 11:00 AM and 1:00 PM, when the Index peaks at 11, awareness is essential to minimize risks. By staying informed about UV levels, you can enjoy the sunny days while protecting your skin effectively.
The UV Index data highlights a dramatic rise in sun intensity as the day progresses. Starting early at 1 around 7:00 AM, it gradually climbs to 10 by noon, peaking at a staggering 11 at 1:00 PM. This is the moment when UV exposure becomes most concerning, emphasizing the importance of sun protection. As the afternoon unfolds, the index gracefully tapers down, dipping to 8 by 3:00 PM and further declining to 4 by 5:00 PM. By the time evening rolls in, the UV Index settles back to 1 at 7:00 PM, signaling a reprieve from the midday sun. This data can be a crucial guide for planning outdoor activities safely throughout the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Seasonal changes in UV exposure reveal significant fluctuations throughout the year. January and February have moderate UV Index levels (3 and 5, respectively), with a burn time of 30 minutes, making them relatively safer months for outdoor activities. However, as spring approaches, March and April see a sharp increase to a very high UV Index of 8, shortening burn time to just 15 minutes. The most critical months for UV exposure are May and June, when the UV Index peaks at 10 and 11 (extreme), respectively, requiring cautious exposure with a burn time of only 10 minutes. Continuing into July and August, the high risk persists with an extreme UV Index of 11 and 10, emphasizing the need for protective measures. September also remains high at an index of 9. As temperatures cool, October and November see a decline, with the UV Index dropping to 7 and 4, but vigilance is still recommended. By December, the UV Index falls to a low 2, allowing for safer outdoor time of up to 45 minutes. Residents and visitors should prioritize sun protection during the high-risk months of March through August, including hats, sunglasses, and sunscreen, to minimize UV damage and ensure safety.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hayanist | 3 | 5 | 8 | 8 | 10 | 11 | 11 | 10 | 9 | 7 | 4 | 2 |
| Gyumri UVI | 3 | 5 | 8 | 9 | 11 | 12 | 12 | 10 | 9 | 7 | 4 | 3 |
| Vagharshapat UVI | 3 | 5 | 9 | 9 | 11 | 12 | 12 | 10 | 9 | 7 | 4 | 3 |
| Yerevan UVI | 3 | 5 | 9 | 9 | 11 | 12 | 12 | 10 | 9 | 7 | 4 | 3 |
| Vanadzor UVI | 3 | 5 | 10 | 9 | 11 | 12 | 12 | 10 | 9 | 7 | 4 | 3 |
| Hrazdan UVI | 3 | 5 | 10 | 9 | 11 | 12 | 12 | 10 | 9 | 7 | 4 | 3 |