Last updated: May 3, 2025
In Mannum, Australia, being aware of the UV Index is essential for safeguarding your skin and overall health. The UV Index indicates the strength of ultraviolet radiation from the sun, which can lead to sunburn and long-term skin damage if not properly managed. With Mannum's BSk climate, characterized by hot summers and dry conditions, exposure to UV radiation can spike, particularly during midday hours when levels reach a maximum of 5. Understanding these UV levels empowers you to take necessary precautions, ensuring you enjoy the sunny outdoors while protecting your skin.
As the day begins, the UV Index starts off low, peaking at 1 from 7:00 AM to 8:00 AM. However, by 9:00 AM, it climbs to 3, indicating a moderate increase in UV exposure. The real intensity is felt around 11:00 AM and 12:00 PM, where the index reaches its maximum of 5, suggesting a need for sun protection during these hours. As the afternoon progresses, the UV Index begins to decline, dropping to 2 by 3:00 PM and tapering off to 0 by 5:00 PM onwards, signaling a safe period to enjoy outdoor activities without concern for UV rays. Stay vigilant during the peak hours to keep your skin protected!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 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 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The seasonal UV changes indicate significant variations throughout the year, with the highest levels occurring in the winter months of December (UV Index 15) and January (UV Index 14), categorized as extreme with a burn time of just 10 minutes. February and March also fall into the extreme category, emphasizing the need for caution during these months. As spring progresses, the UV Index drops slightly, reaching a very high level in April (UV Index 8) and then moderating in the summer months, with May to August showing moderate levels (UV Index 5 and 4), allowing for 30 minutes of exposure before burning occurs. However, the UV Index increases again in September (UV Index 8) and October (UV Index 10), both classified as very high with a burn time of 15 minutes. November returns to an extreme category (UV Index 12), culminating in another peak before winter. Visitors and residents are strongly advised to take protective measures, especially from November through March, and during April and September, when UV exposure can be particularly harmful. It's essential to wear sunscreen, protective clothing, 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 |
| 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 |
| Mannum | 14 | 13 | 12 | 8 | 5 | 3 | 4 | 5 | 8 | 10 | 12 | 15 |
| 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 |