UV Index in Magnolia, United States

Last updated: July 2, 2025

In Magnolia, United States, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With the region’s Cfa climate, residents face varying levels of sun exposure throughout the day, peaking at a UV Index of 12 around 1 PM. Understanding these UV levels helps you take proactive measures, ensuring you protect your skin from harmful ultraviolet radiation. As you enjoy the sunny days in Magnolia, keep an eye on the UV Index to bask safely while minimizing risks associated with high UV exposure.

Hourly UV Index in Magnolia

The day begins gently with a UV Index of 1 at both 07:00 and 08:00, indicating minimal sun exposure. However, as the clock strikes 09:00, the index rises to 3, signifying a gradual increase in UV intensity. By 10:00, it reaches 5, and the sun takes center stage at 11:00 with a striking 8. The peak arrives at 12:00, soaring to an impressive 10, and continues to climb, hitting its pinnacle with a dazzling 12 at 13:00. As the afternoon unfolds, values begin a slow descent: 11 at 14:00, 10 at 15:00, and then dropping to 7 by 16:00. The evening brings relief, with the index tapering down to 4 at 17:00, 2 at 18:00, and finally returning to a safe 1 by 19:00. Remember to stay protected during those 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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	10	very high	15 min
16:00	7	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 Magnolia

The UV Index demonstrates significant seasonal variations, with pronounced increases from late winter into summer. February through August represent the highest risk months, particularly from April to July, when the UV Index reaches its peak at 12 and falls into the extreme exposure category. During these months, the recommended burn time is as short as 10 minutes, necessitating vigilant sun protection strategies. Residents and visitors are advised to wear broad-spectrum sunscreen, hats, and protective clothing, and to seek shade during peak sun hours, particularly between 10 AM and 4 PM. As the fall approaches, the UV Index gradually decreases, with November and December offering more moderate levels, allowing for safer outdoor activities.

Monthly Maximum UV Index for Magnolia, United States

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

The table above highlights how UV exposure in Magnolia 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.

Magnolia'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
Magnolia	5	8	9	11	11	11	12	11	10	8	6	5
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5