Last updated: July 2, 2025
Understanding the UV Index in Joniškis, Lithuania is crucial for safeguarding your skin against the harmful effects of ultraviolet radiation. With levels reaching a maximum of 7 during peak hours, awareness of UV exposure is vital for preventing sunburn and promoting long-term skin health. Joniškis, characterized by its Dfb climate, experiences significant UV risks, especially during the summer months when clear skies can amplify these effects. Stay informed and take protective measures to enjoy the sun safely!
As the sun rises, the UV Index begins its climb, starting at a mild 1 at 7:00 AM. By 9:00 AM, it reaches a moderate 3, encouraging early risers to consider sun protection. The intensity peaks at 12:00 PM with a vigorous 6, signaling the need for caution. The afternoon sees the UV Index remain high, hitting 7 at 1:00 PM and 2:00 PM, before gradually tapering to 4 by 5:00 PM. As evening approaches, the UV levels decrease, dropping back to a safe 1 by 7:00 PM. Staying informed about these fluctuations can help you enjoy the sun while staying safe!
| 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 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, there are significant variations in the UV Index that indicate changing risks associated with sun exposure. January and February exhibit low levels, with a UV Index of 1 and 2, allowing for a safer burn time of 45 minutes. As we move into March and April, the UV Index rises to 3 and 5 respectively, transitioning to a moderate risk where the burn time decreases to 30 minutes. The peak risk months occur from May to August, where the UV Index reaches high levels of 6 and 7, corresponding to a burn time of just 25 minutes. September and October see a return to moderate levels, with the UV Index falling to 4 and 3, extending burn times back to 30 minutes. November and December once again present low UV conditions, with burn times increasing to 45 minutes. Visitors and residents should exercise increased caution and utilize sun protection during the high-risk months of May through August, ensuring adequate sunscreen application, protective clothing, and seeking shade when necessary.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Joniskis | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 3 | 2 | 1 |
| Siauliai UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Panevezys UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Klaipeda UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Kaunas UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Vilnius UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |