Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Collie, Australia, where the climate can lead to varying levels of sun exposure throughout the day. As the UV Index peaks at 4 around midday, it’s essential to be aware of these levels to protect your skin from harmful effects like sunburn, which can lead to long-term skin health issues. With Collie's Csb climate, you may experience moderate UV exposure, especially during sunny days, making it important to monitor UV levels and take necessary precautions to enjoy the outdoors safely. Stay informed, stay protected!
The UV Index throughout the day experiences a notable progression, starting from a maximum of 0 at 07:00, indicating minimal UV exposure. As the morning unfolds, it gradually rises, reaching 1 by 08:00 and staying steady at this level until 09:00. The sun’s intensity escalates sharply, peaking at 4 between 11:00 and 13:00, highlighting the importance of sun protection during these hours. Just after peak exposure, the index dips slightly to 3 at 14:00 before decreasing further to 2 by 15:00. The final hours see a steady decline, falling back to 1 at 16:00 and 17:00, before returning to 0 by 18:00, signaling the end of the day. This data emphasizes the need for awareness and protection during midday hours when UV radiation is at its highest.
| 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 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 4 | 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 exhibits significant seasonal changes, with the highest values observed in the winter months of January, February, and November, all rated at 14, categorized as extreme, and necessitating a cautious burn time of just 10 minutes. Following closely, March also presents high risk with a UV Index of 12. The risk slightly diminishes in April (UV Index 8, very high) and further decreases through May and June to a moderate level of 5 and 4, respectively. However, September and October see an increase to 8 and 10, indicating very high risk once again. August is classified as high (UV Index 6) while the summer months retain a moderate status. Visitors and residents should remain vigilant during the extreme and very high months, particularly from January to March and again in November, ensuring adequate sun protection and minimizing midday sun exposure to prevent harmful effects from 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 |
| Collie | 14 | 14 | 12 | 8 | 5 | 4 | 4 | 6 | 8 | 10 | 13 | 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 |