Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Kojonup, Australia, as it directly impacts sun safety and skin health. With Australia's unique climate presenting heightened risks of UV exposure, especially during the daytime, being aware of UV levels can help safeguard against sunburn and long-term skin damage. In Kojonup, peak UV levels typically occur between 10 AM and 2 PM, reaching a maximum of 4—a moderate level that still warrants protective measures. By staying informed about daily UV fluctuations, you can enjoy the sun responsibly while protecting your skin and overall health.
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 variations, with the highest values occurring in the winter months. Notably, January through March showcases an extreme exposure category, with UV Index levels peaking at 15 in January and a rapid burn time of only 10 minutes. As spring approaches, April experiences a decrease to an Index of 8 (very high) before falling to a moderate level of 5 by May. The summer months, specifically June and July, maintain moderate UV levels (4), while August sees a slight increase to 6 (high). As fall arrives, the UV Index again rises, peaking at 10 in October. November and December revert to extreme exposure, with Index values of 13 and 14, respectively. Visitors and residents should remain vigilant during high-risk months—specifically January to March and November to December—by wearing protective clothing, applying sunscreen, and limiting sun exposure to prevent harmful effects from intense 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 |
| Kojonup | 15 | 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 |