Last updated: June 2, 2025
In Naerbo, Norway, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the peak summer months. Understanding the UV levels can help residents and visitors alike make informed decisions about sun protection, ensuring that outdoor activities remain safe and enjoyable. Given Naerbo's Cfb climate, which features mild summers, UV exposure can still reach significant levels, particularly between 11:00 AM and 1:00 PM, when the UV Index peaks at a notable 7. Knowing these details allows you to protect your skin while enjoying the beautiful Norwegian outdoors.
The UV Index peaked dramatically throughout the day, starting with a mild 1 at 07:00 and reaching its zenith of 7 between 13:00 and 14:00. As the sun climbed higher, the intensity of UV radiation increasingly called for protective measures. By 11:00, the index had already hit 5, nudging outdoor enthusiasts to seek shade. The afternoon brought a slight decrease, with values tapering to 6 at 15:00 and then gradually down to 2 by 19:00. This pattern highlights the importance of being vigilant during the midday hours when UV exposure is at its most potent. Ensure to stay protected during those peak hours!
| 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 | 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 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, impacting the risk of UV exposure for visitors and residents. The low-risk months are from January to March, with UV Index values of 1 to 3 and burn times of up to 45 minutes. As spring progresses into April and May, the UV Index increases to moderate and then reaches high levels in May, June, and July (UV Index of 6 to 7) where burn times drop to just 25 minutes. August marks a decline to moderate levels before it further decreases in September and October, returning to low-risk conditions by late fall and winter. Therefore, it is crucial for visitors and residents to be particularly cautious and protective during the high-risk months of May, June, and July, using appropriate sun protection measures such as sunscreen, hats, and sunglasses to minimize 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 |
| Naerbo | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |