UV Index in Cairo, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Cairo, United States, where the sunny climate often puts outdoor enthusiasts at risk for excessive UV exposure. With peak UV levels reaching a maximum of 11 around noon, it becomes essential to monitor these values to prevent sunburn and protect skin health. The typical Cfa climate signifies warm summers, enhancing the need for awareness of UV risks, especially during midday when sun protection is most necessary. By staying informed about the UV Index, you can enjoy the sun safely while minimizing the potential harm to your skin.

Hourly UV Index in Cairo

The UV Index today exhibits a significant peak between 12:00 PM and 2:00 PM, reaching a maximum of 11 at 1:00 PM, indicating an extreme risk of harm from unprotected sun exposure. The index begins at a low 1 in the early hours, gradually rising to 10 by noon. As the afternoon progresses, it maintains elevated levels, staying at 11 until 2:00 PM. Following this peak, the intensity starts to decline, dropping to 4 by 5:00 PM and further decreasing to 1 by 7:00 PM. It's crucial during midday hours to seek shade, wear protective clothing, and apply sunscreen to safeguard against the sun's harmful rays!

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	2	low	45 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	11	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 Cairo

The UV Index experiences notable seasonal changes, with high-risk months primarily occurring from February through August. During this period, the UV Index reaches its peak, consistently showing an extreme category of 11 for the summer months. In April, the UV Index escalates to 11, with a minimal burn time of just 10 minutes. Visitors and residents are advised to take precautionary measures, particularly from February to August, by wearing protective clothing, applying sunscreen, and seeking shade during peak hours to minimize skin damage. As the season transitions into September and October, the UV Index declines to 10 and 8, respectively, indicating a slightly lower risk, yet protective measures remain important. In the cooler months of November and December, the UV Index decreases further to 6 and 4, where the risk is manageable but still requires some attention to prevent overexposure.

Monthly Maximum UV Index for Cairo, United States

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

The table above highlights how UV exposure in Cairo 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.

Cairo'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
Cairo	5	8	9	11	11	11	11	11	10	8	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5