UV Index in Grant, United States

Last updated: July 2, 2025

In Grant, United States, being aware of the UV Index is crucial for safeguarding your skin against harmful rays. Understanding the UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. With a Cfa climate, Grant experiences considerable sunlight, particularly during peak hours around midday, where the UV Index can reach as high as 11. This underlines the importance of sun protection strategies, particularly when the sun is at its strongest, to minimize risks associated with overexposure. Stay informed and enjoy the outdoors safely!

Hourly UV Index in Grant

The UV Index for the day showcases a dynamic rise and fall, peaking at a remarkable 11 around 1 PM. Early risers will note a gentle start with values of 1 at 7 AM, slowly increasing to 2 by 8 AM. As the sun continues its ascent, the index escalates rapidly, reaching 4 by 9 AM and 7 by 10 AM. The intensity peaks at 12 PM, hitting a stunning 10, and shortly after, the day's highest value of 11 at 1 PM. As the afternoon wanes, the UV levels begin to decline, dropping to 8 at 3 PM, and further decreasing to 3 by 5 PM, before settling back to a safe 1 by 6 PM and 7 PM. Pay attention to this pattern, as it highlights the hours when sun safety is crucial!

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	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	5	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 Grant

Throughout the year, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. The highest risk months are from May to August, when the UV Index peaks at an extreme level of 11, allowing for a burn time of just 10 minutes. Notably, March and April also present high risks with indices reaching 8 and 10, respectively. Conversely, the winter months of January and December have a moderate UV Index of 4, with longer burn times of 30 minutes. To protect yourself during high UV months, it is essential for both visitors and residents to apply sunscreen regularly, wear protective clothing, and seek shade during peak sun hours, particularly from late spring through summer.

Monthly Maximum UV Index for Grant, United States

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

The table above highlights how UV exposure in Grant 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.

Grant'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
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Grant	4	6	8	10	11	11	11	11	9	7	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5