Last updated: July 2, 2025
Understanding the UV Index in Nyah, Australia is crucial for safeguarding your skin against the harmful effects of ultraviolet radiation. With a climate classified as BSk, Nyah experiences significant UV exposure, particularly during the midday hours when UV levels peak at 4. Being aware of these levels helps to prevent sunburn and promotes overall skin health, allowing residents and visitors to enjoy the sunny outdoors safely. As UV exposure can lead to long-term skin issues, it’s essential to stay informed and take appropriate precautions when the index rises, especially between 11 AM and 1 PM when the risk is greatest.
The UV Index for the day unfolds a fascinating journey through the hours, starting with a maximum of 0 at 7:00 AM, indicating a safe start to the morning. As the sun ascends, the index gradually climbs to 1 by 8:00 AM and 9:00 AM, hinting at a gentle rise in UV exposure. By 10:00 AM, the UV Index reaches 2, marking the beginning of a moderate risk period. The intensity peaks at 12:00 PM with a high of 4, prompting sun safety measures to avoid overexposure. As the afternoon progresses, the index recedes slightly, stabilizing at 3 from 11:00 AM to 14:00 PM, before tapering off to 1 by 16:00 PM, and finally returning to 0 by the evening. This daily UV cycle highlights the importance of sun safety, especially during midday hours when UV radiation is strongest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal fluctuations, with highest values observed from November to March, where it reaches extreme levels (up to 15 in December and 14 in January), necessitating careful skin protection as burn time is only 10 minutes during these months. February and November also register high values (13), sustaining the extreme risk. April sees a decrease to 8, marking the transition to very high exposure (15 minutes burn time), while May and June bring moderate levels (UV Index of 5 and 3 respectively), with longer burn times of 30 minutes. As summer progresses into September and October, the UV Index rises again, marking 8 and 10, indicating very high exposure risk. Therefore, it is crucial for both visitors and residents to stay vigilant against UV exposure, particularly from November to March and during April and September when levels are high, emphasizing the need for sunscreen, protective clothing, and seeking shade whenever necessary.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Melbourne UVI | 14 | 12 | 11 | 7 | 4 | 3 | 3 | 5 | 7 | 9 | 12 | 14 |
| Adelaide UVI | 14 | 13 | 12 | 8 | 5 | 3 | 4 | 5 | 7 | 10 | 12 | 15 |
| Nyah | 14 | 13 | 12 | 8 | 5 | 3 | 3 | 5 | 8 | 10 | 13 | 15 |
| Sydney UVI | 14 | 13 | 11 | 8 | 5 | 3 | 4 | 6 | 8 | 10 | 12 | 14 |
| Perth UVI | 14 | 14 | 11 | 9 | 6 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |