Last updated: May 3, 2025
In Nenagh, Ireland, staying aware of the UV Index is crucial for protecting your skin and overall health. Understanding the daily UV levels helps residents and visitors alike prevent sunburn and long-term skin damage, especially during peak times when the index can reach as high as 7. With its Cfb climate characterized by mild summers and cool winters, Nenagh may not seem like a sun-soaked destination, but elevated UV exposure risks can still arise, particularly between 11 AM and 3 PM. Being informed about the UV Index empowers you to enjoy the sun safely while maintaining healthy skin for years to come.
As the day unfolds, the UV Index begins to soar, peaking at 7 between 1 PM and 2 PM. The morning starts off gently, with a low index of 1 at 7 AM and 8 AM, gradually climbing to 2 by 9 AM. By 10 AM, the intensity increases to 4, reaching 5 at 11 AM. The sun is at its strongest at 12 PM, with a UV index of 6, before hitting its maximum of 7 during the early afternoon hours. As the day progresses, the index begins to decline, dropping back to 6 at 3 PM, then tapering off to 5 at 4 PM. By 5 PM, it continues to fall to 3, and as evening approaches, it settles at 2 at 6 PM, finally winding down to 1 by 7 PM. It's a perfect reminder to stay protected under the sun, especially during those peak hours!
| 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 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index values fluctuate significantly, indicating varying levels of sun exposure risk. The high-risk months are from May to August, where the UV Index reaches its peak at 7-8, classifying them as high to very high exposure. Specifically, June and July present the greatest risk, with a burn time of only 15 minutes. In contrast, the winter months (January, February, November, and December) show a low exposure category with UV Index values of 1-2, allowing for longer safe sun exposure (up to 45 minutes). To ensure safety, it is advisable for visitors and residents to take protective measures during the high UV months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gaillimh UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Tallaght UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Dublin UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Nenagh | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Luimneach UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Cork UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |