Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Grantville, Australia, where the climate zone (Cfb) brings varying sun exposure throughout the year. Awareness of UV levels not only helps in preventing sunburn but also plays a significant role in maintaining long-term skin health. In Grantville, UV readings can peak around midday, emphasizing the need to protect yourself during the hours when the sun’s rays are the most intense. With typical UV exposure risks, knowing how to manage your time outdoors can keep you and your family safe from harmful effects while enjoying the beautiful Australian scenery.
The UV Index throughout the day paints a clear picture of sun exposure. Starting from 07:00, the index remains at 0, indicating minimal UV radiation. As the sun rises higher, it reaches a peak of 3 at 12:00, marking the time when protection is essential. Between 10:00 and 14:00, the index fluctuates between 2 and 3, suggesting moderate to high UV levels, perfect for seeking shade or wearing sunscreen. Post 15:00, the UV Index drops gradually, returning to 0 by 18:00. This data highlights the importance of being sun-smart during midday hours when UV radiation is at its strongest. Stay protected!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 2 | low | 45 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 2 | low | 45 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 demonstrates significant seasonal fluctuations, peaking in January and December with an extreme exposure category of 13 and 14, respectively, and a critical burn time of just 10 minutes. February and March also experience high levels of UV exposure, maintaining an index of 12 and 11, respectively. As spring arrives in April with a UV Index of 7 (high) and burn time of 25 minutes, the risk begins to decrease but remains notable. The summer months of June and July show a moderate UV level of 3, extending burn time to 30 minutes, while August sees a slight increase to 4. However, the risk surges again in September and October, where the UV Index reaches 7 (high) and 9 (very high), with burn times of 25 and 15 minutes, respectively. November also returns to extreme levels with an index of 11. Given these patterns, both visitors and residents should be particularly cautious from November to March and during early spring and fall, taking essential sun protection measures such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grantville | 13 | 12 | 11 | 7 | 4 | 3 | 3 | 4 | 7 | 9 | 11 | 14 |
| 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 |
| Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |