Last updated: July 2, 2025
Understanding the UV Index is essential for the residents of Heddon Greta, Australia, where the Cfa climate brings varied exposure to the sun's harmful rays. By keeping track of UV levels, you can effectively prevent sunburn and promote long-term skin health. During midday hours, the UV Index can reach a peak of 4, highlighting the necessity of protective measures, especially in a region where sunny days are commonplace. Stay informed and protect your skin from harmful UV radiation while enjoying the beautiful Australian outdoors!
The UV Index for the day reveals a gradual increase in solar intensity as the sun climbs higher. Starting from a mild 1 at 07:00 and 08:00, the index nudges to 2 by 09:00 and peaks at 4 between 11:00 and 13:00, indicating a notable amount of UV exposure. As the afternoon progresses, the value slightly tapers off to 3 at 14:00 and dwindles down to 2 by 15:00. The evening brings a steep decline, with the index dropping to 1 at 16:00 and then to 0 after 18:00. Stay protected during the midday hours when the UV Index is at its highest!
| 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 | 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 |
Throughout the year, UV exposure varies significantly, with the highest risk seen during the winter months of January and December when the UV index peaks at 15, categorized as extreme, necessitating a burn time of just 10 minutes. Similarly, February and November also present extreme conditions with a UV index of 14 and 12, respectively. As spring approaches, March still carries an extreme rating of 12, while April's index drops to 8, moving to very high. The summer months of June and July maintain a moderate UV index of 4, allowing for more extended exposure of 30 minutes before burning occurs, but return to high levels in August. As we transition into fall, September and October see a resurgence of very high ratings at 8 and 10 respectively. Visitors and residents are advised to take precautions during the high-risk months, particularly from November through March, by wearing sunscreen, protective clothing, and limiting exposure during peak hours to safeguard against harmful 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 |
| Heddon Greta | 15 | 14 | 12 | 8 | 6 | 4 | 4 | 6 | 8 | 10 | 12 | 15 |
| 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 |