UV Index in Cestona, Spain

Last updated: July 2, 2025

Understanding the UV Index in Cestona, Spain, is essential for safeguarding your skin against harmful ultraviolet rays. With a climate that boasts mild summers and plenty of sunny days, residents and visitors alike should be aware of the varying UV levels throughout the day. From early morning sun with a moderate risk level of 2, to peak UV indices reaching a high 10 around midday, knowing when to seek shade or apply sunscreen can make all the difference in preventing sunburn and maintaining long-term skin health. Don't let the sun catch you off guard; stay informed to enjoy Cestona’s beautiful climate while keeping your skin safe!

Hourly UV Index in Cestona

As the day unfolds, the UV Index rises dramatically, showcasing the sun’s power. Starting off at a gentle 1 by 07:00, it gradually climbs to 5 by 11:00. The real intensity kicks in around noon with a peak of 10 at 14:00—a strong reminder to protect your skin! The index begins to wane as the afternoon wears on, dropping to 6 by 17:00 and continuing to fall to 2 by 19:00. It’s a vivid illustration of how the sun's potency evolves throughout the day, urging us to stay sun-smart during those peak hours.

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.
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	8	very high	15 min
13:00	9	very high	15 min
14:00	10	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

Monthly UV Index Trends in Cestona

Throughout the year, seasonal changes in UV exposure highlight significant fluctuations in the UV Index. The months of May through August are particularly high-risk, with UV Index values reaching a peak of 10, indicating very high exposure and a burn time of only 15 minutes. Visitors and residents should remain vigilant during these months, employing protective measures such as sunscreen and clothing, especially between 10 AM and 4 PM when UV exposure is strongest. March and April also show increased risk with UV Index values of 6 and 7 respectively. Conversely, January and December present lower risk levels, with UV Index values of 2 indicating low exposure and longer potential burn times of 45 minutes. It is essential to monitor UV levels year-round and adjust sun protection strategies accordingly to ensure safety.

Monthly Maximum UV Index for Cestona, Spain

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cestona. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Cestona, 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 Cestona UV Index with Other Spain Cities

The table above highlights how UV exposure in Cestona 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.

Cestona's solar exposure compared to other cities in Spain. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cestona	2	4	6	7	9	10	10	9	7	5	3	2
Barcelona UVI	3	4	5	7	8	10	10	9	7	6	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