Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents of Bonnie Doon, Australia, where the climate falls within the temperate Cfb zone. Understanding UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health. During peak hours, particularly between 11 AM and 2 PM, the UV Index can reach levels of 3, indicating moderate exposure risks. With Bonnie Doon’s sunny days, being informed about the UV Index can help you take the right precautions to enjoy the outdoors safely while protecting your skin.
The UV Index throughout the day showcases a dynamic range of sunlight intensity, starting from a maximum of 3 between 11:00 AM and 1:00 PM. Early risers will encounter minimal exposure at 07:00 with a value of 0 before it gradually rises to 1 by 08:00 and 09:00. By 10:00, the index reaches 2, indicating a moderate level of UV radiation, and peaks at 3 during the late morning to early afternoon. As the sun begins its descent, the index declines, dropping back to 2 by 14:00 before tapering off to 1 from 15:00 until 17:00, and finally returning to 0 by 18:00. Overall, this UVI data suggests a cautious approach to sun exposure during peak hours, especially from 11:00 AM to 1:00 PM, when sunscreen and protective clothing are advisable.
| 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 | 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 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, with January, February, and November presenting the highest levels, classified as extreme with a UV Index peaking at 15 in December and a burn time of just 10 minutes. March also remains a high-risk month with an Index of 11. As we transition into spring, April sees a reduction to a high exposure category of 7, allowing for a longer burn time of 25 minutes. The summer months of May, June, July, and August reflect a moderate risk, with burn times extending to 30 minutes. However, as fall approaches, September returns to a high exposure of 7 while October escalates to a very high category at 9. It is crucial for visitors and residents to remain vigilant, particularly during the extreme months with reduced burn times, and take necessary precautions, such as using sunscreen, wearing protective clothing, and seeking shade during peak UV hours to minimize the risk of skin damage.
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 |
| Bonnie Doon | 14 | 12 | 11 | 7 | 5 | 3 | 3 | 5 | 7 | 9 | 12 | 15 |
| 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 |