Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Lake Grace, Australia, where the sun's rays can be surprisingly intense despite the cooler climate. With peaks reaching a UV index of 4 around midday, being aware of UV levels is essential for preventing sunburn and maintaining overall skin health. In this region, where Csa climate patterns govern hot summers and mild winters, regular monitoring of UV exposure can help residents take the necessary precautions to enjoy outdoor activities safely and protect their skins from harmful effects.
The hourly UV Index data reveals a dynamic day of sun exposure. Starting from the early hours, the UV Index is relatively low at 1 from 07:00 to 08:00, perfect for a leisurely morning outside. As the sun climbs higher, the index rises to 2 by 09:00 and reaches its peak at 4 between 11:00 and 12:00 — a crucial period for sun protection. The afternoon sees a slight dip, with the index dropping back to 3 by 13:00 and 14:00, before declining further as the day winds down, falling to 1 by 15:00 and tapering off to 0 after 17:00. For those planning outdoor activities, midday vigilance is key to enjoying the sun while staying 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 | 4 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 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, UV Index levels exhibit significant seasonal changes, with high-risk months primarily occurring during winter and late fall. January, February, and October see an extreme UV Index of 15, with a critical burn time of just 10 minutes. Following closely are November and March, where the UV Index remains high at 13 and 12, respectively, also posing extreme risk for skin exposure. The risk diminishes slightly from April to June, with levels ranging from 9 (very high) to 4 (moderate), offering slightly more safe exposure times. As the summer months progress into July and August, the UV Index rises again to high levels of 6, indicating a burn time of 25 minutes. September brings a resurgence of very high UV levels at 8. Visitors and residents should be vigilant, particularly in the highest risk months of January, February, March, October, and November, and take necessary precautions such as wearing sunscreen, protective clothing, and seeking shade to minimize the risk of UV exposure.
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 |
| Perth UVI | 14 | 14 | 11 | 9 | 6 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Lake Grace | 15 | 15 | 12 | 9 | 6 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |