Last updated: August 1, 2025
Understanding the UV Index is crucial for the residents of Ida Grove, as it plays a significant role in sun safety and skin health. With the region’s Dfa climate, sunny days can lead to elevated UV levels, peaking at a concerning 10 during midday hours. By monitoring the UV Index, individuals can take proactive measures to prevent sunburn and long-term skin damage. As the summer sun shines brightly, knowing when to seek shade or apply sunscreen becomes essential to protecting yourself and your loved ones from harmful UV radiation. Stay informed, stay safe, and enjoy the sunny days in Ida Grove!
The UV index begins its ascent at 07:00, starting at a gentle 1, then climbs gradually through the morning. By 10:00, it reaches a moderate 5, but from 11:00 onwards, the sun's intensity becomes pronounced, peaking at an impressive 10 between 13:00 and 14:00. After this zenith, the index dips to 8 at 15:00 and continues its decline, settling back to 2 by 18:00. As the day winds down into the evening, the UV index drops to a low 1 by 19:00, signaling a return to safer sun exposure levels. Enjoy the sunshine while staying protected during the high points!
| 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 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal changes, with the highest levels occurring during late spring and summer months. April to September are particularly high-risk periods, where the UV Index peaks at 11 in June, categorized as extreme, and remains very high until September. During these months, the recommended burn time shortens to 10-15 minutes, emphasizing the need for diligent sun protection. Visitors and residents are advised to take precautions by wearing sunscreen, protective clothing, and seeking shade during peak UV hours from 10 AM to 4 PM. Conversely, January to March and November to December present lower UV levels, with January starting at 3 (moderate) and decreasing to 2 (low) by December, where a burn time of 45 minutes suggests less urgency for sun safety measures. However, even in lower UV months, it's wise to remain mindful of sun exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Ida Grove | 3 | 5 | 5 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 3 | 2 |
| Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |