UV Index in Slave Lake, Canada

Last updated: June 2, 2025

In Slave Lake, Canada, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels not only helps prevent painful sunburns but also protects against long-term skin damage and conditions such as skin cancer. Given Slave Lake's Dfc climate, residents and visitors often encounter fluctuating UV exposure, particularly during sunlit hours when the index can reach a peak of 7 around noon. By staying informed about daily UV readings, you can take proactive measures to enjoy the outdoors while keeping your skin safe from harmful rays.

Hourly UV Index in Slave Lake

As the sun rises, the UV Index starts off low at 1 at 7:00 AM, gradually climbing to a moderate 2 by 8:00 AM. By 9:00 AM, it reaches 3, marking the beginning of a steady increase that peaks at 7 between 12:00 PM and 2:00 PM, indicating a heightened need for sun protection. The intensity begins to wane after 3:00 PM, with the index dropping to 6, and continuing its descent through the late afternoon. By 6:00 PM, it settles back to 2, and finally, at 7:00 PM, it returns to 2 once more. Overall, today’s UV exposure serves as a reminder to stay sun-safe during 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	3	moderate	30 min
10:00	4	moderate	30 min
11:00	5	moderate	30 min
12:00	7	high	25 min
13:00	7	high	25 min
14:00	7	high	25 min
15:00	6	high	25 min
16:00	5	moderate	30 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	2	low	45 min

Monthly UV Index Trends in Slave Lake

As we observe the seasonal changes in UV exposure, it's evident that the risk of sunburn increases significantly during the warmer months. The high-risk months—May through September—feature a consistently high UV Index of 7, indicating high exposure risk and a burn time of just 25 minutes. March and April also see moderate UV levels, making it crucial for residents and visitors to begin sun safety practices early in the spring. Conversely, the winter months of January, February, November, and December present a low UV Index, with burn times extending to 45 minutes. To ensure safety, it's advisable for everyone to use sunscreen, wear protective clothing, and seek shade, especially during the high-index months when sun exposure can quickly lead to skin damage.

Monthly Maximum UV Index for Slave Lake, Canada

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Slave Lake. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Slave Lake, 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 Slave Lake UV Index with Other Canada Cities

The table above highlights how UV exposure in Slave Lake 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.

Slave Lake's solar exposure compared to other cities in Canada. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Slave Lake	1	2	4	5	7	7	7	7	6	3	1	1
Edmonton UVI	2	3	5	6	7	7	8	7	6	4	2	1
Calgary UVI	2	3	4	6	8	8	9	8	7	4	2	1
Montreal UVI	2	4	5	7	9	9	8	8	7	5	3	2
Ottawa UVI	2	4	5	8	9	9	8	8	7	5	3	2
Toronto UVI	2	4	5	8	9	9	9	9	7	5	3	2