UV Index in March, United Kingdom

Last updated: June 2, 2025

As March ushers in the promise of spring across the United Kingdom, awareness of the UV Index becomes increasingly vital for residents seeking to enjoy the outdoors safely. Understanding UV levels is essential not only for preventing sunburn but also for promoting long-term skin health, as exposure can have cumulative effects. During this transition month, while the climate remains generally cool, the UV Index can peak at levels ranging from 1 to 8, indicating potential risks, especially during midday hours. Being informed can help ensure you make the most of the sun’s rays while protecting yourself against their harmful effects.

Hourly UV Index in March

As the sun rises, the UV Index begins its steady climb, starting from a gentle 1 at 7:00 AM. By 10:00 AM, it reaches 5, signaling an increase in UV exposure. The peak occurs at 12:00 PM, hitting a robust 8, where caution is advised, especially for outdoor activities. The intensity remains high at 8 from 1:00 PM to 2:00 PM, encouraging sun protection measures. As the afternoon progresses, the index gradually declines to 6 at 3:00 PM, then further to 3 by 5:00 PM. Finally, as the day winds down, the UV Index settles at 1 by 7:00 PM, reflecting a much safer environment for evening activities. Enjoy the sun, but remember to protect your skin 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:004moderate30 min
10:005moderate30 min
11:007high25 min
12:008very high15 min
13:008very high15 min
14:008very high15 min
15:006high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in March

Throughout the year, UV Index values fluctuate significantly, indicating varying levels of sun exposure risk. The high-risk months are from May to August, where the UV Index reaches its peak at 7-8, classifying them as high to very high exposure. Specifically, June and July present the greatest risk, with a burn time of only 15 minutes. In contrast, the winter months (January, February, November, and December) show a low exposure category with UV Index values of 1-2, allowing for longer safe sun exposure (up to 45 minutes). To ensure safety, it is advisable for visitors and residents to take protective measures during the high UV months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours.

Monthly Maximum UV Index for March, United Kingdom

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in March. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124678875321
Data source: Statistical UV Index data for March, 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 March UV Index with Other United Kingdom Cities

The table above highlights how UV exposure in March 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.
March's solar exposure compared to other cities in United Kingdom. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Liverpool UVI123578875321
Sheffield UVI124578875421
March124578875421
Birmingham UVI124578876421
London UVI124578876421
Bristol UVI124578876421