Last updated: July 2, 2025
Understanding the UV Index in Merrijig, Australia, is crucial for protecting your skin and overall health. With exposure levels fluctuating throughout the day, being aware of these UV levels can help you take proactive steps to prevent sunburn and long-term skin damage. Nestled in a Cfb climate zone, Merrijig experiences varied sunlight intensity, making it essential for residents and visitors alike to monitor UV readings, especially during peak hours from 10 AM to 2 PM when the index hits 3. By staying informed, you can enjoy the beautiful outdoors safely while minimizing the risks associated with high UV exposure.
The UV Index throughout the day offers a clear insight into solar intensity, peaking at 3 between 11:00 AM and 1:00 PM, signaling moderate sun exposure. The day begins with 0 UV at 7:00 AM, gradually rising to 1 by 8:00 AM and maintaining a low level until 10:00 AM. As the sun climbs higher, the index reaches 2 by mid-morning and then stabilizes at 3 during the lunch hours, suggesting the need for sun protection. By mid-afternoon, numbers dip back to 2 and diminish further to 1 as the evening approaches. Finally, the UV Index returns to 0 after 6:00 PM, marking a transition into a safer time to enjoy the outdoors without risk of sunburn.
| 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 | 3 | moderate | 30 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 2 | low | 45 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 experiences significant fluctuations throughout the year, with the highest risk months occurring from January to March and again in November and December, where the index peaks at 14 and classifies as extreme, allowing for a burn time of just 10 minutes. As spring approaches, the index decreases in April to 7 (high) and further moderates to 5 in May and 3 from June to July, suggesting a safer outdoor environment. However, caution is still warranted in September and October as the index rises again to 8 and 9 (very high) respectively, with burn times of 15 minutes. Residents and visitors are strongly advised to practice sun safety measures—such as wearing sunscreen, protective clothing, and seeking shade—especially during the extreme months and when the index climbs back in the autumn. Regular checking of the UV Index can help ensure a safer outdoor experience year-round.
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 |
| Merrijig | 14 | 12 | 11 | 7 | 5 | 3 | 3 | 5 | 8 | 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 |