Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Marion, Australia, where the subtropical climate exposes locals to varying levels of ultraviolet radiation throughout the day. Awareness of UV levels plays a vital role in protecting against sunburn and maintaining skin health, especially during peak hours when the index reaches up to 3. Given Marion’s typical climate of warm summers and mild winters, recognizing when to take protective measures against UV exposure can significantly reduce the risk of skin damage. Stay informed, and enjoy the sunny days with confidence!
During the day, the UV Index showcases a gradual rise as the sun ascends, peaking at 3 between 10:00 AM and 1:00 PM. Early morning hours, specifically at 07:00 AM and 08:00 AM, maintain a gentle level of 1, making it relatively safe to be outdoors without sun protection. As you step out around 9:00 AM, the index nudges to 2, indicating a slight increase in UV exposure. From 10:00 AM to 1:00 PM, it reaches its highest point, suggesting that sun safety measures, such as sunscreen or protective clothing, become essential. By 2:00 PM, a decrease begins, returning to 1 by 15:00 PM, and fading further to 0 after 5:00 PM, marking a decline in UV intensity as the day winds down. Overall, early risers will enjoy a low UV risk, while midday sun seekers should take precautions to stay safe!
| 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 | 3 | moderate | 30 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 |
The UV Index exhibits significant seasonal variation, with elevated levels primarily from November to March, when it frequently reaches the extreme category (UV Index 12-15) and a rapid burn time of just 10 minutes. The high-risk months are notably January, February, and December, all of which require vigilant sun protection. As the year progresses into April, the index drops to 8, indicating a very high exposure level; here, a burn time increases to 15 minutes. In May, June, July, and August, the UV Index settles into the moderate range (3-5), allowing for a safer exposure of approximately 30 minutes. However, caution is still advised, particularly in September and October, where the index rises again to high and very high levels respectively. Visitors and residents should prioritize sun safety measures throughout the year, especially during the extreme UV periods, by wearing protective clothing, applying sunscreen, and seeking shade.
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 |
| Marion | 14 | 13 | 12 | 8 | 5 | 3 | 4 | 5 | 7 | 10 | 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 |