UV Index in Grand Forks, Canada

Last updated: June 2, 2025

In Grand Forks, Canada, understanding the UV Index is crucial for protecting your skin and overall health. With a climate classified as Dfb, the region experiences varying UV exposure levels throughout the day, peaking at a high of 9 around noon. This makes it essential for residents and visitors alike to be aware of UV levels to prevent sunburn and maintain skin health. The risks associated with these elevated UV levels highlight the importance of proactive sun safety measures, especially when enjoying the stunning outdoors that Grand Forks has to offer. Stay informed and protect yourself from the sun’s harmful effects!

Hourly UV Index in Grand Forks

The UV Index throughout the day presents a clear pattern of intensity, peaking at midday. Starting from a mild level of 1 at 07:00, the index rises steadily, reaching 2 by 08:00. The real surge occurs between 09:00 and 13:00, where it escalates from 4 to a striking 9—the highest point of the day. As the afternoon unfolds, the intensity slightly declines to 7 at 15:00, before tapering off to 5 at 16:00. The evening sees a further decrease, settling back to 2 by 18:00 and returning to 1 at 19:00. For those enjoying outdoor activities, it’s essential to take precautions, especially during the peak hours from 11:00 to 14:00 when the UV rays are most potent.

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
10:006high25 min
11:008very high15 min
12:009very high15 min
13:009very high15 min
14:009very high15 min
15:007high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Grand Forks

As the seasons progress, the UV Index reflects significant changes in sun exposure, with noteworthy implications for both visitors and residents. The high-risk months for UV exposure are May through August, when the UV Index consistently reaches levels of 9 (very high), resulting in a burn time of just 15 minutes. Starting in April, with a UV Index of 7, precautions become increasingly vital. In the early months of the year, from January to March, the UV Index remains relatively low to moderate, with burn times increasing to 45 minutes in January. To ensure safety, it's crucial to apply sunscreen, wear protective clothing, and seek shade during midday hours, particularly during the peak summer months when UV exposure poses the greatest risk.

Monthly Maximum UV Index for Grand Forks, Canada

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Grand Forks. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235799987421
Data source: Statistical UV Index data for Grand Forks, 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 Grand Forks UV Index with Other Canada Cities

The table above highlights how UV exposure in Grand Forks 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.
Grand Forks's solar exposure compared to other cities in Canada. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Edmonton UVI235677876421
Calgary UVI234688987421
Grand Forks235799987421
Montreal UVI245799887532
Ottawa UVI245899887532
Toronto UVI245899997532