UV Index in Duncan, Canada

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Duncan, Canada, where the beautiful but bright skies can lead to increased sun exposure. With typical UV levels peaking around midday, knowing how to gauge these levels is essential for preventing sunburn and protecting your long-term skin health. Duncan's climate, classified as Csb, often sees pleasant temperatures, but the UV index can climb to 9 by midday, indicating a need for vigilance. Being informed about the day's UV levels empowers you to enjoy the sun responsibly while safeguarding your skin from potential damage.

Hourly UV Index in Duncan

The UV Index on this particular day begins its ascent at 07:00 with a moderate level of 1, gradually rising to 2 by 08:00. As the sun reaches its peak, the index climbs steadily, hitting 3 at 09:00 and soaring to a striking 5 by 10:00. The day’s intensity peaks at 12:00, with the UV Index at a sizzling 8. Just an hour later, it reaches its maximum of 9 at 13:00, signaling a time when sun protection is crucial. Thankfully, the intensity starts to wane after this peak, coming down to 8 at 14:00, and then gradually decreasing to 4 by 17:00. As evening approaches, the UV Index dips back to 2 at 18:00 and finally settles at 1 by 19:00, marking the end of a day filled with varying levels of UV exposure. Be sure to take precautions during those midday hours to shield yourself from the sun’s rays!

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
10:005moderate30 min
11:007high25 min
12:008very high15 min
13:009very high15 min
14:008very high15 min
15:007high25 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Duncan

Throughout the year, the UV Index experiences significant seasonal changes, impacting outdoor activities and skin protection needs. January and November see low UV levels (Index 2), allowing for longer exposure times of 45 minutes without risk of burning. As winter ends and spring arrives, the UV Index rises to 6 in April, marking a shift to high risk, with a burn time of just 25 minutes. The summer months of May through August reach their peak, showcasing very high levels (UVI 8-9) and a much shorter burn time of only 15 minutes. In September, the risk remains elevated at a UVI of 7, while October drops back to moderate levels (UVI 4). Residents and visitors are advised to take precautions during the high-risk months from April to September by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize UV exposure and reduce the risk of skin damage.

Monthly Maximum UV Index for Duncan, Canada

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Duncan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689987421
Data source: Statistical UV Index data for Duncan, 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 Duncan UV Index with Other Canada Cities

The table above highlights how UV exposure in Duncan compares to other major locations across Canada. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Duncan's solar exposure compared to other cities in Canada. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Edmonton UVI235677876421
Calgary UVI234688987421
Duncan235689987421
Montreal UVI245799887532
Ottawa UVI245899887532
Toronto UVI245899997532