Last updated: May 3, 2025
In Grytviken, South Georgia and the South Sandwich Islands, staying aware of the UV Index is crucial for both residents and visitors. Understanding UV levels is essential for preventing sunburn and protecting skin health, especially in this remote region where unique climatic conditions can influence solar exposure. Despite Grytviken's typical cool and moist climate, the potential for UV radiation, particularly during the day when levels can reach 2 around midday, underscores the importance of taking precautionary measures. Awareness of the UV Index will help you enjoy the stunning landscapes while safeguarding your skin against unnecessary harm.
The UV Index data presents an interesting snapshot of sunlight intensity throughout the day. Starting at 7:00 AM, the index registers a maximum of 0, indicating a safe environment for outdoor activities. As the morning progresses, it gradually rises, peaking at 2 between 11:00 AM and 13:00 PM, signaling a moderate level of UV exposure. This peak highlights a crucial time for sun protection, especially if you’re outdoors. In the early afternoon, the index dips back to 1 by 14:00, then continues to decline, reaching 0 again by 17:00, signaling a safe evening. This information serves as a helpful reminder to stay protected during peak sunlight hours while enjoying the outdoors!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 1 | low | 45 min |
| 11:00 | 2 | low | 45 min |
| 12:00 | 2 | low | 45 min |
| 13:00 | 2 | low | 45 min |
| 14:00 | 1 | low | 45 min |
| 15:00 | 1 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Seasonal UV changes reveal significant variability throughout the year, with January and October exhibiting extreme UV Index levels of 11, resulting in a burn time of just 10 minutes. November and December follow closely behind with an even higher UV Index of 16. February also poses a high risk with a UV Index of 9, indicating very high exposure, while March and September see elevated UV levels of 6, categorized as high exposure with a burn time of 25 minutes. The warmer months from April to July generally show lower UV levels, peaking at 4 in April and declining to 1 in June and 2 in July. It is crucial for visitors and residents to remain vigilant during high-risk months, particularly from January to March and November to December. Wearing protective clothing, applying sunscreen, and seeking shade are highly advised during these periods to minimize the risk of UV damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grytviken | 11 | 9 | 6 | 4 | 2 | 1 | 2 | 3 | 6 | 11 | 16 | 16 |