Last updated: July 2, 2025
Understanding the UV Index in Hollum, Netherlands, is crucial for safeguarding your skin and overall health. With varying UV levels throughout the day, especially peaking between noon and 3 PM when they can reach up to a 7, knowing when to take precautions can help prevent painful sunburn and long-term skin damage. Hollum's Cfb climate means moderate sun exposure but still presents risks on sunny days. By staying informed about the UV Index, you can enjoy the beauty of Hollum’s coastline while protecting your skin from harmful ultraviolet rays.
The UV Index for the day shows a steady rise as the sun climbs higher in the sky. Starting at 07:00, it begins at a minimal level of 1, ideal for early risers. By 09:00, it briefly escalates to 2, but the real surge happens between 10:00 and 12:00, reaching a peak of 7—the perfect time to seek shade or apply sunscreen! The intensity remains at a solid 7 until 15:00, ensuring ample sun exposure for outdoor activities while reminding everyone to stay cautious. As the day winds down, the index gradually declines, dropping to 4 by 17:00 and settling at 2 by 19:00. Overall, it's a quintessential day for enjoying the sunshine, yet a vigilant approach to sun safety is crucial 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 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index exhibits notable seasonal changes, peaking during the summer months. From January to February, the exposure is low, with a minimal risk of skin damage, allowing for a safe burn time of up to 45 minutes. As spring arrives in March and April, the UV Index begins to rise, reaching moderate levels, and reducing safe exposure time to 30 minutes. The summer months of May through August mark the high-risk period, with a consistent UV Index of 7, where the burn time drops to just 25 minutes. In September and October, conditions ease back to moderate levels, allowing for a slightly increased burn time of 30 minutes. By November and December, exposure risk returns to low, permitting 45 minutes of safe sun exposure. Visitors and residents should prioritize sun protection, especially from late spring to early fall, by wearing sunscreen, protective clothing, and seeking shade during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hollum | 1 | 2 | 3 | 5 | 7 | 7 | 7 | 7 | 5 | 3 | 2 | 1 |
| Amsterdam UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Utrecht UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Rotterdam UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Eindhoven UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Tilburg UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |