Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Lewiston, Australia, as this knowledge plays a vital role in protecting your skin from harmful UV radiation. With a climate classified as Csb, Lewiston experiences unique sunlight patterns that can lead to varying levels of UV exposure throughout the day. By being aware of UV levels, you can take proactive measures against sunburn and maintain healthy skin long-term. During peak hours, particularly around noon when the index reaches 4, the risk becomes significant, making it essential to monitor and adapt your sun protection strategies. Stay informed and enjoy the sunshine safely!
The UV Index for today presents a gradual rise in intensity as the morning unfolds, peaking at 12:00 PM with a score of 4, indicating a moderate risk of harm from unprotected sun exposure. Early hours from 7:00 AM to 9:00 AM remain low, with values of 1-2. As the clock strikes 10:00 AM, the index jumps to 3, signaling that sun safety precautions should be considered. In the early afternoon, the UV exposure decreases slightly but remains moderate at 3. As the sun begins to descend, the index dips back down to 1 by 15:00 PM and eventually reaches 0 in the evening, reassuring that the UV radiation is minimal. Stay sun-safe during peak hours, and enjoy the rest of your day!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | 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 shows significant seasonal variation, with particularly high levels during the winter and early spring months. January, February, and March are marked as high-risk months, each with an extreme UV Index of 14-15, necessitating a quick burn time of only 10 minutes. As spring progresses into April (UV Index 8, burn time 15 min) and fall later in the year (September and October, both at UV Index 8-10, burn time 15 min), exposure remains risky but slightly more manageable. During the summer months May through August, the UV Index decreases to moderate levels (UV Index 5-6, burn time 30 min), making sun safety precautions still important but less urgent. Visitors and residents are strongly advised to take protective measures year-round, especially during the extreme months by wearing sunscreen, protective clothing, and seeking shade to minimize the risk of sunburn.
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 |
| Lewiston | 14 | 14 | 12 | 8 | 5 | 3 | 4 | 5 | 8 | 10 | 13 | 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 |