UV Index in Sant Joan, Spain

Last updated: July 2, 2025

Understanding the UV Index in Sant Joan, Spain is essential for protecting your skin from harmful sun exposure. With levels peaking at 10 during midday hours, being aware of UV intensity helps in preventing sunburn and maintaining overall skin health. Located in a warm Mediterranean climate, Sant Joan experiences significant UV risks, particularly from late morning to early afternoon. Stay informed and take necessary precautions to enjoy the sun safely!

Hourly UV Index in Sant Joan

The UV Index reveals a dynamic pattern throughout the day, beginning with a minimal UVI of 1 at 07:00, and gradually rising as the sun ascends. By 10:00, it reaches 4, signaling a shift towards higher exposure, and by 12:00, it peaks at an impressive 8. Among the highest readings, 13:00 and 14:00 hit a scorching 10, emphasizing the need for sun protection during these hours. As the afternoon wanes, the index starts to decline, dropping to 7 by 16:00, and further declining to 5 at 17:00. As evening approaches, the UVI diminishes to 3 at 18:00, and concludes with a gentle 2 at 19:00. This pattern underscores the importance of vigilance against UV exposure as midday approaches, encouraging outdoor enthusiasts to take precautions when the sun is at its strongest.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:002low45 min
10:004moderate30 min
11:006high25 min
12:008very high15 min
13:0010very high15 min
14:0010very high15 min
15:009very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Sant Joan

Throughout the year, UV index levels fluctuate significantly, with notable increases during the warmer months. January and February experience a moderate UV index of 3 and 4, allowing for a 30-minute burn time under the sun. As the seasons transition into March and onward, the risk escalates, peaking in June and July with a maximum UV index of 10—classifying these months as high-risk. During these summer months, individuals are advised to limit sun exposure to just 15 minutes to prevent skin damage. The trend continues with August and September maintaining high levels (UV index of 9 and 8 respectively) before tapering off in October (UV index 6) and returning to moderate levels in November and December (UV index of 4 and 2). Residents and visitors should prioritize sun protection, especially during the peak months of April through September.

Monthly Maximum UV Index for Sant Joan, Spain

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sant Joan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Statistical UV Index data for Sant Joan, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Sant Joan UV Index with Other Spain Cities

The table above highlights how UV exposure in Sant Joan compares to other major locations across Spain. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Sant Joan's solar exposure compared to other cities in Spain. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Barcelona UVI34578101097632
Sant Joan34689101098642
Zaragoza UVI34689111198632
Valencia UVI34689111098643
Madrid UVI346810111198643
Sevilla UVI3579101110109743