UV Index in Niagara, United States

Last updated: May 3, 2025

In Niagara, United States, staying informed about the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. As the sun's rays can cause sunburn and long-term skin damage, understanding UV levels ensures you take the necessary precautions during outdoor activities. With a Dfb climate, characterized by warm summers and cold winters, residents must be particularly vigilant during the peak sun hours when UV levels can soar to 8 around midday. Being aware of the UV Index helps you enjoy the beautiful outdoors while keeping your skin healthy and safe!

Hourly UV Index in Niagara

As the sun rises, the UV Index gradually climbs, starting at a mild 1 at 07:00. By 09:00, it reaches 4, signaling the beginning of a more significant UV exposure. The real intensity begins at 10:00, peaking at 8 between 12:00 and 14:00, ensuring that midday sun-seekers are well advised to apply sunscreen and seek shade. The afternoon sees a slight decline, with the index dropping back to 6 at 15:00 and continuing its descent to 3 by 17:00. As evening approaches, the UV Index returns to a safe 1 by 18:00, bringing an end to the day's sun exposure. Remember, during those peak hours, protection is key!

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	4	moderate	30 min
10:00	6	high	25 min
11:00	7	high	25 min
12:00	8	very high	15 min
13:00	8	very high	15 min
14:00	8	very high	15 min
15:00	6	high	25 min
16:00	4	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Niagara

Throughout the year, UV Index levels exhibit seasonal variations, significantly impacting sun safety for visitors and residents. The high-risk months, characterized by a UV Index of 8 or higher, are May through August, where the potential for skin damage escalates to very high exposure, necessitating caution and protective measures within a burn time of just 15 minutes. Conversely, January and December display a low UV Index of 2, allowing for longer exposure times of up to 45 minutes with minimal risk. March and April serve as transitional periods, where levels rise to moderate and high, encouraging individuals to begin employing sun protection strategies. Residents and visitors should be vigilant from late spring to summer, ensuring adequate sunscreen application, protective clothing, and seeking shade during peak hours to safeguard against harmful UV radiation.

Monthly Maximum UV Index for Niagara, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Niagara. 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 Niagara, 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 Niagara UV Index with Other United States Cities

The table above highlights how UV exposure in Niagara compares to other major locations across United States. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Niagara's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Niagara	2	4	5	7	8	9	9	9	7	5	3	2
Chicago UVI	3	4	6	8	9	10	10	9	8	6	4	2
Brooklyn UVI	3	5	6	8	10	10	9	9	8	6	4	2
New York City UVI	3	5	6	8	10	10	9	9	8	6	4	2
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5