Last updated: May 3, 2025
Awareness of the UV Index is crucial for residents and visitors in Sumar, Netherlands, where the climate falls within the Cfb zone. Understanding UV levels not only aids in preventing sunburn but also plays a significant role in maintaining long-term skin health. With midday UV Index values peaking at 7 during the summer months, the risk of overexposure increases significantly. As you enjoy the picturesque landscapes of Sumar, knowing the daily UV Index can help you make informed decisions about sun protection, ensuring a safer and more enjoyable outdoor experience.
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 |
As the year progresses, the UV Index experiences significant seasonal changes, with the highest risk for sun exposure typically occurring from May to August. During this period, particularly in June, the UV Index peaks at 8, indicating a very high risk, where the burn time is reduced to just 15 minutes. In contrast, the UV Index starts low in the winter months, such as January and December at just 1, representing a low risk that allows for longer exposure times of 45 minutes without serious sunburn. Residents and visitors should be particularly vigilant during the high-risk months and take necessary precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize the risk of UV-related harm.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sumar | 1 | 2 | 3 | 5 | 7 | 8 | 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 |