Last updated: July 2, 2025
In Ristinummi, Finland, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps prevent sunburn and reduces the risk of long-term skin damage. With a Dfc climate characterized by distinct seasons, Ristinummi experiences varying UV exposure throughout the year, peaking with indices that reach 6 during the summer months. Stay informed and take the necessary precautions to enjoy the sun safely!
As the sun rises, the UV Index starts its climb, peaking around midday. At 07:00, the index is a mild 1, perfect for morning walkers. By 08:00, it rises to 2, still safe for outdoor activities. The real heat begins at 10:00, reaching a moderate 4 and hitting 5 by 11:00—a good reminder to lather on that sunscreen. The UV intensity peaks at 13:00 and 14:00 with a high of 6, indicating it’s time to seek shade or wear protective clothing. As daylight wanes, the index dips gradually: back to 5 at 16:00, then 4 at 17:00, and finally descending to 2 by 19:00. It’s a day that calls for awareness and protection under the sun!
| 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 | 5 | moderate | 30 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 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index exhibits notable seasonal fluctuations throughout the year, with the highest values typically occurring in the summer months. January, February, October, November, and December present a low exposure risk (UV Index 1-2), allowing for relatively safe outdoor activities with burn times of up to 45 minutes. In contrast, March through May sees an uptick to a moderate exposure risk (UV Index 3-5), where burn times decrease to 30 minutes. The high-risk months of June and July have a UV Index of 6, necessitating more caution with a burn time of just 25 minutes. As the summer transitions into August and September, the UV Index reverts to moderate levels. Residents and visitors are advised to remain vigilant during high UV periods by wearing protective clothing, applying sunscreen, and seeking shade during peak hours to minimize the risks associated with sun exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ristinummi | 1 | 1 | 3 | 3 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| Tampere UVI | 1 | 1 | 3 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| Vantaa UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Espoo UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Helsinki UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Turku UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |