Last updated: May 3, 2025
Awareness of the UV Index is crucial for the residents and visitors of St. Georges Basin, Australia, where outdoor activities abound in the beautiful Cfb climate. Understanding UV levels plays a vital role in sunburn prevention and maintaining skin health, especially during the hours of peak UV exposure. With highs reaching a UV index of 5, typically between 11:00 AM and 1:00 PM, it’s important to be mindful of the risks associated with sun exposure. By staying informed, you can enjoy the sun safely while protecting your skin from potential damage.
As the sun rises, the UV Index starts off at a gentle 1 at 7:00 AM, providing a safe environment for morning activities. The intensity gradually increases, reaching 2 by 9:00 AM. By 10:00 AM, it climbs to 4, indicating a moderate level of UV exposure. The peak arrives at 11:00 AM and 12:00 PM, where the index hits 5, signaling a need for sun protection. The afternoon sees a decline, with readings at 4 at 1:00 PM, tapering to 3 by 2:00 PM. As the day begins to wind down, the UV Index drops steadily back to 1 by 4:00 PM, and sinks to 0 after 6:00 PM. This hourly data highlights the importance of safeguarding against UV exposure, especially during the midday hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 4 | 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 |
Throughout the year, UV levels fluctuate significantly, with the highest risk months being January through March and November through December, all categorized as extreme exposure. Specifically, from January to March, the UV Index reaches as high as 15, indicating a burn time of just 10 minutes. The month of April, while slightly lower at 8, remains in the very high range, requiring vigilance with a burn time of 15 minutes. Mid-year months, like May through August, see a drop in UV Index levels to a more manageable 3 to 5, classified as moderate, allowing for longer exposure times of 30 minutes. However, as autumn approaches in September and October, UV levels rise again to very high, with a burn time of 15 minutes. It is crucial for both residents and visitors to stay informed and take appropriate precautions, especially during the extreme months, such as applying sunscreen, wearing protective clothing, and minimizing sun exposure during peak hours.
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 |
| St. Georges Basin | 15 | 13 | 12 | 8 | 5 | 3 | 4 | 5 | 8 | 10 | 12 | 14 |
| 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 |