UV Index in Cranbrook, Canada

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Cranbrook, Canada, particularly during the sunniest months. With the potential for high UV levels, reaching an index of 9 during midday hours, awareness is key to protecting your skin and preventing sunburn. Cranbrook's Dfb climate, characterized by warm summers, means that even short exposure to the sun can lead to skin damage. By monitoring UV levels, you can take proactive measures to safeguard your skin health, ensuring you enjoy the beautiful outdoor activities that this stunning region has to offer. Stay informed and stay safe!

Hourly UV Index in Cranbrook

This hour-by-hour UV Index data paints a clear picture of sun intensity throughout the day. At 07:00 and 08:00, the UV Index remains low at just 1, making it safe for outdoor activities. However, as the clock ticks toward mid-morning, the value climbs to 2 by 09:00. The sun's power peaks between 12:00 and 14:00, with a striking 8 and 9 respectively, indicating a high risk of harm from unprotected sun exposure. By 15:00, the index begins to decrease, dipping to 8, and continues its descent through the late afternoon and evening, reaching 5 at 17:00 and down to 2 by 19:00. Remember, during those mid-day hours, proper sun protection is essential to enjoy the outdoors safely!

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
08:001low45 min
09:002low45 min
10:004moderate30 min
11:006high25 min
12:008very high15 min
13:009very high15 min
14:009very high15 min
15:008very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Cranbrook

Throughout the year, UV exposure fluctuates significantly, with high-risk months primarily from April to August. In April, the UV Index reaches a high level of 7, marking the beginning of increased skin exposure risk, which intensifies into the very high category of 8 and 9 during May, June, and July. Visitors and residents should take precautions particularly between April and August, where a burn can occur in as little as 15 minutes during the peak months. As summer fades into early fall, the UV Index decreases, returning to a moderate level by October and then to low levels in November and December. It's essential for everyone to practice sun safety by using sunscreen, wearing protective clothing, and seeking shade during peak hours, especially in the high-risk periods.

Monthly Maximum UV Index for Cranbrook, Canada

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cranbrook. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235789987421
Data source: Statistical UV Index data for Cranbrook, 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 Cranbrook UV Index with Other Canada Cities

The table above highlights how UV exposure in Cranbrook 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.
Cranbrook's solar exposure compared to other cities in Canada. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Edmonton UVI235677876421
Calgary UVI234688987421
Cranbrook235789987421
Montreal UVI245799887532
Ottawa UVI245899887532
Toronto UVI245899997532