Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors of Dalmeny, Australia, where the beautiful coastlines come with a need for sun safety. Being aware of UV levels is crucial for effective sunburn prevention and maintaining long-term skin health, especially under the Australian sun. Dalmeny's Cfb climate means that while the UV Index varies throughout the day, it can reach moderate levels of up to 3 during peak hours between 11:00 AM and 1:00 PM. By staying informed and taking the necessary precautions, you can enjoy the outdoors while protecting your skin from harmful UV radiation.
The UV Index presents a dynamic picture throughout the day, starting off low in the early morning hours. From 7:00 AM to 9:00 AM, the index remains consistently at 1, indicating minimal exposure risk. As the day progresses, we see a gradual increase, peaking at 3 between 11:00 AM and 13:00 PM, suggesting a moderate risk for skin damage during peak sun hours. Following this, the UV Index dips back down to 2 at 14:00, before declining to 1 again from 15:00 to 17:00. By 18:00, the index drops to 0, signifying a complete lack of excessive UV exposure as the sun sets. It's crucial to be mindful of the midday hours when the UV radiation is at its most potent!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | 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 | 3 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 2 | low | 45 min |
| 15:00 | 1 | 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 |
Throughout the year, UV exposure varies significantly, with the highest levels observed during the months of January, February, March, November, and December, where the UV Index reaches an extreme level of 14 or 13 and a swift burn time of just 10 minutes. The transition to spring sees a drop in intensity, with April and September classified as high risk months (UV Index 7), requiring protective measures after 25 minutes of exposure. The summer months of June and July present a moderate risk (UV Index 3), allowing for longer exposure times of 30 minutes. Visitors and residents should remain vigilant during the high-risk months, particularly from November to March, ensuring they use sunscreen, wear protective clothing, and seek shade to minimize their risk of UV-related health issues. As fall approaches, while UV levels decrease, caution is still advised, particularly in early spring and late fall.
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 |
| Dalmeny | 14 | 13 | 11 | 7 | 5 | 3 | 3 | 5 | 7 | 9 | 11 | 14 |
| Adelaide UVI | 14 | 13 | 12 | 8 | 5 | 3 | 4 | 5 | 7 | 10 | 12 | 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 |