Last updated: July 2, 2025
Understanding the UV Index in Mountain River, Australia is crucial for protecting your skin from harmful ultraviolet radiation. With a climate classified as Cfb, residents and visitors experience varying UV levels that can significantly impact skin health, making awareness and prevention key in avoiding sunburn and long-term damage. During peak hours, particularly between 10:00 AM and 2:00 PM, the UV Index remains moderately high, emphasizing the need for proper sun protection strategies. By staying informed about UV conditions, you can enjoy the beautiful outdoors of Mountain River while safeguarding your skin against the risks of overexposure.
From the early hours of the day, the UV Index starts at 0 at 7:00 AM, indicating minimal risk. As the sun climbs higher, it gradually increases to 2 by 10:00 AM, peaking at 2 from 10:00 AM to 2:00 PM, which suggests a moderate risk for harm from unprotected sun exposure. After a brief peak, the index begins to decline again, returning to 1 by 3:00 PM and dropping to 0 by 5:00 PM, signaling a safe time to be outdoors without sun protection. Overall, it's a fairly mild day for UV exposure, making it a good time for outdoor activities—but remember to stay mindful of the midday sun!
| 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 | 2 | low | 45 min |
| 12:00 | 2 | low | 45 min |
| 13:00 | 2 | low | 45 min |
| 14:00 | 2 | low | 45 min |
| 15:00 | 1 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variation, with the highest risk months occurring in January, February, and December, where the index reaches a peak of 13, categorizing exposure as extreme and requiring a burn time of just 10 minutes. Following these months, March and November also present very high risks with indices of 9 and 10, and burn times of 15 minutes. As summer transitions into fall, the UV Index declines, dropping to 2 in June and July, indicative of low risk, while August sees a slight increase to 4 (moderate). As such, it is essential for both visitors and residents to take extra precautions during the extreme months by wearing protective clothing, applying sunscreen, and limiting sun exposure to prevent skin damage. In contrast, during the lower index months, sun safety measures can be relaxed but should still be practiced, especially during peak midday hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain River | 13 | 11 | 9 | 6 | 3 | 2 | 2 | 4 | 6 | 8 | 10 | 13 |
| 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 |
| 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 |