Last updated: May 3, 2025
In Old Erowal Bay, Australia, being aware of the UV Index is crucial for protecting your skin under the sun’s rays. Understanding UV levels is essential, as even low exposure can lead to sunburn and long-term skin health issues. With a Cfb climate, Old Erowal Bay generally experiences moderate UV exposure, with peak levels reaching 5 around midday—signifying a need for vigilance. By monitoring the UV Index, you can enjoy the beautiful outdoors while keeping your skin safe from harmful effects of the sun.
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 |
The UV Index varies significantly throughout the year, with the highest levels occurring during the winter months of January and February (UV Index 14), classified as extreme, where even short exposure can lead to sunburn in just 10 minutes. A similarly high index is observed in November (UV Index 12) and December (UV Index 14). As spring approaches, March maintains an extreme level (UV Index 12), while April drops slightly to very high (UV Index 8), allowing for a bit more exposure time at 15 minutes. Summer months see a decrease in UV levels, with June and July maintaining a moderate UV Index of 3, requiring around 30 minutes of exposure before risking a burn. As autumn arrives, the UV Index rises to 7 in September (high) before dropping again in October (very high, UV Index 10). During these times, it's crucial for both visitors and residents to take precautions, especially from November to March, ensuring proper sun protection such as sunscreen, hats, and sunglasses to safeguard against harmful UV radiation.
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 |
| Old Erowal Bay | 14 | 13 | 12 | 8 | 5 | 3 | 3 | 5 | 7 | 10 | 12 | 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 |