UV Index in Penzance, United Kingdom

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Penzance, United Kingdom, where the temperate maritime climate brings varying levels of solar radiation throughout the year. With UV values peaking at 7 during midday hours, awareness of these levels is vital for sunburn prevention and maintaining overall skin health. Given the picturesque coastal beauty of Penzance, it’s easy to underestimate the sun’s intensity, but being informed can help you enjoy the outdoors safely while minimizing the risk of skin damage. Stay protected and enjoy the sun wisely!

Hourly UV Index in Penzance

As the sun rises, the UV Index (UVI) begins its ascent, starting with a mild level of 1 at 7:00 AM. By 9:00 AM, it reaches a level 3, indicating an increase in solar intensity. The real peak occurs at noon when the UVI hits a robust 7, representing the highest risk for harm from unprotected sun exposure. This high intensity persists until 3:00 PM, when it gradually recedes to a level of 6. As the afternoon wanes, the UVI dips further, dropping to 5 at 4 PM and finally back to a gentle 1 by 7 PM, allowing for a safe and comfortable evening. Remember, the hours between 10 AM and 3 PM mark the most crucial times for sun safety!

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
08:002low45 min
09:003moderate30 min
10:004moderate30 min
11:006high25 min
12:007high25 min
13:007high25 min
14:007high25 min
15:006high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Penzance

Seasonal UV changes reveal a significant increase in UV intensity as we progress from winter to summer. January and February show a low UV Index of 2, with a relatively safe burn time of 45 minutes. As spring arrives, March transitions to a moderate UV Index of 4, prompting a reduced burn time of 30 minutes. The peak UV exposure occurs during the summer months of June and July, where the Index reaches 9 and 8, respectively, categorizing these months as very high risk with burn times as short as 15 minutes. August remains similarly risky, followed by a decrease in September to a high UV Index of 6, allowing for a burn time of 25 minutes. As we enter autumn, October sees a moderate shift, with an Index of 4 and a burn time of 30 minutes, before returning to low levels by November and December. Visitors and residents are advised to exercise caution and consider sun protection, especially from March through September, when UV exposure is at its highest, to minimize the risk of skin damage.

Monthly Maximum UV Index for Penzance, United Kingdom

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Penzance. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec234679885421
Data source: Statistical UV Index data for Penzance, 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 Penzance UV Index with Other United Kingdom Cities

The table above highlights how UV exposure in Penzance compares to other major locations across United Kingdom. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Penzance's solar exposure compared to other cities in United Kingdom. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Liverpool UVI123578875321
Sheffield UVI124578875421
Birmingham UVI124578876421
London UVI124578876421
Bristol UVI124578876421
Penzance224679886421