UV Index in Hamilton, United States

Last updated: May 3, 2025

Understanding the UV Index in Hamilton, United States is crucial for safeguarding your skin and overall health. With the potential for sunburn and long-term skin damage, being aware of UV levels empowers residents to take appropriate precautions, especially during peak hours. Hamilton's Dfb climate brings varying exposure risks, with UV levels reaching as high as 10 around midday. As you explore the beautiful outdoors, staying informed about the UV Index ensures you enjoy the sun while prioritizing your skin’s well-being. Remember, a little awareness goes a long way in preventing UV damage!

Hourly UV Index in Hamilton

As the sun rises, the UV Index begins at a mild 1 at 7:00 AM, making early hours a safe time for outdoor activities. By 9:00 AM, it escalates to a moderate 3, suggesting light protection might be necessary. The peak intensity is reached at 1:00 PM, with a striking 10, indicating a high risk of harm from unprotected sun exposure. After this, the index gradually decreases, dipping to 6 by 4:00 PM and concluding the afternoon at a gentle 2 by 6:00 PM. Throughout the day, it’s essential to stay informed and protect your skin, especially during those sun-soaked hours when the UV Index is at its highest.

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	1	low	45 min
09:00	3	moderate	30 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	8	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Hamilton

Throughout the year, the UV Index experiences significant fluctuations, with the highest levels occurring during the summer months. High-risk months for UV exposure include April through September, when the UV Index reaches very high levels of 9 or 10, significantly reducing the safe burn time to just 15 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. Conversely, the winter months of December and January present lower UV risks, with indices of 2 and 3, allowing for safer exposure times of 30 to 45 minutes. Overall, awareness of seasonal changes in UV levels is crucial for protecting skin health throughout the year.

Monthly Maximum UV Index for Hamilton, United States

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

The table above highlights how UV exposure in Hamilton 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.

Hamilton'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
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
Hamilton	3	5	6	9	9	10	10	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