Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Riano, Spain, where sun exposure can vary significantly throughout the day. With the region's Csb climate, characterized by warm summers, awareness of UV levels can help prevent sunburn and protect skin health. During peak hours, particularly from 12 PM to 3 PM, the UV Index can reach a high of 9, signaling an increased risk of harm from unprotected sun exposure. Staying informed not only helps in safeguarding against skin damage but also enhances overall well-being as you enjoy the beautiful outdoors of Riano.
The UV Index data reveals a dynamic shift throughout the day, showcasing the sun's intensity rising to its peak around noon. Starting from a gentle 1 at 7:00 AM, the index slowly climbs, reaching 3 by 10:00 AM. The intensity escalates dramatically, peaking at an impressive 9 from 1:00 PM to 3:00 PM, indicating a time when sun protection is crucial. As the afternoon wanes, the UV Index gradually declines, dropping to 4 by 6:00 PM before settling back to a low 2 by 7:00 PM. This data underscores the importance of staying vigilant against UV rays during midday when exposure risks are at their highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 3 | moderate | 30 min |
11:00 | 5 | moderate | 30 min |
12:00 | 7 | high | 25 min |
13:00 | 9 | very high | 15 min |
14:00 | 9 | very high | 15 min |
15:00 | 9 | very high | 15 min |
16:00 | 8 | very high | 15 min |
17:00 | 6 | high | 25 min |
18:00 | 4 | moderate | 30 min |
19:00 | 2 | low | 45 min |
Throughout the year, UV index levels vary significantly, indicating changing risks for sun exposure. January and December present low UV levels (Index 2), allowing for longer safe exposure times of 45 minutes. As the year progresses, February brings a moderate risk with an index of 4, reducing safe exposure to 30 minutes. The risk escalates in March (Index 6, 25 minutes) and peaks during the summer months of June (Index 11, 10 minutes) and July (Index 10, 15 minutes), which are considered high-risk periods. August and September maintain very high levels (Indices 9 and 8, respectively), followed by a gradual decline in October (Index 5, 30 minutes) and November (Index 3, 30 minutes). To protect against harmful UV rays, it is crucial for visitors and residents to take extra precautions during the high-risk months from March to September, including wearing sunscreen, protective clothing, and seeking shade during peak sun hours.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Barcelona UVI | 3 | 4 | 5 | 7 | 8 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |
Riano | 2 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 5 | 3 | 2 |
Zaragoza UVI | 3 | 4 | 6 | 8 | 9 | 11 | 11 | 9 | 8 | 6 | 3 | 2 |
Valencia UVI | 3 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
Madrid UVI | 3 | 4 | 6 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 3 |
Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |