Last updated: May 3, 2025
Understanding the UV Index in Castleisland, Ireland is crucial for safeguarding your skin against harmful UV rays. With levels peaking at 7 during midday, awareness of sun exposure can significantly reduce the risk of sunburn and long-term skin health issues. The temperate Cfb climate of Castleisland means that while UV exposure may not be as extreme as in sunnier locales, it’s still vital to stay informed, especially during sunnier months. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while protecting your skin from potential damage.
As the sun rises, the UV Index begins its gentle ascent, peaking at 07:00 with a low score of 1. By 09:00, it approaches moderate levels, reaching 2. The real magic happens between 10:00 and 13:00, where the index climbs sharply, hitting 6 at 12:00 and peaking at 7 during 13:00. From here, we see a gradual decline: a drop to 6 at 15:00, settling into the 5 range by the late afternoon. As the day winds down, the UV levels decrease further, falling back to 2 by 18:00, and finally resting at 1 as daylight fades into evening. Stay protected! Remember, the sun's rays are most potent during the midday 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 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index demonstrates a notable seasonal fluctuation, with the highest levels occurring during the summer months. From March to August, the UV Index peaks, reaching 8 in June and July, categorizing these months as very high risk for UV exposure and reducing burn time to just 15 minutes. Conversely, the winter months of January, February, November, and December feature lower UV Index values, classified as low risk, with burn times extending to 45 minutes. Visitors and residents should prioritize sun protection, especially from April to August, when UV exposure is at its highest. It is advisable to wear sunscreen, protective clothing, and seek shade during peak sun hours for health and safety.
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 |
| Luimneach UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Castleisland | 1 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Cork UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |