UV Index in Madera, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Madera, United States, where the arid BSk climate can lead to significant sun exposure risks. With UV levels peaking at a formidable 11 during midday hours, being aware of these readings is essential for preventing sunburn and maintaining long-term skin health. By comprehending the fluctuations in UV intensity throughout the day, Madera locals can take proactive measures to protect themselves from harmful UV rays—ensuring their outdoor activities remain safe and enjoyable.

Hourly UV Index in Madera

The UV Index today showcases a steady climb as the sun rises, starting with a mild 1 at 07:00. By 10:00, it ramps up to 7, signaling a more intense sun exposure. The peak arrives at 12:00 and 13:00, with a striking 11, indicating a high risk of harm from unprotected sun exposure. As the afternoon wanes, the index gradually declines to 8 at 15:00 and further down to 2 by 18:00, creating a safer environment for evening activities. Overall, the day's UV pattern emphasizes the importance of sun protection during the midday hours, while reassuring a more manageable level of UV exposure later in the day.

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	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	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 Madera

The UV Index experiences significant seasonal variation, with the highest risks typically occurring from March to August. During this period, the UV Index peaks at 11, indicating an extreme exposure category in June and July, where the burn time is as short as 10 minutes. Conversely, the months of January, November, and December present a lower risk with a moderate UV Index of 3 to 5, allowing for burn times up to 30 minutes. It is crucial for both visitors and residents to monitor the UV Index regularly, especially during the high-risk months, and to take appropriate sun protection measures, such as wearing sunscreen, protective clothing, and seeking shade during peak hours to prevent skin damage.

Monthly Maximum UV Index for Madera, United States

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

The table above highlights how UV exposure in Madera 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.

Madera'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
Madera	3	5	8	9	10	11	11	10	9	7	5	3
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