Last updated: July 2, 2025
Understanding the UV Index in Ulefoss, Norway, is crucial for maintaining skin health and preventing sunburn. Even in this charming town, where the climate features warm summers and cool winters typical of the Dfb zone, UV exposure can vary significantly throughout the day. The daily UV levels can reach as high as 6 between 12:00 PM and 3:00 PM, signifying a heightened risk for skin damage if precautions aren’t taken. By staying informed about UV levels, residents and visitors can better protect themselves from the sun’s harmful rays, ensuring they enjoy all the natural beauty Ulefoss has to offer safely.
At dawn, the UV Index begins its gentle ascent, peaking at 1 by 7:00 AM. As the sun rises higher, the index climbs steadily: reaching 2 at 8:00 AM, it hits 3 by 9:00 AM. The golden hour of 10:00 AM is marked with a 4, and by 11:00 AM, it surges to 5, indicating moderate exposure. The midday sun showcases its strength, with a maximum of 6 between 12:00 PM and 3:00 PM – a clear signal for sun protection! As the afternoon wanes, the index gradually declines, dropping to 3 at 5:00 PM, and finally tapering off to 1 by 7:00 PM, as the sun sets. Remember, during those peak hours, staying protected is essential!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | 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 |
The UV Index experiences notable seasonal changes, peaking during the summer months. From January to February, UV levels remain low (Index 1-2), allowing for a safe burn time of 45 minutes. As spring approaches in March, the index rises to 3, indicating a moderate exposure risk with a reduced burn time of 30 minutes, which continues into April and May. By June and July, UV levels escalate to 7, categorized as high, and the burn time decreases to just 25 minutes, marking this as a high-risk period for sun exposure. The UV Index begins to decline in August (Index 5) and remains moderate until September (Index 4), before returning to low levels in October, November, and December (Index 1-2, with burn times of 45 minutes). Consequently, residents and visitors are advised to take extra precautions during the summer months, particularly from June to July, by seeking shade, wearing protective clothing, and applying sunscreen to prevent sunburn and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trondheim UVI | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| Bergen UVI | 1 | 1 | 3 | 4 | 5 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |
| Oslo UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Drammen UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Stavanger UVI | 1 | 1 | 3 | 4 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |
| Ulefoss | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |