Last updated: May 3, 2025
In Lastovo, Croatia, being aware of the UV Index is crucial for both locals and visitors alike. Understanding UV levels can significantly reduce the risk of sunburn and protect your skin health, as the sun's rays can be particularly intense in this picturesque Mediterranean paradise. With its Csa climate characterized by hot summers, Lastovo experiences peak UV Index values reaching up to 8 during midday, which calls for proactive sun protection strategies. Stay informed and safeguard your skin while enjoying the breathtaking beauty of this sun-soaked island!
As the sun rises, the UV Index gradually climbs, reaching a maximum of 8 between 12:00 PM and 2:00 PM—the peak hours for sun exposure. Starting at a low 1 at 7:00 AM, the index steadily increases, hitting 5 by 10:00 AM and escalating to 7 at 11:00 AM. This intense exposure continues through the afternoon, maintaining a high of 8 at 12:00 PM, 1:00 PM, and 2:00 PM. However, by 3:00 PM, it starts to dip to 6 and further drops to 4 at 4:00 PM. The evening brings a welcome respite, with the UV Index falling back to 1 by 7:00 PM, signaling a safe time to enjoy outdoor activities without the risk of overexposure. Remember 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 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the year progresses, the UV Index experiences significant fluctuations, indicating varying levels of sun exposure risk. From January to February, the UV Index rises from 2 (low) to 4 (moderate), marking the beginning of increased exposure. The spring months of March and April see another jump to 6 and 7 (both high), respectively. The summer months of May through August are particularly concerning, with UV Index values reaching a peak of 10 in July, categorized as very high and resulting in very short burn times of just 15 minutes. As the year wanes, the index decreases, with September and October experiencing high to moderate levels (7 and 5), before returning to a low of 2 by December. Visitors and residents should take extra precautions during the high-risk months of May through August, limiting sun exposure and employing protective measures such as sunscreen, hats, and sunglasses to safeguard against skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Osijek UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Zagreb UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 5 | 3 | 2 |
| Rijeka UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Zadar UVI | 2 | 4 | 5 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Split UVI | 2 | 4 | 6 | 7 | 8 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Lastovo | 2 | 4 | 6 | 7 | 8 | 9 | 10 | 9 | 7 | 5 | 3 | 2 |